# Level Measurement **URL:** https://forumautomation.com/c/field-instrumentation/level-measurement/38.md [Latest](https://forumautomation.com/latest.md) · [Categories](https://forumautomation.com/categories.md) · [Tags](https://forumautomation.com/tags.md) --- ## [Automatic tank gauging / Level measurement of tank](https://forumautomation.com/t/automatic-tank-gauging-level-measurement-of-tank/7729)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 1\ **Last updated:** [September 2, 2020, 7:16am UTC](https://forumautomation.com/t/automatic-tank-gauging-level-measurement-of-tank/7729 "2020-09-02T07:16:35Z")
What is Tank gauging? Tank gauging is the estimation of liquids in large storage tanks for the purpose of quantifying the fluid volume and density in the tanks. What is Automatic Tank Gauging? An automatic tank gage (AT… --- ## [Resistance level detectors - Working principle](https://forumautomation.com/t/resistance-level-detectors-working-principle/2409)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [October 8, 2017, 6:26pm UTC](https://forumautomation.com/t/resistance-level-detectors-working-principle/2409 "2017-10-08T18:26:30Z")
Resistance Level Detectors detects level changes by the change in resistance of a partially submerged electrical element. Construction of Resistance Level Detectors The electrical sensing element consist of a precisio… --- ## [What is a magnetic sensor and types of magnetic sensor](https://forumautomation.com/t/what-is-a-magnetic-sensor-and-types-of-magnetic-sensor/7168)
**Author:** [@ashlin](https://forumautomation.com/u/ashlin)\ **Replies:** 2\ **Last updated:** [September 16, 2020, 9:32am UTC](https://forumautomation.com/t/what-is-a-magnetic-sensor-and-types-of-magnetic-sensor/7168 "2020-09-16T09:32:48Z")
What is a magnetic sensor A magnetic sensor is a device which is capable of sensing the magnetic field and extracting information from it and the information is related to the magnetic induction along an axis which is t… --- ## [Basics of Level Measurement - Working Principle and Types of Level Measurement](https://forumautomation.com/t/basics-of-level-measurement-working-principle-and-types-of-level-measurement/495)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 2\ **Last updated:** [March 1, 2024, 4:34am UTC](https://forumautomation.com/t/basics-of-level-measurement-working-principle-and-types-of-level-measurement/495 "2024-03-01T04:34:35Z")
What is Level Measurement? Level measurement is a single dimension from a reference point. As shown tank level is measured, either by Inage method or Outage method. Each Manufacturer has a different Instruction Set. … --- ## [What is a bubbler level gauge?](https://forumautomation.com/t/what-is-a-bubbler-level-gauge/2503)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [October 23, 2017, 8:24pm UTC](https://forumautomation.com/t/what-is-a-bubbler-level-gauge/2503 "2017-10-23T20:24:21Z")
In a Bubbler level gauge, a bubbler tube is used to measure and indicate level. Air is forced to send through the bubbler tube. The bubbles come out of the bottom of the liquid level. The greater the height of the li… --- ## [How to measure level using Load cell? | Open tank level measurement](https://forumautomation.com/t/how-to-measure-level-using-load-cell-open-tank-level-measurement/2539)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [October 30, 2017, 7:12pm UTC](https://forumautomation.com/t/how-to-measure-level-using-load-cell-open-tank-level-measurement/2539 "2017-10-30T19:12:18Z")
Load cell For measure level of an open tank, load cells can be used. While we use DP transmitter for the pressure measurement of an open tank, the LP line should vent to atmosphere. So that the atmosphere change c… --- ## [What is Servo gauge system? How deos a servo gauge system works?](https://forumautomation.com/t/what-is-servo-gauge-system-how-deos-a-servo-gauge-system-works/7180)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [September 23, 2019, 12:15pm UTC](https://forumautomation.com/t/what-is-servo-gauge-system-how-deos-a-servo-gauge-system-works/7180 "2019-09-23T12:15:26Z")
What is a Servo gauge? Servo gauge system is used to measure the liquid level in large storage tanks. There are many tools and systems available that can provide a mix of measurements that will enable precise quantity e… --- ## [What is LRV and URV ? How to obtain LRV & URV for Level measurment using Differential pressure transmitter?](https://forumautomation.com/t/what-is-lrv-and-urv-how-to-obtain-lrv-urv-for-level-measurment-using-differential-pressure-transmitter/2396)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [October 6, 2017, 7:04pm UTC](https://forumautomation.com/t/what-is-lrv-and-urv-how-to-obtain-lrv-urv-for-level-measurment-using-differential-pressure-transmitter/2396 "2017-10-06T19:04:30Z")
LRV or lower range value and URV or upper range value are the two important values we should care, while measuring level using differential pressure transmitter Case 1: Here in the above diagram the differential le… --- ## [Level Measurement DP type erratic behavior](https://forumautomation.com/t/level-measurement-dp-type-erratic-behavior/1578)
**Author:** [@Cheetha](https://forumautomation.com/u/Cheetha)\ **Replies:** 7\ **Last updated:** [January 15, 2017, 10:34pm UTC](https://forumautomation.com/t/level-measurement-dp-type-erratic-behavior/1578 "2017-01-15T22:34:08Z")
Hi, We are using diaphragm type Differential Pressure transmitters for level measurement of different vessels. Each vessel consists of two transmitters one with PLC loop (HIMA with current isolator card CS4/420) {let nam… --- ## [Working of Leveltrol](https://forumautomation.com/t/working-of-leveltrol/60)
**Author:** [@instrumen](https://forumautomation.com/u/instrumen)\ **Replies:** 0\ **Last updated:** [October 2, 2014, 5:44pm UTC](https://forumautomation.com/t/working-of-leveltrol/60 "2014-10-02T17:44:09Z")
A Leveltrol in and instrument used for measuring the liquid level between two known points. The Leveltrol works on the buoyancy principal. Leveltrol has a float, which submerses proportionately with liquid level raise in… --- ## [How to measure liquid- liquid interface level?](https://forumautomation.com/t/how-to-measure-liquid-liquid-interface-level/2865)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 1\ **Last updated:** [July 9, 2019, 8:49pm UTC](https://forumautomation.com/t/how-to-measure-liquid-liquid-interface-level/2865 "2019-07-09T20:49:46Z")
Sometimes two different liquids having different density have to fill in a tank for mixing. Therefore it will be two levels that have to be measured one above another. Which is important the ratio of the liquids in the v… --- ## [Working of conductive level switches](https://forumautomation.com/t/working-of-conductive-level-switches/2750)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [November 30, 2017, 8:01pm UTC](https://forumautomation.com/t/working-of-conductive-level-switches/2750 "2017-11-30T20:01:45Z")
This type of switch, of course, only works with granular solids and liquids that are electrically conductive (e.g. potable or dirty water, acids, caustics, food liquids, coal, metal powders) and not with nonconducting ma… --- ## [How is Radar level technology useful?](https://forumautomation.com/t/how-is-radar-level-technology-useful/4770)
**Author:** [@rajeena](https://forumautomation.com/u/rajeena)\ **Replies:** 0\ **Last updated:** [September 27, 2018, 4:17pm UTC](https://forumautomation.com/t/how-is-radar-level-technology-useful/4770 "2018-09-27T16:17:53Z")
How is Radar level technology useful? How do you know if the radar is the right technology for your tank? In order to know how radar benefits we must know about radar technology. Radar technology has become so popular … --- ## [Level Measurement : What is bubbler system ? Advantages and Disadvantages](https://forumautomation.com/t/level-measurement-what-is-bubbler-system-advantages-and-disadvantages/352)
**Author:** [@automate](https://forumautomation.com/u/automate)\ **Replies:** 1\ **Last updated:** [March 31, 2017, 3:50am UTC](https://forumautomation.com/t/level-measurement-what-is-bubbler-system-advantages-and-disadvantages/352 "2017-03-31T03:50:42Z")
Bubblers are often used when the application requires that the process not contact the measurement device Advantages of Bubbler System Enable the DP transmitter to be a top-down measurement device, which eliminates dir… --- ## [How level is measured using Differential pressure transmitter?](https://forumautomation.com/t/how-level-is-measured-using-differential-pressure-transmitter/2392)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [October 5, 2017, 8:08pm UTC](https://forumautomation.com/t/how-level-is-measured-using-differential-pressure-transmitter/2392 "2017-10-05T20:08:14Z")
The phenomenon behind level measurement using differential pressure transmitter is hydrostatic paradox. Regardless the shape and volume of a vessel, the hydrostatic pressure at a measuring point of a vessel or tank is pr… --- ## [How displacer level gauge works?](https://forumautomation.com/t/how-displacer-level-gauge-works/2588)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [November 5, 2017, 8:58pm UTC](https://forumautomation.com/t/how-displacer-level-gauge-works/2588 "2017-11-05T20:58:07Z")
Displacer Level Gauge One kind of level gauge uses buoyant force to measure liquid level on a nearly stationary object called a displacer. It is called displacer because its purpose is to displace liquid.A force measur… --- ## [Capacitance level Measurement - Application Advantages and Disadvanateges](https://forumautomation.com/t/capacitance-level-measurement-application-advantages-and-disadvanateges/416)
**Author:** [@automate](https://forumautomation.com/u/automate)\ **Replies:** 0\ **Last updated:** [May 3, 2015, 6:55pm UTC](https://forumautomation.com/t/capacitance-level-measurement-application-advantages-and-disadvanateges/416 "2015-05-03T18:55:59Z")
Capacitive level sensing Concept of capacitance - A capacitor is formed by two electrodes electrically insulated from each other the electrodes themselves must be conductive and typically made from metal.They can be any… --- ## [Level measurement using ultrasonic method](https://forumautomation.com/t/level-measurement-using-ultrasonic-method/2455)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 1\ **Last updated:** [September 7, 2018, 10:54am UTC](https://forumautomation.com/t/level-measurement-using-ultrasonic-method/2455 "2018-09-07T10:54:56Z")
Ultrasonic level detectors use the principle of reflection of an acoustic wave from liquid to vapour phase and vapour to liquid phase. fig: A Ultrasonic level measurement work as similar to the working of sonar. An ult… --- ## [Principle of nuclear level measurement](https://forumautomation.com/t/principle-of-nuclear-level-measurement/2827)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [December 16, 2017, 6:10pm UTC](https://forumautomation.com/t/principle-of-nuclear-level-measurement/2827 "2017-12-16T18:10:50Z")
The nuclear level measurement technique is used to measure the level of fluid or solid in a closed tank using Gamma rays. The nuclear level measurement technique can be used for both continuous and point level measureme… --- ## [Level Measurement - How to fill a remote seal (Capillary )](https://forumautomation.com/t/level-measurement-how-to-fill-a-remote-seal-capillary/1871)
**Author:** [@shah](https://forumautomation.com/u/shah)\ **Replies:** 4\ **Last updated:** [March 30, 2017, 5:08am UTC](https://forumautomation.com/t/level-measurement-how-to-fill-a-remote-seal-capillary/1871 "2017-03-30T05:08:52Z")
DP remote seal Level Transmitter Capillary was broken. After installing new Seal with Capillary Transmitter did not give accurate measurement. can any body help me --- ## [What is Tank Gauging? Functions of a Tank gauging system:](https://forumautomation.com/t/what-is-tank-gauging-functions-of-a-tank-gauging-system/7173)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [September 22, 2019, 11:14am UTC](https://forumautomation.com/t/what-is-tank-gauging-functions-of-a-tank-gauging-system/7173 "2019-09-22T11:14:33Z")
What is tank gauging? Tank gauging system is used to measure the level of large tank in order to quantify the product quantity and mass in the tanks. There are various methods to measure the liquid level and other l… --- ## [What is Beam Angle of a Radar Level Transmitter?](https://forumautomation.com/t/what-is-beam-angle-of-a-radar-level-transmitter/11963)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 2\ **Last updated:** [September 13, 2024, 1:51pm UTC](https://forumautomation.com/t/what-is-beam-angle-of-a-radar-level-transmitter/11963 "2024-09-13T13:51:48Z")
What is Beam Angle of a Radar Level Transmitter? --- ## [Diaphragm box and air trapped diaphragm box level measurement](https://forumautomation.com/t/diaphragm-box-and-air-trapped-diaphragm-box-level-measurement/3855)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [June 13, 2018, 7:09am UTC](https://forumautomation.com/t/diaphragm-box-and-air-trapped-diaphragm-box-level-measurement/3855 "2018-06-13T07:09:30Z")
Diaphragm box method is an open tank level measurement technique. The diaphragm is a hydrostatic instrument. The hydrostatic theory says, when a pressure greater than atmospheric is imposed on the surface of a liquid in… --- ## [What are the advantages and Disadvantages of Guided wave radar level transmitter?](https://forumautomation.com/t/what-are-the-advantages-and-disadvantages-of-guided-wave-radar-level-transmitter/699)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [December 30, 2015, 2:22am UTC](https://forumautomation.com/t/what-are-the-advantages-and-disadvantages-of-guided-wave-radar-level-transmitter/699 "2015-12-30T02:22:51Z")
Advantages of Guided Wave Radar Level transmitter Application with density variation,pressure and temperature fluctuation.Long ranges with narrow setting.Interface measurement independent of density Advantages - 1.Long… --- ## [Capacitive level measurement](https://forumautomation.com/t/capacitive-level-measurement/2859)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [December 21, 2017, 8:45pm UTC](https://forumautomation.com/t/capacitive-level-measurement/2859 "2017-12-21T20:45:45Z")
Principle: Capacitive level instrument uses the principle of capacitance equation C - capacitance E - Permittivity of dielectric material between plates. A - overlapping area of plates d - Distance between plates C… --- ## [How Fuel level is measured in aircraft?](https://forumautomation.com/t/how-fuel-level-is-measured-in-aircraft/10020)
**Author:** [@Ajmal\_ismail](https://forumautomation.com/u/Ajmal_ismail)\ **Replies:** 0\ **Last updated:** [November 29, 2021, 5:15am UTC](https://forumautomation.com/t/how-fuel-level-is-measured-in-aircraft/10020 "2021-11-29T05:15:21Z")
What is level measurement? Level measurement is a measurement of fluid level. In a process, level measurement is highly crucial and by doing so, we can ensure that the process is handled in a controlled manner safely. … --- ## [Level measurement using Guided Wave Radar](https://forumautomation.com/t/level-measurement-using-guided-wave-radar/2820)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [December 15, 2017, 3:21pm UTC](https://forumautomation.com/t/level-measurement-using-guided-wave-radar/2820 "2017-12-15T15:21:02Z")
Guided Wave Radar(GWR) is a contacting type continuous level measurement instrument. Also called Time Domain Reflectometry (TDR). A Guided Wave Radar consists of a probe with a full length of the tank and the transmitter… --- ## [Different types of Float level switches](https://forumautomation.com/t/different-types-of-float-level-switches/7388)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [November 5, 2019, 4:24pm UTC](https://forumautomation.com/t/different-types-of-float-level-switches/7388 "2019-11-05T16:24:23Z")
What are float level switches? Float level switches are sensors that are used inside a tank to detect the level of liquid reaches the preset setpoint. There are different types of float switches available in the market … --- ## [Level control valve - delay in opening from closed position. How to solve?](https://forumautomation.com/t/level-control-valve-delay-in-opening-from-closed-position-how-to-solve/8710)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 3\ **Last updated:** [October 26, 2020, 4:59pm UTC](https://forumautomation.com/t/level-control-valve-delay-in-opening-from-closed-position-how-to-solve/8710 "2020-10-26T16:59:55Z")
LCV. Air off to open. Feed back & positions all good. From closed position delay in opening/travel start causing us issues. --- ## [How will a differential pressure transmitter work as a level transmitter in a pressurized vessel?](https://forumautomation.com/t/how-will-a-differential-pressure-transmitter-work-as-a-level-transmitter-in-a-pressurized-vessel/11952)
**Author:** [@Sundar\_Iyalunaidu](https://forumautomation.com/u/Sundar_Iyalunaidu)\ **Replies:** 1\ **Last updated:** [April 12, 2024, 7:30am UTC](https://forumautomation.com/t/how-will-a-differential-pressure-transmitter-work-as-a-level-transmitter-in-a-pressurized-vessel/11952 "2024-04-12T07:30:15Z")
How will a differential pressure transmitter work as a level transmitter in a pressurized vessel? --- ## [How to select Level Measuring technology?](https://forumautomation.com/t/how-to-select-level-measuring-technology/882)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [March 20, 2016, 5:39pm UTC](https://forumautomation.com/t/how-to-select-level-measuring-technology/882 "2016-03-20T17:39:01Z")
Level Measurement Technology Two Groups of Level Measurement - 1.Point Measurement (Discrete) 2. Continuous Measurement (Analog) Common Types of Level Measurement Technologies 1.Plumb Bob This is one of the oldest le… --- ## [Magnetostrictive level measurement technique](https://forumautomation.com/t/magnetostrictive-level-measurement-technique/2857)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [December 21, 2017, 5:52pm UTC](https://forumautomation.com/t/magnetostrictive-level-measurement-technique/2857 "2017-12-21T17:52:15Z")
A Magnetostrictive level equipment measures the level by measuring the time of flight of a wave between the instrument and the material interface. But it does not work like ultrasonic or radar level measuring techniques. … --- ## [What steps should be taken if a DP (Differential Pressure) type level transmitter in our plant consistently displays high readings?](https://forumautomation.com/t/what-steps-should-be-taken-if-a-dp-differential-pressure-type-level-transmitter-in-our-plant-consistently-displays-high-readings/11936)
**Author:** [@Sundar\_Iyalunaidu](https://forumautomation.com/u/Sundar_Iyalunaidu)\ **Replies:** 1\ **Last updated:** [April 6, 2024, 12:43pm UTC](https://forumautomation.com/t/what-steps-should-be-taken-if-a-dp-differential-pressure-type-level-transmitter-in-our-plant-consistently-displays-high-readings/11936 "2024-04-06T12:43:23Z")
What steps should be taken if a DP (Differential Pressure) type level transmitter in our plant consistently displays high readings?" --- ## [Problem with DP type Level Transmitter](https://forumautomation.com/t/problem-with-dp-type-level-transmitter/284)
**Author:** [@AKSHAY](https://forumautomation.com/u/AKSHAY)\ **Replies:** 2\ **Last updated:** [February 27, 2015, 3:29am UTC](https://forumautomation.com/t/problem-with-dp-type-level-transmitter/284 "2015-02-27T03:29:36Z")
my dp type LT is showing 100% but there is no material in tank what to do --- ## [Use of a DP (differential pressure) transmitter for level measurement](https://forumautomation.com/t/use-of-a-dp-differential-pressure-transmitter-for-level-measurement/67)
**Author:** [@instrumen](https://forumautomation.com/u/instrumen)\ **Replies:** 1\ **Last updated:** [March 31, 2017, 3:58am UTC](https://forumautomation.com/t/use-of-a-dp-differential-pressure-transmitter-for-level-measurement/67 "2017-03-31T03:58:39Z")
A differential pressure transmitter gives a linear output for the differential pressure measured across its HP and LP chambers. Connect the transmitter’s HP leg to the bottom of the tank and its LP leg to the top of the … --- ## [What are float type level switches?](https://forumautomation.com/t/what-are-float-type-level-switches/2601)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [November 7, 2017, 8:30pm UTC](https://forumautomation.com/t/what-are-float-type-level-switches/2601 "2017-11-07T20:30:47Z")
Level switches are used to detect the level of fluid in a tank. A level switch uses a float to operate a switch to shut down filling pumps in an emergency. A float type level switch work based on the Archimedes princip… --- ## [What are the limitations of different types of Level transmitters?](https://forumautomation.com/t/what-are-the-limitations-of-different-types-of-level-transmitters/697)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [December 29, 2015, 4:57am UTC](https://forumautomation.com/t/what-are-the-limitations-of-different-types-of-level-transmitters/697 "2015-12-29T04:57:34Z")
Limitations of different type of level transmitters Differential pressure/Diaphragm seals Transmitter measure pressure at the bottom of tank and converts that pressure to a level reading. Limitations - 1.Assumes a spe… --- ## [Float and Cable level measurement - Application Advantages and Disadvantages](https://forumautomation.com/t/float-and-cable-level-measurement-application-advantages-and-disadvantages/428)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [May 19, 2015, 4:36am UTC](https://forumautomation.com/t/float-and-cable-level-measurement-application-advantages-and-disadvantages/428 "2015-05-19T04:36:00Z")
A float and cable or float and tape instrument measures liquid level by transmitting to a mechanism the rise and fall of a float that rides on the surface of the liquid. Application : Used primarily in open tanks wherea… --- ## [What range is given in the level transmitter of a 10-meter tank?](https://forumautomation.com/t/what-range-is-given-in-the-level-transmitter-of-a-10-meter-tank/11940)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [April 9, 2024, 1:40pm UTC](https://forumautomation.com/t/what-range-is-given-in-the-level-transmitter-of-a-10-meter-tank/11940 "2024-04-09T13:40:53Z")
What range is given in the level transmitter of a 10-meter tank? --- ## [Zero suppression and Zero elevation in level measurement](https://forumautomation.com/t/zero-suppression-and-zero-elevation-in-level-measurement/62)
**Author:** [@instrumen](https://forumautomation.com/u/instrumen)\ **Replies:** 0\ **Last updated:** [October 2, 2014, 5:47pm UTC](https://forumautomation.com/t/zero-suppression-and-zero-elevation-in-level-measurement/62 "2014-10-02T17:47:27Z")
Zero suppression: when a static head transmitter is installed below the zero liquid level, the transmitter gets a +ve error in the level measurement. This error is corrected by a zero suppression kit. Zero elevation: w… --- ## [Simple Sight Glasses and Gauging Rod level indicators](https://forumautomation.com/t/simple-sight-glasses-and-gauging-rod-level-indicators/3298)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [March 16, 2018, 5:24pm UTC](https://forumautomation.com/t/simple-sight-glasses-and-gauging-rod-level-indicators/3298 "2018-03-16T17:24:30Z")
Simple sight Glasses: A visual indication of the level can be obtained when part of the container is constructed with transparent material or the liquid in a container is dripped through a transparent tube. The advanta… --- ## [Radar Level Transmitter Showing False High Level During Heavy Rain](https://forumautomation.com/t/radar-level-transmitter-showing-false-high-level-during-heavy-rain/14204)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [June 27, 2026, 5:05am UTC](https://forumautomation.com/t/radar-level-transmitter-showing-false-high-level-during-heavy-rain/14204 "2026-06-27T05:05:44Z")
Radar Level Transmitter Showing False High Level During Heavy Rain I’m facing a strange issue with an 80 GHz radar level transmitter installed on a diesel storage tank. During heavy rain, the level suddenly jumps fro… --- ## [What are the criteria for selecting level measurement instruments?](https://forumautomation.com/t/what-are-the-criteria-for-selecting-level-measurement-instruments/883)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [March 20, 2016, 5:52pm UTC](https://forumautomation.com/t/what-are-the-criteria-for-selecting-level-measurement-instruments/883 "2016-03-20T17:52:05Z")
How to select a level measurement instrument which fits for your application. Consider the following things 1.What is the material to measure 2.Contacting or non-contacting measurement required 3.What are the temperatu… --- ## [Comparison between Ultrasonic and Guided wave level control](https://forumautomation.com/t/comparison-between-ultrasonic-and-guided-wave-level-control/2838)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [December 18, 2017, 8:07pm UTC](https://forumautomation.com/t/comparison-between-ultrasonic-and-guided-wave-level-control/2838 "2017-12-18T20:07:07Z")
Ultrasonic level measurement and Guided wave level measurement technologies are two popular level-measurement technologies used in industries to measure the level of liquid stored in tanks. Let’s check-out the differenc… --- ## [Ultrasonic Level Measurement - Beam Width](https://forumautomation.com/t/ultrasonic-level-measurement-beam-width/415)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [May 3, 2015, 7:20am UTC](https://forumautomation.com/t/ultrasonic-level-measurement-beam-width/415 "2015-05-03T07:20:48Z")
Working principle of Ultrasonic level measurement - Beam width type What is beam width? It essential to understand some important properties of sound. Sound travels from a source and its focused in a certain directi… --- ## [What are the disadvantages of radar type level transmitter?](https://forumautomation.com/t/what-are-the-disadvantages-of-radar-type-level-transmitter/11506)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 0\ **Last updated:** [October 5, 2023, 2:24pm UTC](https://forumautomation.com/t/what-are-the-disadvantages-of-radar-type-level-transmitter/11506 "2023-10-05T14:24:47Z")
Radar level transmitters are frequently utilised in industrial applications due to their ability to offer accurate and dependable level measurements. However, as with any technology, they have drawbacks and restrictions… --- ## [Tilt level switches](https://forumautomation.com/t/tilt-level-switches/5977)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [February 23, 2019, 2:33pm UTC](https://forumautomation.com/t/tilt-level-switches/5977 "2019-02-23T14:33:04Z")
Tilt switch: Tilt level switches are used to measure the level of solid and bulk materials. The units can be used as indicators of high levels to eliminate bin overflow or control levels in open piles. The tilt switches… --- ## [What is Hydra Step Drum Level Indicator?](https://forumautomation.com/t/what-is-hydra-step-drum-level-indicator/13369)
**Author:** [@Instrument\_Engineer](https://forumautomation.com/u/Instrument_Engineer)\ **Replies:** 1\ **Last updated:** [July 26, 2025, 6:22am UTC](https://forumautomation.com/t/what-is-hydra-step-drum-level-indicator/13369 "2025-07-26T06:22:42Z")
What is Hydra Step Drum Level Indicator ? --- ## [Instrumentation : Selection of level instrument](https://forumautomation.com/t/instrumentation-selection-of-level-instrument/369)
**Author:** [@denizen](https://forumautomation.com/u/denizen)\ **Replies:** 0\ **Last updated:** [March 29, 2015, 6:58am UTC](https://forumautomation.com/t/instrumentation-selection-of-level-instrument/369 "2015-03-29T06:58:37Z")
How to select level instrument for measurements . Type of the content : Liquid / Solid / Slurry / Powder Continuous Level measurement / Discrete Level Measurement Operating temperature and pressure Range Accuracy of lev… --- ## [Thermal level switch for level measurement](https://forumautomation.com/t/thermal-level-switch-for-level-measurement/7596)
**Author:** [@sivaranjith](https://forumautomation.com/u/sivaranjith)\ **Replies:** 0\ **Last updated:** [December 23, 2019, 7:40pm UTC](https://forumautomation.com/t/thermal-level-switch-for-level-measurement/7596 "2019-12-23T19:40:08Z")
Thermal level switches are special kinds of level switch used for a special purpose which is used where usual level switches can’t work. Thermal level switches either sense the difference between vapour space and liquid… [Next page](https://forumautomation.com/c/field-instrumentation/level-measurement/38.md?page=1&per_page=50)