Global Water WL400 Vented Water Level Sensor

Global Water's WL400 Water Level Sensor provides highly accurate water level measurements with 4-20mA output for a wide variety of applications.

Features

  • Monitor levels in groundwater wells, rivers, streams, tanks, lift stations and open channels
  • Dynamic temperature compensation system for high accuracy and reliability
  • Vented pressure sensor for automatic barometric pressure compensation
List Price $936.00
Starting At $889.20
Stock Check Availability  
Global Water's WL400 Water Level Sensor provides highly accurate water level measurement for a wide variety of applications, including those in severe environments. The submersible pressure transducers have a dynamic temperature compensation system, enabling high accuracy measurements over a wide temperature range. The water level sensor is easily adapted to all dataloggers, telemetry, monitoring equipment, and displays.

Each of the water level sensors consist of a solid state submersible pressure transducer encapsulated in a stainless steel 13/16 inch diameter housing. The water level sensor has a molded waterproof cable and a two-wire 4-20mA output for connection to a monitoring device. A 25 ft cable is standard, and optional cable lengths are available up to 500 ft.

The Water Level Sensor's submersible pressure transducer is fully encapsulated with marine-grade epoxy so that moisture can never leak in or work its way down the vent tube to cause drift or level sensor failure. The sensor uses a unique, highly flexible silicon diaphragm to interface between water and the sensing element. This silicon diaphragm protects the water level sensor's electronics from moisture and provides each sensor with exceptional linearity and very low hysteresis.

Water level ranges of 0-3, 0-15, 0-30, 0-60, 0-120, and 0-250 feet are available. The 0-3 ft low-level range is ideal for measuring shallow flows or small water level changes like those encountered in sewers, storm drains, weirs, and flumes. The 0-3 ft water monitoring sensor accurately measures small changes in water, even when the water's depth is only a few inches deep.
Questions & Answers
Is this sensor difficult to maintain?
No, but standard care and calibration methods are suggested. The screen on the end of the sensor should be periodically checked for clogging from mud, sludge, and other debris. If it is fouled, wash the screen with clean water and/or scrub it gently with a toothbrush. Do not insert objects through the screen, as this may cause damage to the sensor. Global Water recommends verifying the sensor's calibration with a sounder or other measuring device once every 6 months
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Part #
Description
Price
Stock
Quantity
Global Water WL400 Vented Water Level Sensor
400738-3
WL400 vented water level & temperature sensor, 0-3 ft. range, 3 ft. cable
Your Price $889.20
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Global Water WL400 Water Level Sensor
400738-25
WL400 vented water level & temperature sensor, 0-3 ft. range, 25 ft. cable
$926.25
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Global Water WL400 Water Level Sensor
400738-50
WL400 vented water level & temperature sensor, 0-3 ft. range, 50 ft. cable
$1,021.25
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Global Water WL400 Water Level Sensor
400738-75
WL400 vented water level & temperature sensor, 0-3 ft. range, 75 ft. cable
$1,211.25
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Global Water WL400 Water Level Sensor
400738-100
WL400 vented water level & temperature sensor, 0-3 ft. range, 100 ft. cable
$1,330.00
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Global Water WL400 Water Level Sensor
400738-125
WL400 vented water level & temperature sensor, 0-3 ft. range, 125 ft. cable
$1,425.00
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Global Water WL400 Water Level Sensor
400738-150
WL400 vented water level & temperature sensor, 0-3 ft. range, 150 ft. cable
$1,520.00
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Global Water WL400 Water Level Sensor
400738-200
WL400 vented water level & temperature sensor, 0-3 ft. range, 200 ft. cable
$1,710.00
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Global Water WL400 Water Level Sensor
400740-25
WL400 vented water level & temperature sensor, 0-15 ft. range, 25 ft. cable
$926.25
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Global Water WL400 Water Level Sensor
400740-50
WL400 vented water level & temperature sensor, 0-15 ft. range, 50 ft. cable
$1,021.25
Check Availability  
Global Water WL400 Water Level Sensor
400740-75
WL400 vented water level & temperature sensor, 0-15 ft. range, 75 ft. cable
$1,211.25
Check Availability  
Global Water WL400 Water Level Sensor
400740-100
WL400 vented water level & temperature sensor, 0-15 ft. range, 100 ft. cable
$1,330.00
Check Availability  
Global Water WL400 Water Level Sensor
400740-125
WL400 vented water level & temperature sensor, 0-15 ft. range, 125 ft. cable
$1,425.00
Check Availability  
Global Water WL400 Water Level Sensor
400740-150
WL400 vented water level & temperature sensor, 0-15 ft. range, 150 ft. cable
$1,520.00
Check Availability  
Global Water WL400 Water Level Sensor
400740-200
WL400 vented water level & temperature sensor, 0-15 ft. range, 200 ft. cable
$1,710.00
Check Availability  
Global Water WL400 Water Level Sensor
400740-300
WL400 vented water level & temperature sensor, 0-15 ft. range, 300 ft. cable
$2,090.00
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Global Water WL400 Water Level Sensor
400740-500
WL400 vented water level & temperature sensor, 0-15 ft. range, 500 ft. cable
$2,660.00
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Global Water WL400 Water Level Sensor
400742-25
WL400 vented water level & temperature sensor, 0-30 ft. range, 25 ft. cable
$926.25
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Global Water WL400 Water Level Sensor
400742-50
WL400 vented water level & temperature sensor, 0-30 ft. range, 50 ft. cable
$1,021.25
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Global Water WL400 Water Level Sensor
400742-75
WL400 vented water level & temperature sensor, 0-30 ft. range, 75 ft. cable
$1,211.25
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Global Water WL400 Water Level Sensor
400742-100
WL400 vented water level & temperature sensor, 0-30 ft. range, 100 ft. cable
$1,330.00
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Global Water WL400 Water Level Sensor
400742-125
WL400 vented water level & temperature sensor, 0-30 ft. range, 125 ft. cable
$1,425.00
Check Availability  
Global Water WL400 Water Level Sensor
400742-150
WL400 vented water level & temperature sensor, 0-30 ft. range, 150 ft. cable
$1,520.00
Check Availability  
Global Water WL400 Water Level Sensor
400742-200
WL400 vented water level & temperature sensor, 0-30 ft. range, 200 ft. cable
$1,710.00
Check Availability  
Global Water WL400 Water Level Sensor
400742-300
WL400 vented water level & temperature sensor, 0-30 ft. range, 300 ft. cable
$2,090.00
Check Availability  
Global Water WL400 Water Level Sensor
400742-500
WL400 vented water level & temperature sensor, 0-30 ft. range, 500 ft. cable
$2,660.00
Check Availability  
Global Water WL400 Water Level Sensor
400744-75
WL400 vented water level & temperature sensor, 0-60 ft. range, 75 ft. cable
$1,211.25
Check Availability  
Global Water WL400 Water Level Sensor
400744-100
WL400 vented water level & temperature sensor, 0-60 ft. range, 100 ft. cable
$1,330.00
Check Availability  
Global Water WL400 Water Level Sensor
400744-125
WL400 vented water level & temperature sensor, 0-60 ft. range, 125 ft. cable
$1,425.00
Check Availability  
Global Water WL400 Water Level Sensor
400744-150
WL400 vented water level & temperature sensor, 0-60 ft. range, 150 ft. cable
$1,520.00
Check Availability  
Global Water WL400 Water Level Sensor
400744-200
WL400 vented water level & temperature sensor, 0-60 ft. range, 200 ft. cable
$1,710.00
Check Availability  
Global Water WL400 Water Level Sensor
400744-300
WL400 vented water level & temperature sensor, 0-60 ft. range, 300 ft. cable
$2,090.00
Check Availability  
Global Water WL400 Water Level Sensor
400744-500
WL400 vented water level & temperature sensor, 0-60 ft. range, 500 ft. cable
$2,660.00
Check Availability  
Global Water WL400 Water Level Sensor
400746-125
WL400 vented water level & temperature sensor, 0-120 ft. range, 125 ft. cable
$1,425.00
Check Availability  
Global Water WL400 Water Level Sensor
400746-150
WL400 vented water level & temperature sensor, 0-120 ft. range, 150 ft. cable
$1,520.00
Check Availability  
Global Water WL400 Water Level Sensor
400746-200
WL400 vented water level & temperature sensor, 0-120 ft. range, 200 ft. cable
$1,710.00
Check Availability  
Global Water WL400 Water Level Sensor
400746-250
WL400 vented water level & temperature sensor, 0-120 ft. range, 250 ft. cable
$1,900.00
Check Availability  
Global Water WL400 Water Level Sensor
400746-300
WL400 vented water level & temperature sensor, 0-120 ft. range, 300 ft. cable
$2,090.00
Check Availability  
Global Water WL400 Water Level Sensor
400746-350
WL400 vented water level & temperature sensor, 0-120 ft. range, 350 ft. cable
$2,280.00
Check Availability  
Global Water WL400 Water Level Sensor
400746-400
WL400 vented water level & temperature sensor, 0-120 ft. range, 400 ft. cable
$2,470.00
Check Availability  
Global Water WL400 Water Level Sensor
400746-500
WL400 vented water level & temperature sensor, 0-120 ft. range, 500 ft. cable
$2,660.00
Check Availability  
Global Water WL400 Water Level Sensor
400748-250
WL400 vented water level & temperature sensor, 0-250 ft. range, 250 ft. cable
$1,900.00
Check Availability  
Global Water WL400 Water Level Sensor
400748-300
WL400 vented water level & temperature sensor, 0-250 ft. range, 300 ft. cable
$2,090.00
Check Availability  
Global Water WL400 Water Level Sensor
400748-350
WL400 vented water level & temperature sensor, 0-250 ft. range, 350 ft. cable
$2,280.00
Check Availability  
Global Water WL400 Water Level Sensor
400748-400
WL400 vented water level & temperature sensor, 0-250 ft. range, 400 ft. cable
$2,470.00
Check Availability  
Global Water WL400 Water Level Sensor
400748-500
WL400 vented water level & temperature sensor, 0-250 ft. range, 500 ft. cable
$2,660.00
Check Availability  

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