Keller Small Diameter Level Sensor
Keller PR-36 XS Narrow Diameter Sensor for groundwater monitoring. Swiss made. It is ideal for accurate groundwater level monitoring in narrow wells due to it’s high accuracy and narrow 16 mm diameter. More importantly the Keller PR-36 XS is compatible with Van Walt telemetry. The sensor is supplied with 30 m of Kevlar Cable and offered by Van Walt with a maximum range of 30 m. Above all the Keller PR-36 XS Narrow Diameter Sensor is accurate and reliable. Certainly it is what you expect from Europe’s leading manufacturer of pressure transducers.
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Advantages
Compatible with Van Walt telemetry (vanwaltCONNECT; vanwaltDataHub & vanwaltDataSlave)
Supplied with 30 m of vented Kevlar Cable so no barometric compensation required
Available from stock with Modbus connection
High accuracy
Narrow 16 mm diameter
Digitally compensated
Ideal for narrow downhole applications where highest accuracy is required
Improved surge/lightening protection
Devices can be connected together into a network system
Un-rivalled quality and performance that is synonymous with Swiss engineering.
Keller Small Diameter Level Sensor Equipment Options:
Waste Water applications
Long term water level & temperature monitoring
Groundwater monitoring projects & site assessments
Tidal studies
Groundwater monitoring network automation
Watershed, drainage basin and recharge areas
Stream gauging, lake levels and reservoirs
Wetlands and storm water run-off monitoring
Environmental monitoring
Surface water discharge measurement
Aquifer level monitoring
Aquifer storage & recovery
Dimensions
Length: 123 mm
Diameter: 16 mm
Accuracy @ RT
0.025 %fs typ.
Total Error Band (0 – 50 °C)
0.2 %FS
Long Term Stability typ.
Range <1 Bar: 2 mbar
Range >1 bar: 0.2 %F
Load Resistance
< (U – 10 V) / 25 mA (2-wire)
Electrical Connection (Cable)
PR: polyethylene (PE) Ø 5.8 mm (vented)
Insulation
> 10 MΩ / 500 V
Storage-/Operating Temperature
-20…80 °C (icing not permitted)
Vibration Endurance, IEC 60068-2-6
20 g (10…2000 Hz)
Shock Endurance, IEC 60068-2-27
50 g (11 ms)
CE-Conformity (EMC)
EN 61000-6-1 to 6-4 / EN 61326-1 / EN 61326-2-3
Lightning Protection
Supply and RS485 200A @ 8/20 μs
GND/CASE 2000A @8/20 μs
Materials
Stainless Steel AISI 316L / Viton ® / PE
Weight (without cable)
= 200 g
Keller Small Diameter Level Sensor
Specifications
Dimensions
Length: 123 mm
Diameter: 16 mm
Accuracy @ RT
0.025 %fs typ.
Total Error Band (0 – 50 °C)
0.2 %FS
Long Term Stability typ.
Range <1 Bar: 2 mbar
Range >1 bar: 0.2 %F
Load Resistance
< (U – 10 V) / 25 mA (2-wire)
Electrical Connection (Cable)
PR: polyethylene (PE) Ø 5.8 mm (vented)
Insulation
> 10 MΩ / 500 V
Storage-/Operating Temperature
-20…80 °C (icing not permitted)
Vibration Endurance, IEC 60068-2-6
20 g (10…2000 Hz)
Shock Endurance, IEC 60068-2-27
50 g (11 ms)
CE-Conformity (EMC)
EN 61000-6-1 to 6-4 / EN 61326-1 / EN 61326-2-3
Lightning Protection
Supply and RS485 200A @ 8/20 μs
GND/CASE 2000A @8/20 μs
Materials
Stainless Steel AISI 316L / Viton ® / PE
Weight (without cable)
= 200 g