Geotech Gauge Pressure Transducers

Geotech's submersible pressure transducers are designed for ruggedness and long life to meet the harsh environments encountered in liquid level measurement and control.

Features
Specifications
Applications
Downloads

High static accuracy and repeatability
100% computer tested, calibrated and temperature compensated
750' (229m) maximum cable length
All wetted materials are #316 stainless steel
Sensor has ¼" NPT process fitting with protective cap
Vent line in cable allows barometric compensation of level readings
Field replaceable desiccant cartridge or Aneroid Bellows for moisture protection
Optional surge suppressor for lightning protection

Electrical:
Supply Voltage		12-36 Volt DC
Supply Current		25 mA
Output		1-5 Volt DC, 4-20 mA, and Modbus 485

Performance:
Pressure Ranges (psi)		0-3, 0-5, 0-15, 0-30, 0-50, 0-100, 0-150
Pressure Ranges (bar)		0-.2, 0-.34, 0-1, 0-2, 0-3.5, 0-7, 0-10 (Custom ranges available)
Accuracy		0.25% of full scale 0.1% of full scale available
Non-Linearity		.07% of full scale
Repeatability		0.015% of full scale
Pressure Hysteresis		0.010% of full scale
Zero Error		±0.1% of full scale
Span Error		±0.1% of full scale
Temperature Sensor Range		-40° to 257°F (-40° to 125°C)*
Temperature Accuracy		±1.8°F (0.5°C) nominal full scale Temperature reporting is only available with RS485 communications.
Compensated Temperature		-4° to 185°F (-20° to 85°C)
Operating Temperature		-40° to 257°F (-40° to 125°C)
Response Time		2 milliseconds
Life		1 million pressure cycles

Physical:
Sensor Length (Includes 2" Strain Relief) With Surge Suppressor Without Surge Suppressor		8.6" (21.8 cm) 7.7" (19.6 cm)
Sensor Diameter		.72" (1.8 cm)
Sensor Weight		4.3 oz. (122 g)
Proof Pressure		3x psi
Burst Pressure		5x psi
Media Compatibility		Liquids or gasses compatible with 316 stainless steel

Cable:
Jacket		Polyurethane
Diameter		.335" to .360" (8.5mm to 9.14mm)
Conductors		4-24 AWG 7/32 tinned copper Red – White – Blue – Orange
Drain		24 AWG 7/32 tinned copper bare
Vent Tube		Nylon 6/6 vent tube

* Installation is not recommended in environments where liquids freeze solid. Note: Probe is protected from reverse polarity supply connection.

Groundwater Monitoring
Surface Water Monitoring
Well Monitoring
Wetland Studies
Remediation Pump Control
Landfill Pump Control
Fluid Level Control

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> Installation and Operation Manual

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Maintenance-Free Aneroid Bellows Option	Field Replaceable Vent Line Desiccant Cartridge