Geotech - Gauge Pressure Transducers

• 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 or Tefzel® (Vented)
• 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