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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.
- 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. |
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- Groundwater Monitoring
- Surface Water Monitoring
- Well Monitoring
- Wetland Studies
- Remediation Pump Control
- Landfill Pump Control
- Fluid Level Control
| Geotech Gauge Pressure Transducer (L) Geotech Gauge Pressure Transducer with optional Surge Suppressor (R) |
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| Maintenance-Free Aneroid Bellows Option |
Field Replaceable Vent Line Desiccant Cartridge |