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P431 Submersible Pressure Transmitter
Brand: Tel-Tru Manufacturing Co.Key features of the P431 are its long term stability, internal protection from lightning via dual gas discharge tubes, internal EMI/RFI filtering, double sealed cable exit and a maintenance free vent filter.
Every P431 is built using advanced manufacturing techniques to ensure the integrity of the waterproof seal.
Double sealing techniques are used and automated welding procedures and extreme environmental burn in, along with the internal protection against the harsh well conditions give customers the confidence of product reliability over time.
From 0-5 Feet H₂O through 0-1,500 Feet H₂O, the P431 is available in either a 4-20 mA or 0-5 Vdc output signal. For remote or battery powered systems, a low power option is available from a 5 Vdc, 1.5 mA supply.
To futher enhance battery life, warm-up time is less than 3 Milliseconds. Other options include alternate materials of construction or Tefzel cable.
Specifications
Accuracy
- Static Accuracy: ± 0.1 % of Full Scale Output
- Static Accuracy: ± 0.25 % of Full Scale Output (BFSL, RSS) Combined Effects of Non-Linearity, Hysteresis & Repeatability,
Applications
- Coal Bed Methane
- Irrigation
- Level & Depth Measurement
- Underground Storage
- Water Resource
- Well Water
Approvals & Certifications
- CE EN 50081-2, EN 50082-2
Burst Pressure
- 5 times Full Scale
Cable Material
- Polyurethane
- Tefzel
Cap Material
- Pressure Port: PVC
- Stainless Steel
Compensated Temperature
- -17.8° to 76.7° C (0° to 170° F)
Electrical Connectors
- Submersible Cable Exit with 10 to 50 feet Vented Polyurethane & Tefzel Cable
Electrical Protection
- Lightning Protection: Dual Gas Discharge Tube
- Short Circuit Protected: up to 40 Vdc
Enclosure, Body Material
- 316L Stainless Steel
- 632 Stainless Steel (15-5)
Excitation Voltage
- 8-38 Vdc
Insulation Resistance
- 1,000 megaohms at 50 Vdc
NACE & NIST
- NIST Traceable Calibration Certificate
Operating Temperature
- -40° to 93° C (-40° to 200° F)
Output
- 0.5 - 4.5 Vdc - P431J
- 0-5 Vdc, 3-Wire - P431B
- 4-20 mA, 2-Wire - P431A
Power Supply Effect
- ± 0.002 % of Full Scale Output Per V Input
Pressure Range
- bar: 0 to 51.7
- Feet WC: 0 to 1,500
- kPa: 0 to 5,171
- psi: 0 to 750
Pressure Type
- Gauge
Process Connection Material
- Sludge Nose: Stainless Steel
Proof Pressure
- 2 x Full Scale
Repeatability
- ± 0.05 % of Full Scale Output
Resolution
- Infinite (± 0.001 % of Full Scale Output Usable)
Response Time
- < 5 milliseconds
Reverse Polarity Protection
- Yes
RFI/EMI Protection
- Internal Filtering
Stability
- Long Term Stability: ± 0.25 % of Full Scale Output Per Year
Storage Temperature
- -40° to 121° C (-40° to 250° F)
Temperature Effect
- ± 1.5 % of Full Scale Output over Compensated Range [Combined Effects of Zero & Full Scale Output with Reference at 21° C (70° F)]
UNF/UNC Connection
- 7/16”-20 UNF Male with PVC Cap (> 15 psi)
- 7/8”-14 UNF Male with PVC Cap (< 15 psi)
Update Time
- Warm-Up: < 3 milliseconds
Zero Balance
- ± 1 % of Full Scale Output