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Model 231 Low Differential Pressure Transducer
Brand: Setra Systems, IncSetra’s Model 231 is a multi-configurable, wet-to-wet differential pressure transducer offering the user an all-in-one device with field selectable pressure ranges and Analog outputs.
The device is offered with an optional 3 or 5 valve machined brass manifold for ease of installation and maintenance.
The 231 has a robust, NEMA 4 enclosure with an LCD display and a hinged, captive cover allowing for easy access to switches for adjusting the range and output.
Features- 4 Field selectable outputs
- 8 Field selectable pressure ranges
- Field accessible push-button zero and remote zero
- Hinged cover
Specifications
Brand
Accuracy
- < 0.12 % of Full Scale - Warm-Up Shift
- ± 1 % of Full Scale RSS
Applications
- Energy Management Systems
- Flow Measurement of Various Gases or Liquids
- Liquid Level Measurement of Pressurized Vessels
- Pressure Drop Across Filters
- Process Control Systems
Approvals & Certifications
- CE
- RoHS
Burst Pressure
- 10 times Full Scale or psi: 150 (kPa: 1,034, bar: 10.34)
- 10 times Full Scale or psi: 75 (kPa: 517, bar: 5.17)
- 15 times Full Scale or psi: 50 (kPa: 345, bar: 3.45)
- 8 times Full Scale or psi: 250 (kPa: 1,724, bar: 17.24)
Compensated Temperature
- 0° to 54° C (32° to 130° F)
Consumption
- 40 mA Typical at 18-30 Vac
- 8 mA Typical at 10 Vdc
- 8 mA Typical at 5 Vdc
Differential Pressure
- psid: 50 (kPa: 345, bar: 3.45)
Display
- LCD Display
Electrical Connectors
- 1/2” Conduit
- 2-Wire (Reverse Excitation Protected) - Circuit
- 3-Wire - Circuit
Enclosure, Body Material
- Brass
- Powder-Coated
Environmental Protection
- IP66
- NEMA 4
Excitation Voltage
- 15-30 Vdc (Reverse Excitation Protected)
- 18-30 Vac (Reverse Excitation Protected)
Load
- 0 to 250 ohms - External Load
Materials of Construction
- Brass - Manifold Block
Maximum System Pressure
- psig: 125 (kPa: 861.8, bar: 8.6)
Media
- Liquids or Gases Compatible with 17-4 PH Stainless Steel
NPT Connection
- 1/4”-18 NPT
- 1/8”-18 Female NPT
Operating Temperature
- -20° to 85° C (-4° to 185° F)
Output
- 0-10 Vdc
- 0-5 Vdc
- 1-5 Vdc
- 4-20 mA
Output Impedence
- 30 ohms
Pressure Range
- bar: 0 to 17.24
- kPa: 0 to 1,724
- psid: 0 to 250
Proof Pressure
- 2 x Full Scale
Response Time
- 1 to 5 seconds
Rotation
- 90° ON/OFF - Valve Typical
Shock
- 200 G
Span & Zero Effect
- 1.8 % of Full Scale/50° C (100° F) - Span & Zero Shift
- 2 % of Full Scale/50° C (100° F) - Span & Zero Shift
Storage Temperature
- -20° to 85° C (-4° to 185° F)
Supply Voltage
- 24 Vdc
Vibration
- 10 G at 50 to 2,000 Hz