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Model 280 Pressure Transducer
Brand: Setra Systems, IncSetra’s Model 280 is a high accuracy transducer for measuring gauge, absolute and compound pressure. Its single piece machined capacitance sensor enables accuracies up to ±0.073% Full Scale giving the 280 superior linearity to competitive sensors that use two-piece welded sensing elements.
The 280’s design offers customers a solution for measuring absolute pressure in Test and Measurement applications. The slim design and simple electrical interface allow users to install the unit in many difficult applications.
The Model 280 has standard pressure ranges from 25 psi to 10,000 psi, including a 3 psi to 15 psi range for drop-in replacement for existing pneumatic systems.
Features- Solid stability for confident installations
- Exceptional EMI/RFI performance prevents false shutdown
- User accessible zero and span adjustments
Specifications
Brand
Accuracy
- ± 0.073 % of Full Scale
- ± 0.11 % of Full Scale RSS
Applications
- General-purpose
- High Pressure Applications
- Hydraulics & Pneumatics
- P/I Process Signals
Burst Pressure
- psi: 0 to 20,000 (kPa: 0 to 137,900, bar: 0 to 1,379)
Compensated Temperature
- -20° to 80° C (-4° to 176° F)
Constant Acceleration
- 10 G, Max.
Consumption
- < 0.15 W (Approximately 5 mA at 24 Vdc)
Electrical Connectors
- 2-Wire - Circuit
- 3-Position Terminal Strip feet
- 3-Wire - Circuit
- Terminal Strip
Enclosure, Body Material
- Stainless Steel
Excitation Voltage
- 12-28 Vdc - Reverse Excitation Protected
Hysteresis
- 0.08 % of Full Scale
Load
- 0 to 800 ohms (External)
Media
- Gases or Liquids Compatible with 17-4 PH or 15-5 PH Stainless Steel
Non-Linearity
- ± 0.1 % of Full Scale, BFSL
- ± 0.2 % of Full Scale, BFSL
Non-Repeatability
- 0.02 % of Full Scale
NPT Connection
- 1/4” NPT Female
Operating Temperature
- -40° to 85° C (-40° to 185° F)
Output
- 0-5 Vdc
- 12-28 Vdc - Reverse Excitation Protected
- 4-20 mA
Output Impedence
- 100 ohms
Output Noise
- 0.0068 V RMS
Pressure Range
- bar: 0 to 689.5
- kPa: 0 to 68,950
- psig: 0 to 10,000
Pressure Type
- Absolute
- Compound Pressure
- Gauge
Proof Pressure
- psi: 0 to 12,500 (kPa: 0 to 86,200, bar: 0 to 862)
Response Time
- 10 milliseconds
Shock
- 200 G Operating
Span & Zero Adjustments
- Top External Access
Span & Zero Effect
- 1.0 % of Full Scale/°C (0.9 % of Full Scale/°F) - Zero Shift
- 1.5 % of Full Scale/°C (1.4 % of Full Scale/°F) - Span Shift
Stability
- 0.5 % of Full Scale for 1-Year - Long Term
Storage Temperature
- -40° to 85° C (-40° to 185° F)
Supply Voltage
- 30 Vdc + 0.004 x (Resistance of Receiver Plus Line) - Max.
- 9 Vdc + 0.02 x (Resistance of Receiver Plus Line) - Min.
Vent
- Through Strip Terminal
Vibration
- 20 G (50 to 2,000 Hz)