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Model 265 Low Differential Pressure Transducer
Brand: Setra Systems, IncSetra’s Model 265 is a lower price solution that offers an excellent price to performance ratio and meets the requirements in all typical HVAC applications.
The 265 is a low differential pressure transducer that uses a dead-ended capacitive sensing element that requires minimal amplification and delivers excellent accuracy and longterm stability.
It delivers ±0.25%, ±0.4% and ±1% Full Scale accuracy options with pressure ranges from 0.25” W.C. up to 100” W.C. The 265 has a small footprint, an AC power option and an optional conduit cover that allows for simple, secure installation for any applications.
Features- Voltage or Analog outputs
- Reverse wiring protection
- Internal regulation
Specifications
Brand
Accuracy
- ± 0.1 % of Full Scale - Warm-Up Shift
- ± 0.25 % of Full Scale RSS
- ± 0.4 % of Full Scale RSS
- ± 1 % of Full Scale RSS
Applications
- Energy Management Systems
- Environmental Pollution Control
- HVac Systems
- Static Duct & Cleanroom Pressures
- Variable Air Volume & Fan Control
Approvals & Certifications
- CE
- UL 94
Compensated Temperature
- -18° to 65° C (0° to 150° F)
Electrical Connectors
- 1/2" Conduit
- 2-Wire - Circuit
- 3-Wire - Circuit
- Screw Terminal Strip
Enclosure, Body Material
- Fire Retardent Glass-Filled Polyester
Excitation Voltage
- 12-30 Vdc
- 24 Vac
- 24 Vdc
- 9-30 Vdc
Hysteresis
- 0.10 % of Full Scale
Load
- 0 to 800 ohms - External Load
Media
- Non-Conductive Gases
- Typically Air
Non-Linearity
- ± 0.22 % of Full Scale, BFSL
- ± 0.38 % of Full Scale, BFSL
- ± 0.98 % of Full Scale, BFSL
Non-Repeatability
- 0.05 % of Full Scale
Operating Temperature
- -18° to 65° C (0° to 150° F)
Output
- 0-10 Vdc
- 12 mA - Bi-Directional Output at Zero Pressure
- 2.5 Vdc (± 50 mV) - Bi-Directional Output at Zero Pressure
- 4-20 mA
Output Impedence
- < 100 ohms
Overpressure & Static Pressure Limits
- psi: 0 to 10 (kPa: 0 to 68.95, bar: 0 to 0.689)
Pressure Range
- inH₂O: 0 to 100
Span & Zero Effect
- ± 0.033 % of Full Scale/50° C (100° F)
- ± 0.06 % of Full Scale/50° C (100° F)
Stability
- 0.5 % of Full Scale/YR - Long Term Stability
Static Pressure
- psi: 10 (kPa: 69, bar: 0.69) - Max.
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.
Zero Offset
- 0.14 % of Full Scale/G
- 0.22 % of Full Scale/G
- 0.5 % of Full Scale/G
- 0.6 % of Full Scale/G