Setra 267 Low Differential Pressure Transducer

Features

  • Optional 3.5 Digit LCD Display w/ 0.5% FS Accuracy
  • NEMA 4 Rated Housing
  • Optional Static Pressure Probe
  • PG-9, PG-13 or Conduit Electrical Termination
  • 24 VAC or 24 VDC Excitation
  • CE & RoHS Compliant
  • Suitable for Harsh Environments
  • Optional LCD Display
  • ±0.25%, 0.4%, 0.5%, 1% FS Accuracy

 

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Setra’s Model 267 is the most rugged high accuracy, low differential pressure transducer on the market. It delivers accuracies of ±1% FS (without display), ±0.5% FS (with display), and optional ±0.25% FS and ±0.4% FS accuracies, and a pressure range from 0.1” W.C. up to 100” W.C. The 267 is housed in a robust, NEMA 4-rated enclosure and has an optional static pressure probe reducing installation and material costs. The 267 is offered with an optional LCD display and a standard accuracy of ±0.5% making it ideal for high accuracy Pharmaceutical applications.

Dimension

Key Benefits

  • Customization is Standard
    The 267, unlike most competitors, offers many mechanical and electrical options that can be integrated into existing designs. The optional 0.25”
    diameter pressure probe is made of sturdy extruded aluminum and is designed with baffles to prevent velocity pressure errors which save money and reduces time on the job site.
  • Robust Enclosure For Difficult Applications
    The 267 is housed in a NEMA 4-rated housing and is built to withstand harsh environments. The 267 is available in both wall and duct mount providing the installer with flexible mounting options. The wall mount allows the sensor to be installed anywhere, whereas the duct probe configuration is designed to maximize space efficiency in difficult applications.
  • The Setra Sensor
    The core technology of the 267 is the all-stainless steel capacitive sensing element. Setra designs and manufactures all of its sensing elements
    resulting in full control over the process and quality of every single sensor. The welded dead-ended capacitive sensors require minimal amplification and deliver excellent accuracy and long-term stability. Setra’s technology has been used in over 8 million installations and has the highest field acceptance rate in the industry.

Application

  • HVAC Systems
  • Energy Management Systems
  • Static Duct Pressure
  • Cleanroom Pressure
  • Oven Pressurization & Furnace Draft Controls

Dpstar is an authorized distributor of Setra Systems. We provide our customers with the best selection of instrumentation and equipment with unrivaled prices to perform in Pressure Sensing Solutions. Setra’s pressure sensors are known for their quality and reliability. Designed with premium capacitive sensing technology, Setra offers single-range and multi-range (field selectable) pressure sensors. Capable of measuring both liquid and gasses, Setra has the product to meet a breadth of HVAC applications and can be trusted in your most critical applications. Trust Setra’s over 50 years of pressure transducer engineering excellence.

 

Specification

Performance Data
Standard Optional
Accuracy RSS1 (at constant temp) ±1.0% FS ±0.4% FS  ±0.25% FS
Non-linearity, BFSL ±0.98% FS ±0.38% FS  ±0.22% FS
Hysteresis ±0.10% FS ±0.10% FS ±0.10% FS
Non-repeatability ±0.05% FS ±0.05% FS ±0.05% FS
Position effect consult factory
Physical Description
Case IP65/NEMA 4 Plastic Glass-Filled
Polycarbonate UL94V-O Case
Electrical connection Screw Terminal Strip Inside of Case
Electrical Terminations PG-9/PG13.5 Strain Relief, 1/2” Conduit
Opening, or 9 Pin D-Sub Connector*
Zero and Span Adjustments Accessible Inside of Case
Weight (approx.) 9.0 Ounces (255 grams)
9.5 Ounces (Duct Probe Assembly)
Electrical Data (voltage)
Circuit 3-Wire (Exc, Gnd, Sig), Protected from
Miswiring
Excitation (for 0-5 VDC Output) 9 to 30 VAC /12 to 40 VDC
Excitation (for 0-10 VDC Output) 11 to 30 VAC /13 to 40 VDC
Output3 0 to 5 VDC5 / 0 to 10 VDC5
Electrical Data (current)
Circuit 2-Wire, Protected from Miswiring
Output7 4 to 20 mA4
Bidirectional Output at Zero 12 mA
Min. Loop Supply Voltage (VDC) 9 + 0.02 x (Resistance of Receiver plus line)
Max. Loop Supply Voltage (VDC) 30 + 0.004 x (Resistance of Receiver plus line)
Pressure Media
Thermal Effects2,3
Compensated Range °F (°C) +40 to +150 (+5 to +65)
Zero/Span Shift %FS/°F (°C) ±0.033 (±0.06)
Maximum Line Pressure 10 PSI
Overpressure Up to 10 PSI (Range Dependent)
Long-Term Stability 0.1% FS Total
Environmental Data
Operating6 Temperature °F (°C) 0 to +150 (-18 to +65)
Storage Temperature °F (°C) -65 to +180 (-54 to +82)
1 RSS of Non-Linearity, Hysteresis, and Non-Repeatability.
2 Units calibrated at nominal 70˚F. Maximum thermal error computed from this datum.
3 Calibrated into a 50K ohm load, operable into a 5000-ohm load or greater.
4 Zero output factory set to within ±0.16 mA (±0.08 mA for optional accuracies). Span (Full Scale) output factory set to within ±0.16 mA (±0.08mA for optional accuracy).
5 Zero output factory set to within ±50mV (±25 mV for optional accuracies). Span (Full Scale) output factory set to within ±50mV (±25 mV for optional accuracies)
6 Operating temperature limits of the electronics only. Pressure media temperatures may be considerably higher.
7 Calibrated at the factory with a 24 VDC loop supply voltage and a 250-ohm load.

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