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Setra Differential Pressure Transducers

Model 264/C264 Very Low Differential --

Senses differential or gage (static) pressure and converts this pressure difference to a proportional electrical output for either unidirectional or bi-directional pressure ranges
Two versions: Model 264 Pressure Transducer with a 0 to 5 VDC output; and Model C-264 Pressure Transmitter with a 2-wire, 4 to 20mA output
Used in Building Energy Management Systems, these transducers are capable of measuring pressures and flows with the accuracy necessary for proper building pressurization and air flow control
Stainless steel diaphragm, and an insulated electrode
Type of Measurement: Very low Differential
Ranges: 0 to 0.1, 0.25, 0.5, 1, 2.5, 5, 10, 25, inch WC; 0 to ±0.1, 0.25, ±0.5, ±1, ±2.5, ±5 inch WC
Accuracy ±%FS: 1.00 standard or .25 & 0.4 optional (RSS Method)
Thermal Effect ±%FS/100°F: 3.3 Zero and Span combined
Media Compatibility: Air or inert gases
Output: Model 264 = 0 to 5 VDC; Model C-264 = 4 to 20 mA
Enclosure Option: Model 872 electrical enclosure for 264 series pressure transducer with snap on Lexan cover and standard 1/2" conduit opening

Specifically designed for high accuracy measurement of low pressure
Designed to be simple and reliable
High positive overpressure protection is achieved by the sensor electrode acting as a stop for the diaphragm
Applications: HVAC control; leak detection; environmental testing; R & D scientific; fume hood control
Type of measurement: differential
Ranges: 0 to 0.5, 1, 2.5, 5, 15, 30 inch WC; 0 to ±0.25, ±0.5, ±1, ±2.5, ±7.5, ±15 inch WC; 0 to 5, 10 PSID; 0 to ±2.5, ±5 PSID
Accuracy ±%FS: 0.14 standard or .073 optional (RSS Method)
Thermal Effect ±%FS/100°F: 1.0 max Zero; 1:0 max Span
Media Compatibility: High pressure port, gas or liquid compatible with stainless steel, aluminum & Buna-N; low pressure port, clean dry air or inert gas
Output: Model 239 = 0 to 5 VDC; Model C-239 = 4 to 20 mA

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