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Dwyer Series
646

Differential Pressure Transducer
Low Cost, Ranges from ±0.5" w.c., Voltage Output

SPECIFICATIONS
Service: Compatible gas and air.
Wetted Materials: Graphite filled nylon housing, 96% alumina ceramic sensor, silicone seal.
Accuracy: Non-linearity: ±0.5% FS max. Hysteresis and Repeatability: ±0.05% FS max.
Temperature Limits: Operating: 14 to 140°F (-10 to 60°C).
Pressure Limits: Line Pressure: 1 psi. Overload Pressure: High side: 5x rated pressure, Low side: 3x rated pressure.
Compensated Temperature Range: 50 to 104°F (10 to 40°C).
Thermal Effects: Zero Temp Effects: ±1.5% FS (>2.0" H2O); ±3.0% FS (≤2.0" H2O). Span Temp Effects: ±1.5% FS (>2.0" H2O); ±4.0% FS (≤2.0" H2O).
Power Requirements: 4.75 to 8 VDC.
Output Signal: 0.25 to 4.0 ±0.08 VDC @ 5.0 V supply (0.5 to 4.25 ±0.12 VDC for ±0.5" range).
Response Time: 15 msec @ 63% FS step response change.
Output Impedance: <100 Ω; short circuit protected.
Electrical Connection: Three color-coded leads, 24 AWG, 12" length.
Process Connection: 1/8" or 3/16" I.D. tubing.
Weight: 2.5 oz (0.07 kg).

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