Series 646B Differential Pressure Transmitter

Ranges Down to 0.5 in w.c., Ratiometric Signal Output

No longer available.
Possible replacements are Series 668B/D, Series 616D or Series 616KD.

Specifications

Service:
Air and non-combustible, compatible gases.
Wetted Materials:
302 SS, glass, nickel, polyethylene, acrylic and ABS.
Accuracy:
±2.0% FS* at room temperature.
*RSS (Root Sum Square) includes non-linearity, hysteresis and nonrepeatability.
Temperature Limits:
> Operating: 23 to 170°F (-5 to 77°C);
Storage: -6 to 185°F (-21 to 85°C).
Compensated Temperature:
32 to 170°F (0 to 77°C).
Zero/Span Shift:
< 0.05% FS/F (< 0.09% FS/C).
Warm-Up Shift:
±0.1% FS.
Position Effect:
Unit is calibrated in a vertical position.
Pressure Limits:
±10 psi (69 kPa).
Output Signal:
0.5 to 4.5 VDC ratiometric.
Output Impedence:
< 5.0 Ω.
Supply Voltage:
5.0 ±0.25 VDC.
Response Time:
Approximately 10 ms.
Electrical Connection:
Three stripped, color-coded lead wires, 26 AWG, approximately 3.5" length.
Process Connections:
3/16" OD barbed fitting for 1/8" ID push-on tubing.
Housing:
PBT+ABS alloy.
Weight:
3.1 oz (90 g).

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