AIR VELOCITY TRANSMITTERS, 3% FS, 100 psi (6.89 bar), 4 to 20 mA, 0.5 –15 (s).

<strong>AIR VELOCITY TRANSMITTERS<br />
Brand: DWYER</strong><br />
Service: Clean air and compatible, non-combustible gases.<br />
Accuracy: 3% FS process gas: 32 to 122°F (0 to 50°C); 4% FS process gas: -40 to<br />
32°F & 122 to 212°F (-40 to 0°C & 50 to 100°C).<br />
Response Time: Flow: 1.5 s to 95% of final value (output filter set to minimum).<br />
Temperature Limits: Process: -40 to 100°C; Ambient: 0 to 60°C.<br />
Pressure Limit: 100 psi (6.89 bar) maximum.<br />
Humidity Limit: Non-condensing.<br />
Power Requirements: 12 to 35 VDC, 10 to 16 VAC. 1.5 A rating required on supply<br />
due to initial power surge drawn by transmitter.<br />
Output Signal: 4 to 20 mA, isolated 24 V source, 3 or 4-wire connection.<br />
Output Filter: Selectable 0.5 –15 (s).<br />
Loop Resistance: 600 Ω max.<br />
Current Consumption: 300 mA max.<br />
Electrical Connections: Screw terminal.<br />
Process Connections: 1/2" male NPT.<br />
Mounting Orientation: Unit not position sensitive. Probe must be aligned with<br />
airflow.<br />
Weight: 12.6 oz (357.2 g).<br />
Agency Approval: CE.<br />
OPTIONAL DISPLAY VERSION:<br />
Display: 4-1/2 digit 1/2" red LED.<br />
Resolution: 1 FPM, 0.01 MPS (10 FPM @ 10,000 and 15,000 FPM ranges).<br />
Weight: 13.3 oz (377 g).<br />
[641-12-LED]: Model, Probe Length: 12” (304.8 mm)<br />
[NIST]: NIST traceable calibration certificate