air velocity transmitter, Velocity Transmitter
air velocity transmitter, Velocity Transmitter

Dwyer 641RM-12 Series Air Velocity Transmitter

Dwyer Air Velocity Transmitter with Cable is the perfect instrument for observing air flow. This transmitter utilizes a warmed mass stream sensor, which takes into consideration exact speed estimations at different stream rates and temperatures

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Tax /GST included

Air Velocity Transmitter The Series 641RM 16 field Air Velocity transmitter selectable reaches from 0-250 to 15,000 FPM (0-1.25 to 75 MPS) give it the flexibility to be chosen for a large number of uses. The unit's 6' link which associates the detecting test with the electronic fenced in area enables the walled-in area to be mounted where it very well may be all the more effectively got to. Longer link lengths are accessible for channels that are at high heights from the plant floor. The discretionary LED creates an entire, conservative answer for a nearby sign of wind stream.

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Data sheet

0-250 to 15,000 FPM (0-1.25 to 75 MPS)
3% FS process gas: 32 to 122°F (0 to 50°C); 4% FS process gas: -40 to 32°F & 122 to 212°F (-40 to 0°C & 50 to 100°C).
4-20 mA, isolated 24V source, 3 or 4-wire connection
Electrical Connection
Screw terminal.
Temperature Limits
Process: -40 to 212°F (-40 to 100°C); Ambient: 32 to 140°F (0 to 60°C).
Unit not position sensitive. Probe must be aligned with airflow.
Response Time
Flow: 1.5 seconds to 95% of final value (output filter set to minimum).
Probe:12˝ (30.48 cm) standard.
Cable Length
6 ft (1.82 m).
Loop Resistance
600 ohms max.
374.26 g

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