• Part Number: 641RM-12
• LED Display: Without
• Ranges from 250 FPM (1.25 MPS) to 15,000 FPM (75 MPS)
• LED display option
• Easy push button set-up
• Compact housing
• 4 to 20 mA output
• Digital filter for signal damping

• Service: Clean air and compatible, noncombustible gases.
• Accuracy: 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).
• Response Time: Flow: 1.5 s to 95% of final value (output filter set to minimum).
• Temperature Limits: Process: -40 to 212°F (-40 to 100°C); Ambient: 32 to 140°F (0 to 60°C).
• Pressure Limit: 100 psi (6.89 bar) maximum.
• Humidity Limit: Non-condensing.
• Power Requirements: 12 to 35 VDC, 10 to 16 VAC. 1.5 A rating required on supply due to initial power surge drawn by transmitter.
• Output Signal: 4 to 20 mA, isolated 24V source, 3 or 4-wire connection.
• Output Filter: Selectable 0.5–15 (seconds).
• Loop Resistance: 600 Ω max.
• Current Consumption: 300 mA max.
• Electrical Connections: Screw terminal.
• Mounting Orientation: Unit not position
• sensitive. Probe must be aligned with airflow.
• Weight: 13.2 oz (374.26 g).
• Cable Length: 6´ (1.82 m).
• Probe Length: 12˝ (30.48 cm) standard.
• Probe Diameter: 5/16˝ (0.79 cm).
• OPTIONAL DISPLAY VERSION: Display: 4-1/2 digit 1/2˝ red LED.; Resolution: 1 FPM, 0.01 MPS (10 FPM @ 10,000 and 15,000 FPM ranges).; Weight: 13.9 oz (394.16 g).

• (1) Instruction manual
  

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Instruction Manual

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