Dwyer Instruments Air Velocity Transmitter w/ 6' Cable - 0 to 15,000 FPM
This Dwyer Instruments air velocity transmitter has 16 field selectable ranges
Item #: 164994
Manufacturer: Dwyer Instruments
Manufacturer Item #: 641RM-12
Your Price $502.95
Features & Applications:
This Dwyer Instruments air velocity transmitter is the ideal instrument for monitoring air flow. This transmitter uses a heated mass flow sensor, which allows for precise velocity measurements at various flow rates and temperatures. The 641’s 16 field selectable ranges from 0-250 to 15,000 FPM (0-1.25 to 75 MPS) provide it the versatility to be selected for a multitude of applications. The units 6' cable which connects the sensing probe with the electronic enclosure allows the enclosure to be mounted where it can be more easily accessed.
Features:
- 16 Field selectable ranges from 0-250 to 15,000 FPM
- Versatility to be selected for a multitude of applications
- 6' Cable allows the enclosure to be mounted where it can be more easily accessed
Applications:
- Clean Room Fresh Air Supply
- HVAC Air Velocity Measurements
- Fan Supply and Exhaust Tracking
- Ensure Porper Lab Hood Exhaust Flow Rates
Specifications:
| Service: | Clean air and compatible, non-combustible 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 seconds 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 |
| Humidty Limit: | Non-Condensing |
| Power Requirements: | 12-35 VDC, 10-16 VAC. 1.5 A rating required on supply due to initial power surge drawn by transmitter. |
| Output Signal: | 4-20 mA, isolated 24V source, 3 or 4-wire connection |
| Output Filter: | Selectable 0.5-15 (seconds) |
| Loop Resistance: | 600 ohms max |
| Current Consumption: | 300 mA max |
| Electrical Connections: | Screw terminal |
| Mounting Orinetation: | Unit not position sensitive. Probe must be aligned with airflow |
| Weight: | 13.2 oz (374.26 g) |
| Cable Length: | 6 ft (1.82 m) |
| Probe Length: | 12" (30.48 cm) standard |
| Probe Diameter: | 5/16" (0.79 cm) |
















