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Documents: 670

Instruction Manual Model 670 Catalog Page More Info

670 | Fume hood monitor | Dwyer

Fume hood monitor.

Brand: DwyerSKU: 670

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Overview Details for 670

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Fume hood monitor

MODEL 670 FUME HOOD MONITOR

Ensures Proper Fume Hood Performance

The Model 670 Fume Hood Monitor continuously senses air flow through the face of the fume hood, ensuring safe levels of fresh air are exhausting. The 670 provides a highly accurate hot wire sensor to detect very low flows common on fume hoods. The Model 670 comes with everything required to quickly install the unit including a mounting bracket, 24" of tubing for connecting to the inside of the hood wall and a 120 Volt AC power adapter.

Product Applications

Fume hood ventilation monitoring

Flexible surface or flush mounting
LED safe and alarm status indicators
Audible alarm
Sash alarm input
Night set-back input

Specifications

Service: Fume hood face velocity air flow.
Alarm Range: 30-400 FPM (0.15-2.0 m/s).
Alarm Indication: Red LED & audible alarm.
Low Air Velocity Alarm Delay: Fixed 5 secs.
Visual LED Display: Red: Alarm; Green: Normal.
Horn Silence: Yes; temporary and permanent.
Accuracy: Face velocity ±10%.
Temperature Limits: Operating temperature: 55 to 86°F (13 to 30°C). Storage temperature: -40 to 150°F (-40 to 65°C).
Power Requirement: 15 VDC 500 mA; 120 VAC; 60 Hz power transformer included.
Relay Output Low Air Flow Alarm: 5 A @ 250 VAC.
Relay Input for Night Setback: 2 wire rated for 24 VDC usage.
Sash High Indication: Using a two wire micro switch or 3 wire proximity switch input; rated for 24 VDC usage.
Mounting: Semi flush; flush or surface mounted when using included bracket.
Weight: 5.0 oz (141 g).
Agency Approval: CE.