Model 670 Fume Hood Monitor
Aplicação
Caracteristicas Técnicas
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