Model 660 Air Velocity Monitor, For Industrial Use, Feature : Accuracy, Automatic, Light Weight, Quality Tested

Model 660 Air Velocity Monitor

continuously measures fume hood airflow

model 660 air velocity monitors are a practical, affordable way to continuously monitor for safe air flows through laboratory fume hoods. They are typically installed in the fume hood side fascia and connected to the interior sidewall via 1-18" flexible tubing. As the exhaust fan draws air through the device, a sensitive constant temperature thermistor measures flow and lights a green (normal), yellow (high) or red (low) led. An audible alarm also warns of low flow and requires manual resetting. Mounting holes fit standard single gang electrical box.

product applications : warns user if insufficient fume hood face velocity is encountered.

specifications

service:air and non-combustible, non-corrosive gases.

high setpoint range:0-275 fpm (0-1.397 m/s).

low setpoint range:0-150 fpm (0-.792 m/s).

repeatability:±7% of full span, 0-50 and 150-275 fpm; ±5% of full span, 50-150 fpm.

compensated temperature range:50 to 90°f (10 to 32.2°c).

operating temperature range:32 to 120°f (0 to 48.9°c).

power supply:24 vac, 3 watts maximum.

response time:6-10 seconds.

warm-up time:3-5 minutes (no flow).

audible alarm:75 db between 3-10 feet.

weight:3 oz (85 g).

mounting hardware:(2) #6 x 1" sheet metal screws, (2) 6-32 x 7/8" machine screws.

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Warrenty : 1 Year

Type : Air Velocity Meter

Color : Grey

Brand Name : DWYER USA

Certificate : YES

Usage : Industrial, Non-corrosive Gases.

Size : Standard

Power : 24 VAC, 3 Watts Maximum.

Voltage : 3 Watts Maximum.