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| Daily | Weekly | Monthly |
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| $40 | $120 | $360 |
Click here or call 800-393-4009 to order.
The VelociCalc 9555-P Multi-Function Ventilation Meter is a portable, hand held ventilation test instrument. This instrument is designed to work with a wide range of plug-in probes. The probes allow users to make various measurements by simply plugging in a different probe that has the features and functions best suited for a particular application. With the optional probes, measurements include air velocity, temperature, humidity, pressure, CO and CO2. Calculations include air flow, heat flow, turbulence, wet bulb and dew point temperature.
