CEM DT-8920 Pressure & Flow Meter

The CEM DT-8920 is a Pressure and Flow meter simultaneously with an easy-to-read, large, backlit LCD display.

It is able to monitor air pressure across key HVAC components and check indoor air quality and ensure correct air flow balance and maintain a comfortable environment.

CEM DT-8920 Datasheet

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Categories: CEM, Test Equipment For Heating, ventilation, and air conditioning Tags: Air Flow/Anemometers, CEM, Manometers, pressure

Description

The CEM DT-8920 Pressure & Flow Meter uses a Pilot Tube to measures Air Velocity/Airflow in difficult-to-reach or tight locations where a vane anemometer won’t fit.

CEM DT-8920 Features:

Simultaneous display of Pressure, Air Velocity or Air Flow plus Temperature
±0.7252psi range
5 selectable units of pressure measurement
Large Backlit LCD Display
Easy to Calculate the area of a rectangular or circular duct
Max/Min/Avg. recording and Relative time stamp
Data Hold and Auto power off functions
Large LCD display with backlight
Zero function for offset correction for measurement
Store/Recall up to 99 readings in each mode
USB port, includes software
Conforms to CE, EMC, EN: 61326

CEM DT-8920 Specifications

Manometer

Accuracy	±0.3% FSO(25°C)
Repeatability	±0.2% (Max.+/-0.5% FSO)
Linearity/Hysteresis	±0.29% FSO
Pressure Range	5000 Pa
Maximum Pressure	10psi
Response Time	0.5 Seconds typical
Over range Indicator	Err.1
Under range Indicator	Err.2
Units and Resolution	Units	Range	Resolution
	PSI	0.725	0.0001
	Mbar	50	0.01
	inH20	20.07	0.01
	mmH20	509.8	0.1
	Pa	5000	1

Air Velocity

Air Velocity	Range	Resolution	Accuracy
m/s (metres/second)	1.00-80.00	0.01	±2.5% of reading at 10.00 m/s
ft/min (feet/minute)	200-15733	1	accuracy is function of velocity and duct size
km/h (kilometers per hour)	3.6-288.0	0.1
MPH (miles per hour)	2.24-178.66	0.01
Knots (nautical miles per hour)	2.0-154.6	0.1