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DT-620 CMM/CFM Thermo-Anemometer

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Product Series:
The CFM/CMM Thermo Anemometer with InfraRed Thermometer measures Air Velocity, Air Flow (volume), Air Temperature (with probe) and Surface Temperature (with the InfraRed function). The large, easy-to-read backlit LCD includes primary and secondary displays plus numerous status indicators. The InfraRed feature includes a laser pointer for convenient targeting. In addition, the meter can store 16 area setting dimension for easy recall. Proper use of this meter will provide years of reliable service.
Features:
1. Air Velocity Measurements
2. Air Velocity Measurements (Up to 20 Point averaging)
3. Air Flow Measurements (CMM / CFM)
4. Air Flow Measurements (Up to 20 Point averaging)
5. Data Hold (Air Velocity/Air Flow)
6. MAX/MIN/AVG Record (Air Velocity/Air Flow)
7. Temperature Units
8. Data Hold (Air Temperature)
9. Max/Min Record (Air Temperature)
10.Automatic Power OFF
11.InfraRed (Non-Contact) Temperature Measurements
Circuit： Custom LSI microprocessor circuit
Display： Dual function 0.5" (13 mm) 4-digit LCD
Sampling rate： 1 reading per second approx.
Sensors：  Air velocity/flow sensor: Conventional angled vane arms with low-friction ball bearing.
Temperature sensors: NTC-type precision thermistor and InfraRed
IR Spectral response： 6 to 14祄
IR Emissivity： 0.95 fixed
IR distance ratio： 8:1
IR sampling rate： 2.5 readings per second approx.
Automatic Power off： Auto shut off after 20 minutes to preserve battery life
Operating Temperature： 32℉ to 122℉ (0℃ to 50℃)
Storage Temperature： 14 to 140℉ (-10 to 60℃)
Operating Humidity： <80% RH
Storage Humidity ： <80% RH
Operating Altitude： 2000 meters (7000ft) maximum
Battery： One 9 volt (NEDA 1604) battery
Battery life： 80 hours approx. (if Backlight and Laser are used continuously the battery life is
reduced to 2 to 3 hours approx.)
Battery current： 8.3 mA DC approx.
Weight： 1.6 lbs. (725g) including battery & probe
Dimensions： Main instrument: 7.0 x 2.9 x1.2" (178* 74 * 33mm)
Sensor Head: 2.75?(70mm) Diameter
Sensor Head: 2.75?(70mm) Diameter
specifications: 

 

Air Velocity 

 

Range 

 

Resolution 

 

Accuracy 

 

m/s (meters per sec) 

 

0.40-30.00 m/s 

 

0.01 m/s 

 

(3% + 0.20 m/s) 

 

km/h (kilometers/hour) 

 

1.4-108.0 km/h 

 

0.1 km/h

 

(3% + 0.8 km/hr) 

 

ft/min (feet per minute) 

 

80?900 ft/min 

 

1 ft/min 

 

(3% + 40 ft/m) 

 

mph (miles per hour) 

 

0.9?7.0 mph 

 

0.1 mph

 

(3% + 0.4 MPH) 

 

knots (nautical MPH) 

 

0.8 to 58.0 knots 

 

0.1 knots 

 

(3% + 0.4 knots) 

 

Air Flow 

 

Range 

 

Resolution 

 

Area 

 

CMM (cubic meters/min) 

 

0-999999 m3/min

 

1

 

0 to 999.9m2

 

CFM (cubic ft/min) 

 

0-999999 ft3/min

 

1

 

0 to 999.9ft2

 

Air Temperature 

 

Range
14-140℉ (-10-60℃) 

 

Resolution
0.1℉/℃ 

 

Accuracy
4.0℉ (2.0℃) 

 

InfraRed Temperature 

 

-58 to -4℉ (-50 to -20℃) 

 

1℉/℃ 

 

9.0℉ (5.0℃)
2% reading or 4℉ (2℃) whichever is greater 

 


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