Testo 425 New Thermal Probe Anemometer 0560 4251 Air Speed Meter Anemograph Ventometer
Introduction:
Testo 425 thermal anemometer with probe, incl. telescopic handle (max. 33 inches), battery and calibration document
The compact testo 425 is an easy to use anemometer with attached thermal probe on a telescopic handle. Just enter the duct measurements directly into the testo 425 and volume flow measurements (cfm) are shown on the clear display. You can switch between flow and temperature readings easily. Timed and multi-point mean flow calculations allow easy flow analysis, volume accumulation estimates, and temperature variation monitoring. Min-Max values are one button simple, while the "Hold" function freezes the current readings in the display for easy data recording.
•Flow, volume flow (cfm) and temperature measurements
•Multi-point and timed mean calculations
•Max-Min values make comparisons fast and easy
•"Hold" button freezes readings
•Clear backlit display
•Auto Off
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•TopSafe provides water, dirt and impact protection
Specification:
Storage temperature -40 to +185 °F
Operating temperature -4 to +122 °F
Battery type 9V battery
Battery life 20 hr
Weight 10 oz
Dimensions 7 x 2.5 x 1.6 in
Material/Housing ABS
Probe type NTC
Meas. range -4 to +160 °F
Accuracy ±0.9 °F (+32 to +140 °F)
±1.3 °F (remaining range)
Resolution 0.1 °F
Probe type Thermo
Meas. Range 0 to +4000 fpm
Accuracy ±(6 fpm +5% of rdg.)
Resolution 2 fpm
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
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How to choose the correct size:
Step 1 Please measure your foot length carefully.
Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
