testo 425

Productdescription

The compact anemometer with permanently attached thermal flow probe inc. telescope (max. 820 mm). The volume flow is shown directly in the display. Exact calculation of volume flow due to input of duct area. Additionally, the instrument can be switched over to the current temperature reading.

  • Temperature, flow and volume flow measurement
  • Multi-point and timed mean calculation
  • Max/min values
  • Hold button to freeze readings
  • Display light
  • Auto Off function
  • TopSafe, the indestructible protective case (optional)
  • TopSafe, instrument protection against dirt and knocks

Technical Data
Storage temperature -40 to +85 °C
Operating temperature -20 to +50 °C
Battery type 9V block battery, 6F22
Battery life 20 h
Weight 285 g
Dimensions 182 x 64 x 40 mm
Material/Housing ABS
Probe type NTC
Meas. range -20 to +70 °C
Accuracy ±0.5 °C (0 to +60 °C)±0.7 °C (remaining range)
Resolution 0.1 °C
Probe type Thermo
Meas. Range 0 to +20 m/s
Accuracy ±(0.03 m/s +5% of mv)
Resolution 0.01 m/s
Brochures
0560_4251_en_01.pdf (0 views)
PDF Refference
refrigeration_en.pdf (0 views)
testo 425 compact thermal anemometer with fixed velocity probe incl. temperature measurement and telescope (max. 820 mm), battery and calibration protocol
  • Temperature, flow and volume flow measurement
  • Multi-point and timed mean calculation
  • Max/min values
  • Hold button to freeze readings
Online not buyable Ordernumber: 0560 4251
Images (4)