testo 425

  • testo 425
  • testo 425
  • testo 425
  • testo 425
  • testo 425
  • testo 425
  • testo 425
  • testo 425
TESTO AG
testo 425, thermal anemometer with permanently attached flow probe (probe head 7.5 mm), incl. temperature measurement and telescopic handle (max. 820 mm), battery and manual
 
Part #: 0560 4251

Description

The compact testo 425 anemometer with permanently attached thermal flow probe (probe head ∅ 7.5 mm) incl. telescopic handle. Volume flow is shown directly in the display. Accurate volume flow calculation thanks to easy input of duct area. In addition, it is also possible to switch to the current temperature reading. Timed and multi-point mean calculation provide information on mean volume flow, flow speed and temperature reading. Min/max values can also be shown in the display. The Hold function makes it possible to freeze current readings in the display.

  • 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
  • 9V rech. battery for instrument

    # 0515 0025

    (instead of battery)

  • Case for measuring instrument and probes

    # 0516 0210
  • TopSafe, protects from impact and dirt

    # 0516 0221
  • Transport case

    # 0516 1200

    for measuring instrument, 3 probes and accessories (430 x 310 x 85 mm)

  • Transport case

    # 0516 1201

    For meas. instr. аnd probes (454 x 316 x 111 mm)

  • Recharger for 9V rechargeable battery

    # 0554 0025

    (for external recharging of 0515 0025 battery)

  • ISO calibration certificate velocity

    ISO calibration certificate velocity

    # 0520 0004
    (hot wire, vane anemometer, Pitot tube; calibration points 1; 2; 5; 10 m/s)
  • ISO calibration certificate/Velocity

    ISO calibration certificate/Velocity

    # 0520 0034
    (hot wire, vane anemometer, Pitot tube; calibration points 5; 10; 15; 20 m/s)
  • ISO calibration certificate temperature

    # V400 0000

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
 

Enquiry Form

Related products

  • testo 417

    testo 417

    testo 417, vane anemometer with built-in 100 mm vane, incl. temperature measurement, battery and manual
  • testo 416

    testo 416

    testo 416, vane anemometer with permanently attached 16 mm telescopic vane (max. 890 mm), with battery and manual
  • Testo 410i -vane anemometer - smart probe

    Testo 410i -vane anemometer - smart...

    Vane anemometer operated with smartphone