Testo 425 Telescopic Vane Anemometer, Measures Temperature, Volume, Air Velocity, Flow, 30 m/s

View all Anemometers

Subtotal (1 unit)*

€511.00

(exc. VAT)

€628.53

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • Plus 9 unit(s) shipping from 20 April 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +€511.00

*price indicative

RS Stock No.:
255-9513
Distrelec Article No.:
303-72-693
Mfr. Part No.:
0563 0425
Manufacturer:
Testo
Find similar products by selecting one or more attributes.
Select all

Brand

Testo

Measurement Parameters

Temperature, Volume, Air Velocity, Flow

Model Number

425

Product Type

Anemometer

Maximum Temperature Measurement

70°C

Air Velocity Resolution

0.01m/s

Probe Type

Telescopic Vane

Maximum Operating Temperature

50°C

Power Source

Battery

Battery Type

AA

Maximum Air Velocity Measurement

30m/s

Minimum Operating Temperature

-20°C

Air Velocity Accuracy

±5 % + 0.5 m/s

Temperature Measurement Accuracy

±0.5°C

Battery Life

35h

Temperature Resolution

0.1°C

Height

28mm

Length

135mm

Weight

268g

Standards/Approvals

No

Width

28mm

RoHS Status: Exempt

COO (Country of Origin):
DE
The Testo optimally adjusted air conditioning and ventilation systems are a decisive factor for modern buildings. Accordingly, it is important to use the appropriate measurement technology to ensure that the flow, temperature and volume flow in the ventilation duct are correct. The testo 425 thermal anemometer is your fast, easy and precise companion. The cable-connected telescopic probe can be extended up to 820 mm, making it easier to work overhead or in large diameter ducts.

Precise flow, temperature plus volume flow calculation

Timed and point mean value calculation

Operating temprature is -20 to +70 °C

Battery life is 35 hours

Related links