Testo 425 Compact Thermal Anemometer

Testo

£408.00 / £489.60 incl VAT

⚡ Measure air flow velocity and air temperature
⚡ Calculate volume flow by entering duct channel area
⚡ Extendable telescopic probe with 820mm maximum extension

Only 1 left in stock (can be backordered)

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Description

Testo 425 Compact Thermal Anemometer

Product Descriptions:

The Testo 425 Compact Thermal Anemometer is an extremely useful instrument for use in the HVAC sector, particularly ascertaining air flow and temperature readings in ventilation ducts. This is because of the compact ø7.5mm diameter sensor that sits on top of a telescopic probe with a maximum length of 820mm. The use of a hot-wire probe rather than a vane also means that it is easier to position the meter at an appropriate angle. The anemometer had an air flow velocity range of 0 to 30m/s and a temperature range of -20˚C to 70˚C whilst volume flow can also be calculated if the user enters the cross-sectional area of the duct.

The large, backlit, digital screen on the Testo 425 shows results for air flow, volume flow and temperature in m/s, m3/h and ˚C. It is capable of showing two readings simultaneously and also offers min/max values alongside data hold. Further measurement options include point and timed mean value calculation. The anemometer has a 35-hour battery life and is also provided with batteries and a calibration protocol certificate. The Testo 425 has a robust and durable design, with a protection class rating of IP40 for the instrument and IP20 for the probe.

Key Features:

  • Air flow velocity range: 0 to 30m/s
  • Air flow velocity accuracy: ±(0.03 m/s + 4% of m.v.) (0 to 20 m/s) ±(0.5 m/s + 5% of m.v.) (20.01 to 30 m/s)
  • Air flow velocity resolution: 0.01m/s
  • Temperature range: -20˚C to 70˚C
  • Temperature accuracy: ±0.5˚C
  • Temperature resolution: 0.1˚C
  • Volume flow calculation
  • 820mm telescopic probe
  • Point and timed mean values

Testo Smart App

The Testo Smart App supports the user being able to configure the measuring instrument. Users are able to view graphical measure value curve. Using a smart device with the downloaded app, users are able to turn their smart device into a second screen.

The Testo Smart App allows for operation, measurement and documentation of all compatible Bluetooth enabled Testo measuring instruments. With its intuitive measurement menus, quick configuration, the Testo Smart App is simple to use and allows for uncomplicated documentation to be completed. Measurements can be found quickly and easily with data shown in graphical and tabular curve display.

The App allows for data to be stored alongside customer information. Reports can be easily generated, including photos as PDF/CSV files and emailed directly from the smart device to colleagues or customers.

Data can be transferred to a PC using Testo’s PC software DataControl. The App benefits from continuous updates and extensions.

Testo part number:0563 0425

What’s In The Box?

  • Testo 425
  • Fixed telescope (max 820mm)
  • 3 X AA batteries
  • Transport bag
  • Calibration protocol
Temperature – NTC
Measuring Range -20 to +70 °C
Accuracy ±0.5 °C
Resolution 0.1 °C
Velocity – Thermal Anemometer
Measuring Range 0.01 to 30 m/s
Accuracy ±(0.03 m/s + 4.0 % of mv) (0.01 to +20 m/s), ±(0.5 m/s + 5.0 % of mv) (20.01 to +30 m/s)
Resolution 0.01 m/s
General Technical Data
Weight 268 g
Dimensions 135 x 60 x 28 mm
Operating Temperature -20 to +50 °C, Probe: -20 to +70 °C
Product-/Housing Material ABS + PC / TPE
Diameter Probe Shaft 7.5 mm
Cable Length 1.5 m
Protection Class IP40, IP20
Length Probe 180 mm
Battery Type 3x AA
Battery Life 35 h
Storage Temperature -20 to +50 °C
  • Testo 425
  • Fixed telescope (max 820mm)
  • 3 X AA batteries
  • Transport bag
  • Calibration protocol
 Zone  Orders Under £75  Orders Over £75
 Zone 1 – UK Mainland Royal Mail 1st Class Delivery (1-2 Days) £5.95
Royal Mail 2nd Class Delivery (3-5 Days) £4.95
DPD Guaranteed Next Day Delivery (Orders must be placed before 2pm) £8.95
Royal Mail 2nd Class Delivery (3-5 Days) FREE
 Zone 2 – Scottish Highlands and Islands Royal Mail 1st Class Delivery (2-3 Days) £5.95
Royal Mail 2nd Class Delivery (5-6 Days) £4.95
DPD Express 2 Day Delivery (Orders must be placed before 2pm) £18.00
Royal Mail 2nd Class Delivery (5 -6 Days) FREE
 Zone 3 – Northern Ireland, Isle of Man, Isles of Scilly Royal Mail 1st Class Delivery (2-3 Days) £5.95
Royal Mail 2nd Class Delivery (5-6 Days) £4.95
DPD Express 2 Day Delivery (Orders must be placed before 2pm) £18.00
Royal Mail 2nd Class Delivery (5 -6 Days) FREE
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