| Customization: | Available |
|---|---|
| Application: | Anemometer |
| Display: | Digital |
|
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Temperature and flow measurement as well as volumetric flow calculation
Permanently attached extendible telescopic probe - maximum length 820 mm, diameter 7.5 mm
With single and multi-point averaging
Hold function, display of min/max value, Auto-off function
The functional testing of ventilation and air conditioning systems includes monitoring the flow speed in ventilation ducts. If the air flow velocity and volumetric flow are not set correctly, the room air quality may suffer. The testo 425 thermal anemometer measures the flow speed and automatically calculates the volumetric flow.
In order to establish whether an air conditioning or ventilation system is functioning properly, among other things you need to check the flow speed or the volumetric flow in the ventilation duct. If the air flow velocity is too low, the room loads are not correctly discharged and optimum room air quality can no longer be guaranteed.
The testo 425 thermal anemometer enables quick spot measurements in ventilation ducts. It records the flow speed, calculates the volumetric flow and also measures the temperature. With a measuring range of 0 to +20 m/s, the anemometer is particularly well suited to low air flow velocity.
The thermal anemometer features a telescopic flow probe. The telescope can be extended to a length of up to 820 mm and has a probe head diameter of 7.5 mm.
As well as flow speed, would you also like to detect the volumetric flow on your air conditioning or ventilation system? This is no problem for the testo 425 thermal anemometer. When you input the duct surface area, it automatically calculates the volumetric flow during the flow measurement. Single and multi-point averaging provides an indicator of the average volumetric flow, flow speed and temperature reading.
You can read off the current readings and the min/max and calculated mean value at any time on the illuminated display. Using the Hold button, you can freeze the current reading in order to compare it with another value, for example. If you should ever forget to switch off the anemometer, the Auto-off function will take care of this for you. This conserves your batteries and ensures that your thermal anemometer is ready for use in the next measurement.
To make sure that you are well-prepared for any circumstances, we recommend that when purchasing the anemometer, you also order our practical accessories: as an added option we offer a handy pocket, a transport case and also the TopSafe protective cover (to protect the anemometer from water, dirt and impacts).
testo 425 thermal anemometer with permanently attached flow probe including temperature measurement and telescope (max. 820 mm), calibration protocol and battery.
Techincal Data| Temperature - NTC | |
|---|---|
|
Measuring range |
-20 to +70 °C |
|
Accuracy |
±0.5 °C (0 to +60 °C) ±0.7 °C (Remaining Range) |
|
Resolution |
0.1 °C |
| Velocity -Thermal anemometer | |
|---|---|
|
Measuring range |
0 to +20 m/s |
|
Accuracy |
±(0.03 m/s + 5 % of mv) |
|
Resolution |
0.01 m/s |
| General technical data | |
|---|---|
|
Dimensions |
182 x 64 x 40 mm |
|
Operating temperature |
-20 to +50 °C |
|
Housing |
ABS |
|
Battery type |
9V block battery, 6F22 |
|
Battery life |
20 h |
|
Storage temperature |
-40 to +70 °C |
|
Weight |
285 g |
1. Where is your company?
we are located in Guangzhou, the capital city of Guangdong Province, near to Shenzhen, Foshan & Hong Kong, very convenient for shipping.
2. How about the MOQ?
1 unit is ok.
3. Shipping methods and lead time?
By Express: 5-7 working days to your door (DHL, UPS, TNT, FedEx...).
By Air: 7-10 working days to your airport.
By Sea: Pls advise your port of destination, the exact days will be confirmed by our forwarders, and the following lead time is for your reference.Europe and America (25 - 35 days), Asia (3-7 days), Australia ( 16-23 days).
4. What is the term of Payment?
T/T, L/C,Western Union, Paypal;
30% T/T in advance,70% before delivery.
5. What are your main products?
Compressor;
Refrigeration gas;
Refrigeration spare parts ;
Cold room panels and equipments .
6. Packaging & Shipping:
Packing: wooden pallet, wooden case or with outer carton, or as per customers' specific requirements.
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