Muser Apac Sdn Bhd
V Office 2, VO2-03-12,
Lingkaran SV,
Sunway Velocity,
Jalan Peel,
55100 Kuala Lumpur,
Malaysia.
+603-2742 7468
+603-2742 7469

Testo 425 - Thermal Anemometer with Flow Probe [Delivery: 3-5 days]

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Testo 425 - Thermal Anemometer with Flow Probe [Delivery: 3-5 days] Air Flow Pressure / Air Flow / Manifolds / Gas Detectors Testo
RM 2,050.00
480 g
In Stock


testo 425 - Thermal Anemometer with Flow Probe
 
  • 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.
 
 
Product Description
 
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. 
 
 
testo 425 thermal anemometer for quick, easy flow measurement
 
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. 
 
 
Equip yourself with accessories for the anemometer

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).
 
 
Delivery Scope
 
testo 425 thermal anemometer with permanently attached flow probe including temperature measurement and telescope (max. 820 mm), calibration protocol and battery.
 
 
Technical 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
Warranty 2 years
Battery type 9V block battery, 6F22
Battery life 20 h
Storage temperature -40 to +85 °C
Weight 285 g
 
 
Downloads
 
Product Brochures

Product brochure testo 425  (PDF, 292.3 kB)
 
Manuals

Instruction manual testo 425  (PDF, 737 KB)
 

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