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VELOCITY DIFFERENTIAL PRESSURE METER

435-4 Velocity Multifunction Differential Pressure Meter.
testo 435-4, multi-functional measuring instrument with built-in differential pressure measurement for A/C, ventilation and Indoor Air Quality with readings memory, PC software and USB data transmission cable, with battery and calibration protocol.
The ambient air conditions measuring instrument, for assessing Indoor Air Quality and tuning and testing VAC systems, stands out on account of its efficient measurement process. The user-friendly measuring instrument has the right measurement engineering for every application and different flow speeds; for example, thermal probes, vane or Pitot tube measurement.

 Velocity Multifunction Meter
Our Price: Contact us for pricing
Phone: 253-927-6186
866-318-6186
Fax: 253-927-6189
email: sales@hotektech.com

Probe-controlled menus and selectable user profiles, e.g. for duct measurement or long-term measurement, ensure the user-friendliest operation possible.
The new IAQ probe measures Indoor Air Quality by measuring the CO2 level, air moisture and air temperature. In addition, lux and comfort level probes can be connected to measure draught air.
Clear analysis and archiving ensure convenient documentation. Temperature and humidity measurement is built-in in the new thermal probe. The special flow protocol professionally documents duct measurements. It is also possible to connect additional temperature and humidity probes.
Readings from up to 3 temperature or humidity probes can be displayed in the measuring instrument; data transmission is by radio, i.e. wireless.
Storage temperature -30 to +70 °C
Operating temperature -20 to +50 °C
Probe type Typ T (Cu-CuNi)  
Meas. range -200 to +400 °C
Accuracy ±0.3 °C (-60 to +60 °C)
±0.5% of mv (remaining range)
Resolution 0.1 °C
Probe type NTC  
Meas. range -40 to +150 °C
Accuracy ±0.2 °C (-25 to +74.9 °C)
±0.4 °C (-40 to -25.1 °C)
±0.4 °C (+75 to +99.9 °C)
±0.5% of mv (remaining range)
Resolution 0.1 °C
Probe type Type K  
Meas. Range -200 to +1370 °C
Accuracy ±0.3 °C (-60 to +60 °C)
±0.5% of mv (remaining range)
Resolution 0.1 °C
Probe type CO2  
Meas. Range 0 to +10000 ppm CO2
Resolution 1 ppm CO2
Probe type Differential pressure probe  
Meas. Range 0 to +25 hPa
Accuracy ±0.02 hPa (0 to +2 hPa)
1% of mv (remaining range)
Resolution 0.01 hPa
Probe type Absolute pressure probe  
Meas. Range 0 to +2000 hPa
Resolution 0.1 hPa
Probe type Lux  
Meas. Range 0 to +100000 Lux
Resolution 1 Lux
Probe type humid. sensor, cap.  
Meas. Range 0 to +100 %RH
Resolution 0.1 %RH
Probe type Hot Wire  
Meas. Range 0 to +20 m/s
Resolution 0.01 m/s
Probe type Vane  
Meas. Range 0 to +60 m/s
Resolution 0.01 m/s (60 vane)
0.1 m/s (16 vane)

Please email sales@hotektech.com or call 253-927-6186 if you are interested in a purchase, or
  need additional information.

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