Testo 440 indoor air quality (IAQ) measuring instrument with humidity and temperature probe is designed for measurements in warehouses, refrigerators, workrooms, offices, ventilation ducts and heat pumps.
TECHNICAL SPECIFICATION:
Temperature – NTC:
Measuring range: -40 to +50 °C
Accuracy: ±0.4 °C (-40 to -25.1 °C); ±0.3 °C (-25 to +74.9 °C); ±0.4 °C (+75 to +99.9 °C); ±0.5 % of mv (Remaining Range)
Resolution: 0,1 °C
Temperature (Type K (NiCr-Ni)):
Measuring range: -200 to +1370 °C
Accuracy: ±0,3 °C
Resolution: 0.1 °C
Battery type: 3 AA mignon 1.5 V
Battery life: 12 h
Storage temperature: -20 to +50 °C
Operating temperature: -20 to +50 °C
Humidity/temperature probe (digital):
Temperature – NTC
Measuring range: -20 to +70 ° C
Accuracy: ± 0,5 ° C
Resolution: 0.1 °C
Humidity – Capacitive
Measuring range: 0 iki 100% RH
Accuracy: ±2 %RH (5 to 90 %RH); ±0.03 %RH/K (k=1); long-term stability: ±1 %RH / year
Resolution: 0,1 RH
General parameters
Storage temperature: -20 to +60 ° C
Dimensions: 290 x 50 x 40 mm
Weight: 165 g
Battery type: 4 x type AA batteries
Battery life: 140 h
DELIVERY SCOPE: testo 440 air velocity and IAQ measuring instrument, 3 x AA batteries, USB cable and calibration protocol (0560 4401); Humidity/temperature probe (Ø 12 mm) with Bluetooth®* (consisting of humidity/temperature probe head and Bluetooth® handle); 4 x AA batteries and calibration protocol (0636 9731); Basic case for testo 440 and 1 probe
PRODUCT CODE: 0563 4404
