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Standard-compliant determination of the comfort level: PMV and PPD as well as draught and turbulence as per EN ISO 7730 and ASHRAE 55
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Monitor the indoor air quality: Determination of CO2 concentration, humidity, air temperature and turbulence in workplaces, including long-term measurements
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Smart, intuitive measurement programs, complete your measurement with full documentation on site at the customer’s premises or carry out further analysis using the testo DataControl measurement data management and analysis software
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In the kit: testo 400 universal IAQ instrument, CO2 probe (with Bluetooth® handle), turbulence probe with cable, globe thermometer (Ø 150 mm) with cable, measuring tripod with bag, case
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Temperature - NTC Measuring range
−40 to +150 °C
Accuracy
±0,2 °C ±1 Digit (−25 to +74,9 °C)
±0,4 °C ±1 Digit (−40 to −25,1 °C)
±0,4 °C ±1 Digit (+75 to +99,9 °C)
±0,5 % of mv ±1 Digit (Remaining Range)
Resolution
0,1 °C
Temperature - TC Type K (NiCr-Ni) Measuring range
−200 to +1370 °C
Accuracy
±(0,3 °C + 0,1 % of mv) ±1 Digit
Resolution
0,1 °C
Differential pressure (internal sensor) - Piezoresistive Measuring range
0 to +200 hPa
Accuracy
±(0,3 Pa + 1 % of mv) ±1 Digit (0 to 25 hPa)
±(0,1 hPa + 1,5 % of mv) ±1 Digit (25,001 to 200 hPa)
Resolution
0,001 hPa
Absolute Pressure (internal sensor and external probe) Measuring range
700 to 1100 hPa
Accuracy
±3 hPa
Resolution
0,1 hPa
General technical data Weight
510 g (instrument)
Dimensions
210 x 95 x 39 mm ((LxWxH))
Operating temperature
−5 to +45 °C
Product-/housing material
Plastic
Protection class
IP40
Connectable probes
4 x digital Bluetooth® probe or testo Smart Probe; 2 x digital probe with fixed cable or temperature probe NTC with fixed cable (via Testo Universal Connector - TUC); 2 x temperature probe TC type K with fixed cable
Product colour
black/orange
Camera image size
Main camera: 8.0 MP; Front camera: 5.0 MP
Battery life
approx. 10 hrs continuous operation
Display type
5.0" touch display, HD 1280*720 pixels, IPS (160 k)
Power supply
Rechargeable li-ion battery (5550 mAh)
Interface
Bluetooth®; USB; WLAN
Memory
2 GB; 1.000.000 measuring values
Storage temperature
−20 to +60 °C
*TUC connection (Testo Universal Connector): For the connection of fixed cable digital probes and NTC probes.
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Temperature - NTC Measuring range
0 to +50 °C
Accuracy
±0,5 °C
Resolution
0,1 °C
Humidity - Capacitive Measuring range
5 to 95 %RH
Accuracy
±3 %RH (10 to 35 %RH)
±2 %RH (35 to 65 %RH)
±3 %RH (65 to 90 %RH)
±5 %RH (Remaining Range)
±0,06 %RH/K (0 to +50 °C)
long-term stability: ±1 %RH / year
Hysteresis: ±1,0 %RH
Resolution
0,1 %RH
Absolute Pressure Measuring range
+700 to +1100 hPa
Accuracy
±3,0 hPa
Resolution
0,1 hPa
Ambient CO₂ Measuring range
0 to 10000 ppm
Accuracy
±(50 ppm + 3 % of mv)
(0 to 5000 ppm)
±(100 ppm + 5 % of mv)
(5001 to 10000 ppm)
Resolution
1 ppm
General technical data Storage temperature
−20 to +60 °C
Weight
195 g
Dimensions
295 x 50 x 40 mm
Operating temperature
−5 to +50 °C
Length probe shaft
130 mm
Probe head diameter
30 mm
Product colour
black/orange
Battery life
21,5 h
Battery type
4 x type AA batteries
Data transfer
Bluetooth®
Radio range
20 m
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General technical data Storage temperature
−20 to +60 °C
Weight
250 g
Dimensions
400 x 90 x 90 mm
Operating temperature
0 to +50 °C
Cable length
1,4 m
Probe head diameter
820 mm
Product colour
black/orange
Standards
EN ISO 7730 / ASHRAE 55
Temperature - NTC Measuring range
0 to +50 °C
Accuracy
±0,5 °C
Resolution
0,1 °C
Absolute Pressure Measuring range
+700 to +1100 hPa
Accuracy
±3,0 hPa
Resolution
0,1 hPa
Velocity - Hot wire Measuring range
0 to 5 m/s
Accuracy
±(0,03 m/s + 4 % of mv)
Resolution
0,01 m/s
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Temperature - TC Type K (NiCr-Ni) Measuring range
0 to +120 °C
Accuracy
Class 1 ¹⁾
1) According to standard EN 60584-1, the accuracy of Class 1 refers to -40 to +1000 °C (Type K), Class 2 to -40 to +1200 °C (Type K), Class 3 to -200 to +40 °C (Type K).
General technical data Weight
385 g
Dimensions
250 x 150 x 150 mm
Cable length
1,4 m
Emissivity
0,95
Probe head diameter
150 mm
Product colour
Black
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General technical data Weight
5100 g
Dimensions
730 x 220 x 245 mm ((LxWxH))
Product colour
Black
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General technical data Weight
3250 g
Dimensions
520 x 410 x 210 mm LxWxH
Product-/housing material
Plastic
Product colour
Black
