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Differential pressure (integrated)
Measuring range: -100 to +200 hPa
Accuracy(±1 digit):
±(0.3 Pa ± 1% of m.v.) (0 to 25 hPa)
±(0.1 hPa + 1.5% of m.v.) (25.001 to 200 hPa)
Resolution: 0.001 hPa
Absolute pressure (integrated)
Measuring range: 700 to +1100 hPa
Accuracy (±1 digit): ±3 hPa
Resolution: 0.1 hPa
Temperature NTC (with appropriate probe)
Measuring range: -40 to +150 °C
Accuracy (±1 digit):
±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 m.v. (remaining meas. range)
Resolution: 0.1 °C
Temperature TC type K (with appropriate probe)
Measuring range: -200 to +1370 °C
Accuracy (±1 digit): ±(0.3 °C + 0.1% of m.v.)
Resolution: 0.1 °C
Testo 400 universal IAQ instrument, including transport case for volume flow measurement, silicone hoses, mains unit with USB cable and calibration protocol
- Hot wire probe with Bluetooth®, including temperature and humidity sensor (comprising hot wire probe head, telescope (extendable to 1.0 m) handle adapter and Bluetooth® handle), 4 x AA batteries and calibration protocol
- Vane probe head (Ø 100 mm), including temperature sensor and calibration protocol
- High-precision humidity/temperature probe head, including calibration protocol
- 90° angle for connecting vane probes (Ø 100 mm)
