TESTO 440 - Temperature and Pressure Measurement Data; Probe and Connectivity Specifications; Support and Troubleshooting; Common Questions and Troubleshooting

5 Technical data
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5 Technical data
Temperature (NTC) testo 440 testo 440 dP
Measuring range -40 to +150 °C
Accuracy (±1 digit) at
22 °C
±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 m.v. (remaining meas. range)
Resolution 0.1 °C
Temperature (TE) testo 440 testo 440 dP
Measuring range -200 to +1370 °C
Accuracy (±1 digit) ±(0.3 °C + 0.3% of m.v.)
±0.5 °C for cold junction
Resolution 0.1 °C
Pressure testo 440 testo 440 dP*
Measuring range - -150 to +150 hPa
Accuracy (±1 digit) at
22 °C
±0.05 hPa (0 to +1.00
hPa)
±0.2 hPa + 1.5% of m.v.
(1.01 to 150 hPa)
Resolution 0.01 hPa
* Change in position or attachment to magnetic surfaces affects the sensor. Therefore, first zero the
sensor in the end position of the instrument.
Probe connections testo 440 testo 440 dP
Type K thermocouple
connection
1x
Testo Universal
Connector (TUC) for
connection of cabled
probes with
corresponding plug
1x
Bluetooth
©
probe 1x digital Bluetooth
©
probe or testo Smart Probe
Differential pressure - +
Technical data testo 440 testo 440 dP