5 Technical data
45
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
Summary of Contents for 440
Page 1: ...testo 440 Climate Measuring Instrument Instruction manual ...
Page 2: ......
Page 54: ...0970 4410 en US 01b a ...