TESTO 174 Mode D'emploi page 23

Characteristic
Software
Standards
Warranty
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testo 174H
Characteristic
Probe type
Measuring range
Humidity accuracy
Temperature
accuracy
Resolution
Operating
temperature
Storage
temperature
Battery type
Life
Protection class
Meas. cycle
Memory
Software
3
Please note that with this instrument in accordance with EN 12830 a regular
inspection and calibration as per EN 13486 must be performed
(recommendation: annually). Contact us for more information.
4
For continous applications in high humidity (> 80% RH at ≤ 30°C for > 12 h, >
60% RH at > 30°C for > 12 h), please contact us via www.testo.com/service-
contact.
Values
can be used with Windows XP, Vista, Win7
2004/108/EC, complies with the directives in
accordance with the standard EN 12830
24 months, warranty conditions: see website
www.testo.com/warranty
Values
NTC temperature sensor and internal
capacitive humidity sensor
0 to 100 % RH (not for condensing
4
atmosphere ), -20 to +70 °C
± 3 % RH (2 % RH to 98 % RH) at +25 °C
± 0.03 % RH/K ± 1 digit
± 0.5 °C (-20 to +70 °C)
0.1 % RH, 0.1 °C
-20 to +70 °C
-40 to +70 °C
2 x 3 V button cell (2 x CR 2032 lithium)
1 year (15 min measuring cycle, +25 °C)
IP20
1 min - 24 h (can be selected)
2 x 8000 readings
can be used with Windows XP, Vista, Win7
3 Specifications
3
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