TESTO 174 Instruction Manual page 23

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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.
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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.
800.561.8187
Characteristic
Software
Standards
Warranty
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
www.
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
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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
.com
3 Specifications
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