TESTO 6681 Instruction Manual page 89

We recommend that the testo 6614 (heated) probe be used
for continuous high-humidity processes.
testo 6681 transmitter
Technical Data
Parameters
Humidity (% RH/°Ctd/°Ftd), etc.
-
Temperature
-
Measuring range
Humidity: 0 to 100 % RH
-
Temperature: -70 to *+180 °C/-94
-
to +356 °F
Material
Probe shaft: Stainless steel
-
Line: Sheathed, FEP
-
Connector: ABS plastic
-
Accuracy (at 25 °C/77 °F)*
Humidity
± (1,0 % RH + 0.007 x reading) for
-
0 to 90 % RH
3
For constant use in high humidity (> 80% rF at ≤ 30°C for
> 12 h, > 60% rF at > 30°C for > 12 h), please contact us via
www.testo.com/service-contact
testo 6610
testo 6613 cable probe
L-A
± (1,4 % RH + 0.007 x reading) for
-
90 to 100 % RH
0.02 % RH/K, dependent upon the
-
process temperature
(with a deviation of 25 °C/+77 °F)
0.02 % RH/K, dependent upon the
-
3
electronics temperature
(with a deviation of 25 °C/+77 °F)
Temperature
±0.15 °C (0.27 °F)
-
Slope PT1000 class AA
*
Reproducibility
Better than ±0,2 % RH
-
Sensor
- 2.2 Product description 89
A
L
Refer to the charts below for the
correlation between temperature
and accuracy.