Vaisala Hydromet Data Collection Platform - Manual (Page 153)

Chapter 5 ____________________________________________________________ Technical Data
VAISALA______________________________________________________________________ 151
Temperature (operating) -50 ... +60 °C (-58 ... 140 °F);
extended -60 ... +70 °C (-76 ... 158 °F)
Temperature (storage) -60 ... +70 °C (-76 ... 158 °F);
extended -60 ... +70 °C (-76 ... 158 °F)
Humidity 0 ... 100 %RH
Table 39 QML201C Logger Accuracy Specifications
Property Description/Value
All data for ambient temperature range -50 ... +60 °C unless otherwise
specified
Temperature measurement
(Pt100 sensor, measurement
range
-50 ... +80 °C)
Typical uncertainty over
temperature range
-50 ... +60 °C
< 0.04 °C
Typical uncertainty over
temperature range
-60 ... +70 °C < 0.08 °C
Maximum error over
temperature range
-40 ... +50 °C Less than 0.10 °C
Maximum error at 0 °C Less than 0.04 °C
Voltage measurement
uncertainty temperature
range: -50 ... +60 °C
5.0 V range <0.06% of reading 100V
250 mV range <0.04% of reading 50 V
250 mV range <0.06% of reading 6 V
25 mV range <0.06% of reading 5 V
Voltage measurement
uncertainty temperature
range: -60 ... +70 °C
5.0 V range <0.10% of reading 150V
250 mV range <0.08% of reading 80 V
250 mV range <0.10% of reading 10 V
25 mV range <0.10% of reading 10 V
Frequency measurements 0.003% + resolution up to 20 kHz
Common mode range +7 V/-3 V
Table 38 QML201C Logger General Specifications
(Continued)
Property Description/Value