R
ELATIVE
H
UMIDITY
S
ENSOR
BT
72
i
U
SER
’
G
UIDE
CENTRE FOR MICROCOMPUTER APPLICATIONS
http://www.cma-science.nl
Page 1: ...RELATIVE HUMIDITY SENSOR BT72i USER S GUIDE CENTRE FOR MICROCOMPUTER APPLICATIONS http www cma science nl ...
Page 2: ... unit and calibration Through a simple protocol this information is read by the CMA interfaces and the sensor is automatically recognized when it is connected to these interfaces If your Humidity sensor is not automatically detected by an interface you have to manually set up your sensor by selecting it from the Coach Sensor Library Calibration The CMA Relative Humidity sensor BT72i is supplied ca...
Page 3: ... get the salt or salt solution on the sensor Seal the container It takes some time 2 to 6 hours for the air inside the sensor to reach the proper relative humidity level Determine the first calibration point Take the relative humidity for the salt you used as determined from the table Repeat above procedure for the second calibration point using a different saturated salt solution Be sure to allow...
Page 4: ...RH 2 RH after individual calibration 5 RH 0 60 RH 8 RH 90 RH typical with stand cal 0 5 RH typical 0 85 C True RH Sensor RH 1 0546 0 00216T T in C 0 007 RH C negligible 0 22 RH C Connection IEEE1394 connector for BT IEEE1394 sensor cable Sensor cable not delivered with the sensor Warranty The Relative Humidity sensor BT72i is warranted to be free from defects in materials and workmanship for a per...
