Vaisala HUMICAP HMT100 User Manual

Also see for HUMICAP HMT100: User guide

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Vaisala HUMICAP HMT100 User Manual Manual pdf 37 page image

Chapter 4 ______________________________________________________________ MaintenanceVAISALA _______________________________________________________________________ 379. Let the readings stabilize (may take 30 minutes or more). If youprefer, you can change the display to show the difference in thereadings. Press HOLD and a display similar to the followingappears:RH %The numbers on the first line indicate how much the transmitterreading differs from that of the HMI41 reference probe. Thenumbers on the second line indicate the reference probe reading.You can return to the previous display by pressing HOLD again.10. When the readings have stabilized, press ENTER to conclude theadjustment. When ENTER is pressed, the transmitter reading iscorrected to the reference probe reading. If the adjustment hasbeen succesful, the following display appears:RH11. The data is now stored in the transmitter memory. If theadjustment has not been succesful, the following displayappears:RHIn this case, perform the adjustment again. Whether theadjustment was succesful or not, the HMI41 always returns todisplay the selected adjustment mode.12. After succesfully completing the adjustment, turn off the HMI41and disconnect the cable.HMI41 as a TerminalThe HMI41 can also be used for visualizing and setting the transmitter'sRH reading manually.8. A display similar to the one below should be visible:RH %The numbers on the first line indicate the transmitter reading,and the numbers on the second line indicate the HMI41 probereading.