Vaisala HMDW110 - Manual (Page 14)

Analog Output Overrange Behavior
Analog outputs of the HMDW100 series transmitters have a defined behavior
when the values measured by the transmitter are outside the scaled analog
output range:
n
Output is clipped at the end of the scaled output range.
n
You can allow the output exceed the scaled range by 10% with the aover
serial command.
n
Output is set to error state (default 3.6 mA) if an error is active (for example,
due to sensor damage). You can change the error state using the aerr
command.
For configuration of the analog outputs using serial commands, see section
Analog output on page 33.
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2 Product Overview