Vaisala HUMICAP HMP155 User's Guide download pdf (Page 69)

Chapter 6 ___________________________________________________Calibration and Adjustment

VAISALA _______________________________________________________________________ 67

commands in ADJUST mode. To put HMP155 in adjustment mode, just

hold down the

ADJ button until the green LED lights up.

CTEXT

Use the CTEXT command to enter text to the adjustment information

field.

Example:

>ctext

Cal. info : Helsinki / FIN ? Finland

CDATE

Use the CDATE command to enter date to adjustment information field.

Set the adjustment date in format YYYYMMDD.

Example:

>cdate 20080320

Analog Output Adjustment

In the analog output calibration the analog output is forced to the

following values:

- Voltage output: 10 % and 90 % of the range

Connect HMP155 to a calibrated voltage meter in order to measure

voltage.

NOTE

Hold down the ADJ button until a green LED lights up. This puts the

HMP155 in ADJUST mode.

NOTE

The serial line command ACAL cannot be used with HMP155 passive

output version.

Enter the

ACAL command and type the multimeter reading for each

case. Continue by pressing

ENTER. When a channel is specified, only

the specified analog output channel is adjusted.

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Vaisala HUMICAP HMP155 User's Guide Page 69