Vaisala HUMICAP HMP155 User's Guide download pdf (Page 70)

USER'S GUIDE____________________________________________________________________

68 _______________________________________________________________ M210912EN-C

ACAL [0/1]

Example:

Ch 0:

>acal 0

U1 ( V ) ? 1.001

U2 ( V ) ? 9.011

Ch 1:

>acal 1

U1 ( V ) ? 2.0988

U2 ( V ) ? 8.8997

MI70 Check and Adjustment

Vaisala MI70 measurement indicator is an optional accessory that can be

used as a display or as a communication device for HMP155. When it is

used, HMP155 is powered via MI70.

With MI70 you can check the HMP155 easily on the field. Both the

active output version and the passive output version (only RH displayed)

can be checked with MI70.

In the active output version relative humidity, temperature and additional

T-probe temperature can be calibrated. In the passive output version,

only relative humidity calibration is possible.

To check and adjust HMP155 with MI70:

1. Connect HMP155 to MI70 by using a connection cable (Vaisala

item 221801).

2. Turn MI70 on by pressing the power key and follow the

instructions given on the display.

NOTE

When turning on the passive output version, always hold down the ADJ

button simultaneously.

3. Activate the adjustment mode by holding down the

ADJ button on

the probe until the message below appears on the MI70 display.

1 2 ... 65 66 67 68 69 70 71 72 73 74 75 ... 83 84

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Vaisala HUMICAP HMP155 User's Guide Page 70