Vaisala HUMICAP HMP155 Uživatelská příručka stáhnout pdf (Strana 66)

USER'S GUIDE____________________________________________________________________

64 _______________________________________________________________ M210912EN-C

13. Enter the adjustment information (date and text) to the memory of

the probe; see the commands

CTEXT and CDATE.

14. Reset the probe with the

RESET command.

15. Take the probe out of the reference conditions and replace the

filter.

Two-Point Temperature Adjustment

NOTE

In the passive output version of HMP155, the temperature cannot be

calibrated.

Note that the difference between the two temperature references must be

at least 30 ºC. The additional temperature sensor is suitable for

calibration in liquid bath.

To make a temperature adjustment:

1. Press the

ADJ button to enable the adjustment mode. This lights up

the green LED on the probe. If using a warmed probe for

measuring, probe heating will be interrupted when

ADJ button is

pressed.

2. Wait some time for the probe to reach ambient temperature.

3. Enter the

CT command (or CTA for additional T-probe) and press

ENTER.

4. Press ENTER a few times to check if the reading is stabilized. Let

the reading stabilize, give the reference temperature after the

question mark and press

ENTER three times.

Example

(2-point adjustment):

>ct

T : 18.6038 1. ref ?

T : 18.6068 1. ref ?

T : 18.6098 1. ref ? 19.0

Press any key when ready ...

T : 49.5176 2. ref ? 50.0

5. Move the probe into another reference temperature and let the

reading stabilize. Give the reference temperature after the question

mark and press

ENTER, see example above.

OK indicates that the calibration has succeeded.

7. Enter the calibration information (date and text) to the probe's

memory; see the serial commands

CTEXT and CDATE.

8. Reset the probe with

RESET command.

1 2 ... 61 62 63 64 65 66 67 68 69 70 71 ... 83 84

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