Vaisala HUMICAP HMT310 Guía de usuario descargar pdf (Pagina 71)

Chapter 6 ___________________________________________________ Calibration and Adjustment

VAISALA ________________________________________________________________________ 71

Relative Humidity Calibration after

Sensor Change

Syntax: FCRH<cr>

The transmitter asks and measures relative humidity and calculates the

calibration coefficients. This two-point adjustment needs to be performed

after a sensor change. Follow the more detailed calibration instructions

on page 73, but instead of the CRH command, use the FCRH command.

Example:

>fcrh

RH : 1.82 1. ref ? 0

Press any key when ready <cr>

RH : 74.22 2. ref ? 75

The OK indicates that the calibration has succeeded.

Set Calibration Information Text

Syntax: CTEXT<cr>

1. Remove the transmitter unit from the mounting plate (see

Mounting the Transmitter/Removing the Transmitter Unit on page

22) and press the adjustment button once (see Figure 18 on page

74).

2. Issue the LI command and set the offset value to 0 and gain value

to 1.

3. Issue command CTEXT and enter calibration information text.

Example:

>ctext

Cal. info : Vaisala/HEL ? HMK15

1 2 ... 66 67 68 69 70 71 72 73 74 75 76 ... 104 105

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Vaisala HUMICAP HMT310 Guía de usuario Pagina 71