Vaisala BAROCAP PTB330 Guia do Utilizador descarregar pdf (Página 116)

User's Guide ______________________________________________________________________

114 _________________________________________________________________ M210855EN-C

Using Display/Keypad

1. Press the ADJ button to open the ADJUSTMENT MENU.

2. Select Adjust analog outputs, press the right arrow key.

3. Select the output to be adjusted Adjust analog output 1, press the

START button.

4. Measure the first analog output value with a multimeter. Give the

measured value by using the arrow buttons. Press the OK button.

5. Measure the second analog output value with a multimeter. Give

the measured value by using the arrow buttons. Press the OK

button.

6. Press the OK button to return to the adjustment menu.

7. Press the EXIT button to close the adjustment mode and to return

to the basic display.

Using Serial Line

The ACAL command adjusts the analog output (if an AOUT-1 module

is present). The module parameter denotes which AOUT-1 module is

adjusted. Connect a multi-meter to the analog output and input

measured voltage/current values.

First, press the ADJ button inside the motherboard to enable

adjustments.

Example:

>acal 1

1st value ? 0.11

2nd value ? 0.92

NOTE

Normally, analog output module does not need to be adjusted once it

has left from the factory. However, if accuracy of the unit is suspected,

it is advisable to return the unit to Vaisala for re-adjustment/

calibration.

where

x = 1 ... 4

1 2 ... 111 112 113 114 115 116 117 118 119 120 121 ... 137 138

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Vaisala BAROCAP PTB330 Guia do Utilizador Página 116