Vaisala PTU300 Podręcznik Użytkownika Pobierz pdf (Strona 128)

User's Guide ______________________________________________________________________

126 _________________________________________________________________ M210796EN-A

NOTE

Entering new linear or multipoint corrections will always cancel the

previous corrections. It is advisable to write down the previous linear

and multipoint corrections so that they will not be lost by mistake.

Table 19 Adjustment and Calibration Commands

Function Command

linear corrections on/off LCI ON/OFF

entering linear corrections LCI

multipoint corrections on/off MPCI ON/OFF

entering multipoint corrections MPCI

calibration date CDATE

Opening And Closing the Adjustment Mode

1. Open the transmitter cover. The buttons needed in adjustment

are on the left-hand side of the motherboard.

2. If the chemical purge option is available, it should be carried out

always before RH calibration. To start chemical purge press

simultaneously two PURGE push-buttons (on the motherboard)

for a few seconds. Red indicator led flashes with short pulses

until purge is complete (up to 6 minutes).

3. Press the ADJ button to open the adjustment mode.

4. Press the ADJ button again to close the adjustment mode.

0508-013

Figure 50 Adjustment and Purge Buttons

Numbers refer to Figure 50 above:

1 = Indicator led

2 = Adjustment button

3 = Press the purge buttons simultaneously to start chemical

purge (if available)

1 2 ... 123 124 125 126 127 128 129 130 131 132 133 ... 172 173

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Vaisala PTU300 Podręcznik Użytkownika Strona 128