Bnc 1105 Universal Counter Manual do Utilizador descarregar pdf (Página 84)

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will disappear from the display as calibration is done. On the

contrary, the NG message will show on the display as calibration is

failed.

6.7 How to do the ATT x 10 Gain Calibration via CH1

The Offset Calibration via CH1 is for checking ATT x 10 and DC +9V.

Please do the following procedures to finish the calibration.

1. Press UTILITY > CAL > Enter Security Code > Cal Diag > Gain

Att1.

2. Use the BNC T-connector with 2 BNC cords to link an Agilent

33220A and a DMM (multimeter).

3. Under the Agilent 33220A operation, the procedures should be

Utility > DC ON > Output Setup > Hi-Z.

4. Adjust the voltage on the Agilent 33220A, and let the DMM

displays +5.000V ±0.001V.

5. Remove the input source, from the DMM, on the counter.

6. Press the softkey under RunCal to do the calibration. Then, the

counter’s display will show “Calibrating…”. The finished message

will disappear from the display as calibration is done. On the

contrary, the NG message will show on the display as calibration is

failed.

6.8 How to do the ATT x 10 Gain Calibration via CH2

The Offset Calibration via CH2 is for checking ATT x 10 and DC +9V.

Please do the following procedures to finish the calibration.

1. Press UTILITY > CAL > Enter Security Code > Cal Diag > Gain

Att2.

2. Use the BNC T-connector with 2 BNC cords to link an Agilent

33220A and a DMM (multimeter).

3. Under Agilent 33220A operation, the procedures should be Utility

> DC ON > Output Setup > Hi-Z.

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Bnc 1105 Universal Counter Manual do Utilizador Página 84