130
output of the instrument.
5.
Adjust VR4 on the ANG66000 board so that the DVM measures “0” volts
+\- 10mV.
6. Remove the DVM from the output.
7.
Connect the 475kΩ resistor in series with the 10uf capacitor and connect
the DVM and load to the instrument as illustrated in the following diagram:
8. Set the DVM to read DC millivolts.
9.
Set the output voltage to “115” volts in the low voltage range and activate
the output of the instrument.
10. Adjust VR2 on the CON61000 board so that the DVM
measures “0” volts
+\- 10mV.
11. Disconnect the load and the DVM.
12. Powering the instrument off then remove the JP1 jumper on the
ANG66000 board.
Note1
: The hardware function can Auto correct the output DC offset to near 0
volts. You need to disable this hardware circuit function when manually adjusting
the DC offset. We have designed the JP1 on the ANG66000 board to disable this
hardware circuit function now.
Note2:
We will adjust the DC Offset voltage before leaving our factory. The DC
Offset value is stable for a
long time, so we don’t suggest our customers adjust it.
10.7
Adjust Wattmeter Offset
1.
Press the “0” and “7” number keys while simultaneously powering the
instrument ON.
2. Set the output voltage
to “61” volts in the high voltage range and activate
the output of the instrument.
3. Take note of the reading on the Wattmeter.
4.
Set the output voltage to “300” volts and activate the output of the
instrument.
5. Adjust VR1 on the ANG66000 board so that the reading of the wattmeter
matches the value that was noted at “61” volts.
Note:
The wattmeter gain is different when the output voltage range is at
0~60V and 61~300V. We must use the same range wattmeter gain to adjust
the wattmeter offset. The 61V is the lowest voltage when output voltage range
at 61~300V, so we use the 61V to take note of the reading on the wattmeter.
Summary of Contents for 00310XAC
Page 16: ...10 310XAC 320XAC...
Page 24: ...18 Accuracy L 0 1 Hz 0 0 500 Hz H 0 2 Hz 501 1000 Hz...
Page 26: ...20 A...
Page 36: ...30...
Page 101: ...95 move back to the test screen...
Page 108: ...102...
Page 127: ...121 CONNECT CONNECT 0 1 0 1...
Page 130: ...124 Register...
Page 138: ...132...