Tegam AVM-2000, Инструкция по эксплуатации и обслуживанию

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5-9
Section V – Maintenance and Servicing
26. Set the Meter Calibrator for 3 VDC.
27. Edit the Meter Calibrator output amplitude until AVM-2000 analog meter indicates full scale.
28. Press the Meter Calibrator SCALE button.
29. Set the Meter Calibrator for 2 VDC and edit the output amplitude until AVM-2000 analog meter
indicates this value .
30. The LinError indication on the Meter Calibrator display (rounded to the nearest whole percentage)
must be within -2 to +2%.
31. Repeat steps 29 and 30 for 1 VDC.
32. Press the Meter Calibrator SCALE button (setting the function off).
33. Repeat steps 26 through 31 with negative applied voltages.
34. Set the Meter Calibrator OPR/STBY switch to STBY and press the SCALE and OFFSET buttons
(setting the functions off).
35. Disconnect test setup.
36. Connect equipment as follows.
a. Connect AVM-2000 HI to Current Shunt Potential (+) and the LO to the Potential (-).
b. Connect the Meter Calibrator HI to the Current Shunt 10 A.
c. Connect Meter Calibrator LO to the Current Shunt Common.
37. Install the Current Shunt shorting plugs in the 10 A holes.
38. Using AVM-2000 RANGE knob, select the first AVM-2000 range listed in the Range column of Table
5.2.
39. Perform Manual Range Zero of the AVM-2000 except set the Meter Calibrator for 0 ADC in step
4.a.i.
40. Set the Meter Calibrator for the first positive value listed in the Applied column of Table 5.2 and set
the OPR/STBY switch to OPR.
41. Edit the Meter Calibrator output amplitude until AVM-2000 analog meter indicates full scale.
42. The Meter Calibrator must indicate within the corresponding positive values listed in the Limits
column of Table 5.2.
43. Set the Meter Calibrator OPR/STBY switch to STBY.
44. Repeat steps 40 through 43 for the first negative value listed in the Applied and Limits column of
Table 5.2.