QuadTech Guardian 2500 Series Instruction Manual page 92

Equipment Required
Standard Resistors with known values (rated for 1000V)
- 2 ohms, 0.1%
- 8 ohms, 0.1%
- 40 kohms, 0.1%, rated for 200V
- 1 Mohm, no specified accuracy, rated for 1000V
- 1 Gohm*, 0.1%, rated for 1000V
- 100 Gohm*, 0.1%, rated for 1000V
* tee configuration acceptable, but input divider ratio
should not be more than 1000 : 1
Voltmeter – 0.5% or reading to 3000V for DC and 3000 RMS AC. Valhalla 4600 or
equivalent suggested.
Calibration Procedure
From the UTILITY key select enhanced features.
From enhanced features select Perform Calibration.
Enter the calibration code 2500225 to enter the calibration routine.
The calibration is performed in sequence according to the instructions indicated on the
2500's display. Connection to the standard resistors is made using the lead set (2000-02)
included standard with the unit. The user is prompted to connect or disconnect the meter
or standards.
Page 92 of 92 Service & Calibration