• Setup
General
Inputs to the unit are analog current or voltage type. They are
rated for measuring category III signals with a voltage of 300 V
earth.
The input and output type are jumper selectable and their ranges
are set by the values used during calibration.
• Calibration
General
All instruments are calibrated before leaving the factory and should
not need adjustment unless a change of range is required or until
the next scheduled calibration.
Equipment requirements
• An AB Bulletin 1606 DC Power Supply
• A digital multimeter (accurate to 0.05 mV and ±1 μA)
Procedure
1. Remove the instrument from the case and confirm that the
jumpers are in the correct positions for the input and output type
required.
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