HP Video Game 00974-90002 manual Calibration and Adjustment, Required Test Equipment

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Calibration and Adjustment

Required Test Equipment

The source used for the calibration should have an output accuracy as good or better than that listed in the specifications.

Calibration Procedure

Environmental range for calibration: 23° C ± 5° C, < 80% RH

Calibration interval: 6 Months

1Disconnect all inputs from the multimeter and open the case as described on page 6-5.

2Install new batteries (described below) and close the cover. Turn the multimeter on and allow a 30 minute warm-up. Open the case.

3Set the multimeter function and range and the source output to the values specified at each step in the calibration table on page 6-2.

4When appropriate, make the adjustments indicated in the calibration table to bring the multimeter display within the limits.

CAUTION

Dangerous voltages are present during the calibration procedure. Calibration should only be performed by qualified service technicians Use a non-conductive adjustment tool.

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Contents HP 974A Multimeter User’s Guide Page Table of Contents HP 974A MultimeterSafety Summary Safety SymbolsSafety Summary Maximum Overvoltage Limitations AC and DC Voltage FunctionsProbes and Test Leads Function Maximum Operating InputOperation Terminals, Shutter, & Test LeadsFunction Switch Switch Display PositionFunction Keys Press Action Main Display Secondary DisplayMinimum/Maximum Action Main Display Secondary DisplayHold/Auto-Hold Data Hold Auto-Hold Range Percent Function Keys and Function Switch MatrixFunction Relative Min/Max Display Power onAuto Power Off AudioRequired Test Equipment Calibration and AdjustmentCalibration Procedure Fuse Replacement MaintenanceBattery Replacement Replaceable Parts/Accessories TroubleshootingCleaning Problem Possible Cause Suggested ActionGeneral SpecificationsRange Resolution Accuracy Input Resistance DC VoltageAC + DC Voltage rms responding, computed from acV, dcV DC Current, AC Current 40 Hz to 1 kHz, 5% to 100% of rangeDiode ResistanceContinuity Frequency AC CoupledTemperature 5 kΩ @ 25C Thermistor probe Adjustments Limit Counts Step Function Range Input Signal AdjustmentCalibration Table Step Function Range Input Signal Replaceable Parts/Accessories Call out Description HP Part NumberDisassembly Manufacturer’s Address Conforms to the following Product SpecificationsManufacturer’s Name Declares, that the productsWhat is Not Covered Warranty/ServiceWhat is Covered