HP Extech 380976 manual Automatic Sleep Mode and Battery Replacement, Auto Sleep Disable

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Automatic Sleep Mode and Battery Replacement

The Meter is powered by a 9V battery. An AUTO SLEEP feature is included to preserve battery life.

Note: The Auto Power OFF feature is disabled when the meter is in the MIN/MAX mode

Note: In the sleep mode the meter continues to draw a small amount of battery current. Always turn the function switch to the OFF position when storing the meter.

Note: To restore operation after the sleep mode has engaged, turn the function switch to the OFF position and then back to the function desired.

Auto Sleep Disable

The meter automatically goes to sleep mode after 30 minutes to conserve battery energy. To defeat this feature:

1.Turn the meter OFF.

2.Press and hold the HOLD key while turning the selector switch to the AC Amps position.

3.Release HOLD when the clock icon appears on the LCD.

Battery Replacement

WARNING

To prevent electrical hazard or shock, turn off the meter and disconnect test leads before removing the back cover.

When the battery power falls low, the LCD will display the battery icon To replace the 9V battery:

1. Set the Range switch to the OFF position.

+.

2.Remove the back cover by first removing the rear screws and then prying open the housing.

3.Replace the 9V battery.

4.Reassemble the meter housing.

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380976

V3.1

6/08

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Contents 1Φ/3Φ 1000 Amp True RMS Power Clamp-On Model Table of Contents IntroductionSafety Information WarrantyWhen servicing, use only specified replacement parts Meter Description AC + DC Voltage Measurements MeasurementsAC Current Measurements 380976 V3.1 380976 V3.1 KW+PF Power Factor, KW+KVAR, KVA+θPhase Angle or A+V KVA 3φ 3W380976 V3.1 380976 V3.1 380976 V3.1 380976 V3.1 KVA 3φ 4W Resistance and Audible Continuity MeasurementsTemperature Measurements Capacitance MeasurementsDiode Tests AC and DC µA MeasurementsHold MX/MN Key Meter Control KeysRange Key Auto Sleep Disable Automatic Sleep Mode and Battery ReplacementBattery Replacement Specifications Measurement Specifications AC Current 50Hz to 400Hz True RMSΜA True RMS AC+DC AC Voltage 50Hz to 400Hz True RMSTemperature K-Type thermocouple 1Φ/3Φ True Power PF 0.5 or 60o 50/60Hz1Φ/3Φ Horse Power HP PF 0.5 or 60o 50/60Hz 1Φ/3Φ Reactive Power Kvar PF 0.5 or 60o 50/60HzCalibration and Repair Services 1Φ/3Φ Apparent Power KVAPhase Angle 50/60Hz Frequency