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Sperry instruments DM6400 User Manual

Sperry instruments DM6400
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6
6.0 BATTERY REPLACEMENT
To avoid false readings, which could lead to possible electric shock or personal injury, replace the battery as soon as the battery indicator appears
1. Disconnect the connection between the test leads and the circuit under test, and remove the test leads from the input terminals of the meter.
2. Turn the Meter power off.
3. Remove the rubber boot from the meter.
4. Remove the 3 screws from the case, and separate the case top from the case bottom.
5. Take the back cover off and turn the back cover over.
6. You’ll see a spot to place a 9 volt battery at the top of the back cover and it should only fit one way unless you force it.
This is supposed to indicate the polarity of the battery along with a plus and minus symbol, but sometimes this is covered up by a security tag.
7. Replace with one fresh 9 volt battery (NEDA 1604 6F22 006P)
Note: Do not use rechargeable batteries in this unit.
8. Carefully replace the battery cover and tighten the 3 screws. Do not overtighten the screws as this may strip the threads in the meter housing.
7.0 FUSE REPLACEMENT
To avoid personal injury or damage to the Meter, use specified fuses ONLY in accordance with the following procedure.
To replace the Meter’s fuse:
1. Turn the Meter off and remove test leads from the input terminals.
2. Remove the rubber boot from the Meter.
3. Remove the 3 screws from the case bottom, and separate the case top from the case bottom.
4. Remove the fuse by gently prying one end loose, then remove the fuse from its bracket.
5. ONLY install replacement fuses of the identical type and specification as follows and make sure that all fuses are inserted firmly into the fuse holder
brackets.
Fuse 1: 10A, H240V, fast type, 6x25 mm.
Fuse 2: 1A,H 250V, fast type, 6x25 mm.
6. Rejoin the case bottom and case top, and reinstall the 3 screws. Be careful not to overtighten the screws. Reinstall the rubber boot. Replacement of the
fuses is seldom required. A burned fuse suggests improper operating procedures.
A. GENERAL SERVICE
• Periodically wipe the case with a damp cloth and mild detergent. Do not use abrasives or solvents.
• To clean the terminals use a cotton swab and detergent, as dirt and moisture in the terminals can affect readings.
• Turn the Meter power off when it is not in use.
• Take out the battery when it is not used for a long time.
• Do not use or store the Meter in a place of humidity, high temperature.

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Sperry instruments DM6400 Specifications

General IconGeneral
BrandSperry instruments
ModelDM6400
CategoryMultimeter
LanguageEnglish

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