Sperry instrument DM-4100A

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04/06 Form # 414

OPERATING INSTRUCTIONS

Model DM-4100A

DIGITAL MULTIMETER

PLEASE READ THESE OPERATING INSTRUCTIONS CAREFULY

Misuse and abuse of these instruments cannot be prevented by any

printed word and may cause injury and or equipment damage. Please

follow all these instructions and measurement procedures faithfully and

adhere to all standard industry safety rules and practices.

The Professional’s Choice

2150 Joshua’s Path, Suite 302

Hauppauge, New York 11788

1-800-645-5398 | 631-231-7050

Fax: 631-434-3128

DM4100 04_06 5/3/06 1:09 PM Page 2

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Summary

SPECIFICATIONS

SAFETY RULES

BATTERY REPLACEMENT

FUSE REPLACEMENT

OPERATION

VOLTAGE MEASUREMENTS

How to perform voltage measurements using the DMM.

CURRENT MEASUREMENTS

RESISTANCE MEASUREMENTS

MAINTENANCE

BATTERY REPLACEMENT

When to replace the battery and reference to Section 7.

FUSE REPLACMENT

CALIBRATION

CALIBRATION PROCEDURE

Detailed steps for calibrating the digital multimeter.

RETURN FOR REPAIR