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General| Brand | Sperry instruments |
|---|---|
| Model | DM-4400A |
| Category | Multimeter |
| Language | English |
Check contents upon unpacking and notify distributor if any items are missing.
Steps to perform before using the instrument, including battery installation and inspection.
Instructions for measuring DC and AC voltages using the multimeter.
Steps for measuring DC and AC current, including range selection and safety cautions.
Procedures for measuring resistance on de-energized circuits, including overrange indications.
How to perform diode tests, including forward-voltage drop and shorted/open diode indications.
How the meter automatically selects the appropriate measurement range.
Procedure for performing non-contact voltage tests using the NCV function.
How to clean the exterior of the instrument using a soft cloth and avoiding liquids.
Detailed steps for calibrating the multimeter, including specific adjustments and checks.
Schematic diagram illustrating the internal electronic components and connections of the multimeter.
A list of parts used in the multimeter, including their designations and sizes.
