Need help?Do you have a question about the Extech Instruments DM220 and is the answer not in the manual?
General| Brand | Extech Instruments |
|---|---|
| Model | DM220 |
| Category | Multimeter |
| Language | English |
Lists and identifies the key parts and features of the DM220 multimeter.
Step-by-step guide for measuring AC and DC voltage using the multimeter.
Procedures for measuring AC and DC current, including safety warnings.
Instructions for measuring electrical resistance, emphasizing safety.
Procedure for checking circuit continuity, including audio feedback.
How to perform a diode test and interpret forward/reverse voltage readings.
Steps to measure capacitance, noting safety requirements for discharging capacitors.
Guide on how to measure frequency (Hz) of a signal.
Procedure for measuring the percentage of duty cycle in a signal.
Instructions for using the non-contact voltage detection feature.
Operation of the built-in flashlight and automatic power-off feature.
Step-by-step guide for safely installing batteries into the multimeter.
Information on the meter's resettable fuse and its function.
Details of the manufacturer's two-year limited warranty for the instrument.
Information on available calibration and repair services for the product.
Contact information for customer support, calibration, and technical assistance.
To Next Page