The Extech DM220 is a pocket-sized digital multimeter with a built-in non-contact voltage (NCV) detector and integrated flashlight, combining essential electrical measurement capability with practical field utility in one compact package. Featuring a 4000-count backlit LCD and a dual CAT IV-600V / CAT III-1000V safety rating, one of the highest ratings available on a pocket multimeter, the DM220 is built for technicians who need reliable diagnostics in confined spaces, low-light environments, and demanding field conditions. With integrated test lead storage clips and double-molded housing for impact protection, it is purpose-designed for everyday carry in aviation, electrical, and industrial maintenance.
Key Features
- Built-in flashlight, enables safe, single-hand diagnostics in dark aircraft compartments, avionics bays, and electrical enclosures
- Non-contact AC voltage (NCV) detector with audible and visual alert for fast live-conductor identification
- 4000-count backlit LCD for clear readings in all lighting conditions
- Dual safety rating: CAT IV-600V and CAT III-1000V, covers service entrance through component-level testing
- Integrated test lead storage clips built into the housing for organized, hands-free tool management
- Double-molded housing for enhanced impact and drop resistance
- Measures AC/DC voltage, AC/DC current, resistance, frequency, duty cycle, diode, and continuity
Specifications
- DC Voltage: up to 600V
- AC Voltage: up to 600V
- DC/AC Current: measured
- Resistance: measured
- Frequency: measured
- Duty Cycle: measured
- NCV Detection: Yes (audible and visual)
- Display: 4000-count backlit LCD
- Built-In Flashlight: Yes
- Dimensions: 4.72" x 2.2" x 1.6" (120 x 55 x 40mm)
- Weight: 5.12 oz (145g)
- Safety Rating: CAT IV-600V / CAT III-1000V
- Power: 2 x AAA batteries
Applications
The DM220 pocket multimeter is an ideal compact tool for A&P mechanics, avionics technicians, and MRO electricians working in aircraft cabins, wheel wells, avionics bays, and other confined maintenance areas where space and light are limited. The built-in flashlight allows one-person diagnostics without a separate light source, and the NCV function supports safe pre-work electrical hazard checks. Its high CAT IV-600V / CAT III-1000V dual rating makes it suitable for aircraft primary electrical systems and ground support equipment, while the integrated test lead storage keeps the tool organized and ready for rapid deployment during line maintenance operations.
Need Your Extech DM220 Calibrated?
- PJi operates an ISO/IEC 17025 Accredited Calibration Lab and provides NIST-traceable calibration for the Extech DM220 at purchase.
- Documentation satisfies FAA Part 145, ISO 9001, and AS9100 requirements.
- PJi is the one-stop source: instrument and certificate in one transaction.
Why Buy from Pilot John International?
- Pilot John International is an authorized Extech distributor with an in-house ISO/IEC 17025 Accredited Calibration Lab.
- One-stop source for Extech instruments and NIST-traceable calibration in a single transaction.
- We serve aviation maintenance, FAA Part 145 repair stations, and industrial MRO facilities.
- Full-catalog availability and same-business-day shipping on in-stock items.
| General Information | |
|---|---|
| Part # | DM220 |
| Manufacturer | Extech Instruments |
| Specifications | |
|---|---|
| AC Voltage Range | up to 600V |
| Built-In Flashlight | Yes |
| DC Voltage Range | up to 600V |
| DC/AC Current | Yes |
| Dimensions | 4.72" x 2.2" x 1.6" (120 x 55 x 40mm) |
| Display | 4000-Count Backlit LCD |
| Double-Molded Housing | Yes |
| Duty Cycle | Yes |
| Frequency | Yes |
| Integrated Lead Storage | Yes |
| NCV Detection | Yes (audible and visual) |
| Power | 2 x AAA Batteries |
| Resistance | Yes |
| Safety Rating | CAT IV-600V / CAT III-1000V |
| Weight | 5.12 oz (145g) |
AIRCRAFT COMPATIBILITY
| Compatible Aircraft* |
|---|
PRODUCT REVIEWS
This item does not have any reviews yet.
QUESTIONS & ANSWERS
There are no questions yet. Be the first to ask.