SANWA · Clamp Meters
DCM400AD
Slim DC/AC clamp to 400 A aimed at automotive maintenance.
- 400 A DC/AC
- CAT III 300 V
- Automotive
The SANWA DCM400AD is a slim clamp meter that measures both AC and DC current to 400 A, positioned by SANWA for automotive maintenance. It keeps the DCM400's 4000-count display with a 42-segment bar graph, and adds voltage, resistance and continuity. Bhumika quotes this model for Canada.

Features
- DC and AC current to 400 A
- Suited to automotive maintenance work
- 4000 counts with 42-segment analog bar graph
- Low battery indication
- DC/AC voltage, resistance, continuity
Specifications
| AC current | 40 / 400 A; ±(2%±10); resolution 0.01 A |
|---|---|
| DC current | 40 / 400 A; ±(2.5%±10); resolution 0.01 A |
| AC voltage | 400 / 600 V; ±(1.5%±5); resolution 0.1 V |
| DC voltage | 400 / 600 V; ±(1%±2); resolution 0.1 V |
| Resistance | 400 Ω; ±(1%±2); resolution 0.1 Ω |
| Continuity | Buzzer sounds at less than approx. 40 Ω; open voltage approx. 1.5 V |
|---|---|
| Display | 4000 counts |
| Sampling rate | 2 times/sec.; 20 times/sec. for bar graph |
| Bandwidth | 50–500 Hz |
| Rating | IEC61010 CAT. III 300 V |
|---|
| Clamp diameter / conductor size | Φ25 mm / 10 × 34 mm |
|---|---|
| Battery | LR03 × 2 |
| Battery life | Approx. 50 hrs. (alkaline battery) |
| Dimensions | H193 × W50 × D28 mm |
| Mass | Approx. 230 g |
Standard accessories
- TL-23a test lead
- C-DCM400 carrying case
Optional accessories
- CL-14 adapter
- CL-15a adapter
- TL-9IC adapter
- CL-DG3a adapter
- TL-A7M2 adapter
- TL-A4 adapter
- TLF-120 test lead


