SANWA · Clamp Meters
DCM660R
True RMS AC clamp to 660 A with inrush current and MAX/MIN.
- 660 A AC
- Inrush current
- CAT III 600 V
The SANWA DCM660R is a True RMS AC clamp meter positioned for electrical work and air conditioning. It measures inrush current (within 100 ms, above 10 A), holds MAX/MIN values, and adds voltage, resistance and frequency with a 6600-count display. Bhumika quotes this model for Canada.

Features
- AC current to 660 A, True RMS
- Inrush current measurement (within 100 ms / above 10 A)
- MAX/MIN value hold
- Auto power save
- CAT III 600 V
- Frequency on current and voltage inputs
Specifications
| AC current | 66 / 660 A; ±(2%+5); resolution 0.01 A |
|---|---|
| DC voltage | 600 V; ±(1%+2); resolution 0.1 V; input impedance 1 MΩ |
| AC voltage | 600 V; ±(1.2%+5); resolution 0.1 V |
| Frequency (A) | 660 / 6.6k / 30k Hz; ±(0.2%+1); resolution 0.1 Hz |
| Frequency (V) | 660 / 6.6k / 66k / 100k Hz; ±(0.2%+1); resolution 0.1 Hz |
| Resistance | 660 Ω; ±(1%+7); resolution 0.1 Ω |
| Continuity | Buzzer sounds at less than 30 Ω; open voltage approx. 1.2 V |
|---|---|
| Display | 6600 counts |
| Sampling rate | 3 times/sec. |
| Bandwidth | 50–500 Hz |
| Rating | IEC61010 CAT. III 600 V |
|---|
| Clamp diameter / conductor size | Φ30 mm / 10 × 50 mm |
|---|---|
| Battery | LR03 × 2 |
| Battery life | Approx. 55 hrs. (alkaline battery, backlight off) |
| Dimensions | H208 × W69 × D38 mm |
| Mass | Approx. 265 g |
Standard accessories
- TL-23a test lead
- C-DCM660 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


