Manufacturer | Sanwa Electric Instruments (sanwa) | Model number | DCM400AD. |
Specification | Main body | Current measurement method | CT clamping method |
Operation method | Δ-Σ method | Range switching | Auto and manual |
Usage environment conditions | Environmental pollution level II | withstand voltage | 3700Vrms or less |
Operating temperature and humidity | 0℃ to 40℃, 80% RH or less (no condensation) | Storage temperature and humidity | -10℃ to 60℃, 70% RH or less (no condensation) |
Guaranteed range of accuracy | 23±5℃, 80% R.H. Below (no condensation) | Direct current and alternating current | 40A/400A Accuracy: (AC) ±(2%rdg+10dgt) 50-500Hz (DC) ±(2.5%rdg+10dgt) |
DC and AC voltage | 40/400 A Accuracy: (DC) ± (2.5%rdg+10dgt) (AC) ±(1.5%rdg+5dgt) 50-500Hz
Input resistance: about 10MΩ | Resistance | 400 Ω Open voltage: about DC1.5V |
Conduct | Buzzer sound at 400Ω or less Open voltage: about 1.5V | Function | ●Data hold (display "H" on the LCD part) / range hold ●Relative (relative value display) ●Conduction buzzer ●Auto power off (about 30 minutes) cannot be canceled ●Battery drain indicator |
Sample rate | Numerical part about 2 times/second Bar graph part 20 times/second | Frequency characteristics | 50 to 500Hz |
Number of digits displayed | 4000 count Bar graph part 42 segments | Over display | Display "OL" in the numerical section |
Polarity indication | Only "-" is displayed when entering negative | Clamp inner diameter | φ25mm |
Clamp opening diameter | 29 mm | conductor | Size: 10 x 34mm |
Power supply | LR03 (AAA alkaline battery) x 2 | Battery life | About 50 hours continuously (alkaline battery) |
Battery life warning | The battery mark lights up | Power consumption | About 50mW |
Size | 50(W) x 28(D) x 193(H)mm | Weight | About 230g |