Sanwa Electric Instrument Co., Ltd.
Sanwa CD771 Digital Multimeters
Manufacturer: Sanwa Electric Instrument Co., Ltd
Model: CD771
Features
4000 counts
Easy to read large LCD with backlight
Large breaking capacity fuse 30kA
1.5V battery check function
Thermo plastic elstomer, high resistance against drop shock
Safety cap on current terminal
Auto power off(30min.)(cancelable)
Specifications
| Function | Measuring Range | Best Accuracy | Resolution | Input Impedance |
|---|---|---|---|---|
| DCV | 400m / 4 / 40 / 400 / 1000V | ±(0.5% + 2) | 0.1mV | 10MΩ ～ 100MΩ |
| ACV | 4 / 40 / 400 / 1000V | ±(1.2% + 7) | 0.001V | 10MΩ ～ 11MΩ |
| DCA | 400μ / 4000μ / 40m / 400m / 4 / 10A | ±(1.4% + 3) | 0.1μA | — |
| ACA | 400μ / 4000μ / 40m / 400m / 4 / 10A | ±(1.8% + 5) | 0.1μA | — |
| Resistance | 400 / 4k / 40k / 400k / 4M / 40MΩ | ±(1.2% + 5) | 0.1Ω | — |
| Capacitance | 50n / 500n / 5μ / 50μ / 100μF | ±(5% + 10) | 0.01nF | — |
| Frequency | 5 / 50 / 500 / 5k / 50k / 100kHz | ±(0.3% + 3) | 0.001Hz | — |
| Continuity | Buzzer & LED at 0Ω ～ 85Ω (±45Ω), Open V ≈ 0.4V | — | — | — |
| Diode Test | Open voltage ≈ 1.5V | — | — | — |
| Battery Check | Approximate value (30Ω load), 1.5V battery only | — | — | — |
| Display | numeral display 4000 |
| Sampling rate | 3 times/sec. |
| Bandwidth | 40～400Hz（Sine wave) |
| Fuse | 0.5A/1000V 30kA Φ6.35×32mm 10A/1000V 30kA Φ10×38mm |
| Battery | R6Px2 |
| Battery life | Approx.400h (manganese battery) at DCV range |
| Size/Mass | H166×W82×D44mm/360g |
| Safety | IEC61010CAT.Ⅲ600V/CAT.Ⅱ1000V |
