德国GMCMETRAHIT PRO 数字万用表英文介绍：
GMC METRAHIT PRO Millimeter
4½ Place TRMS Professional Millimeter
Our new STARLINE generation instruments, namely METRAHIT BASE, PRO and X-TRA, are rugged, reliable digital multimeters with housings made of impact-resistant plastic. The devices feature a new design and are equipped with state-of-the-art technology.
- Resolution: ± 12,000 digits, 4½-place
- 3 connector jacks with patented automatic blocking sockets (ABS)
- Voltage measurement with a basic accuracy of ±0.05% (V DC)
- Auto-range current measurement from 1A to 10 A (16A) via a single connector jack and a single fuse
- Large, light-blue illuminated display with extra large characters
(15 mm) and a analog bar graph for dynamic processes - Separate battery and fuse compartments
- IP 52 protection against dust and water
- Measuring categories: 1000V CAT III and 600V CAT IV
- Made in Germany
- Furnished with DKD calibration certificate
- 16 Multimeter Functions
- Voltage ACTRMS, voltage AC+DC TRMS, voltage DC, frequency (Hz), keying ratio, resistance, diode test, continuity test, capacitance, current ACTRMS, current AC+DC TRMS,
temperature with type K thermocouples - Additional filter function and voltage measurement with reduced input impedance for limiting interference, for example when performing measurements at frequency converters
| METRAHIT | X-TRA | TECH | PRO | BASE |
| Order number | M240A | M243A | M242A | M241A |
| Number of multimeter functions | 23 | 20 | 16 | 12 |
| DKD certificate | x | x | x | x |
| Voltage measurement | x | x | x | x |
| TRMS AC and AC+DC | x | x | x | x |
| Bandwidth (TRMS) | 20 kHz | 10 kHz | 10 kHz | 1 kHz |
| Frequency measurement | 1 MHz | 100 kHz | 100 kHz | 100 kHz |
| Current measurement | x | x | x | Clip-On |
| Low-pass filter (1 kHz) | x | x | x | |
| Capacitance measurement | x | x | ||
| IR interface | x | |||
| Data memory (4 Mb) | x | |||
| Mains connection | x | |||
| Protective rubber cover | x | Optional | Optional | Optional |
