Máy đo điện trở đất Gossen Metrawatt M590A
GEOHM C but with English user interface
- Earth resistance measurement in 5 ranges up to 50 kOhm
- Voltage measurement from 10 to 250 V
- Frequency measurement from 45 to 200 Hz
- Battery monitoring and self-test
- Integrated memory with IrDA interface
- Proprietary calibration certificate
- Extremely rugged, two-component housing
- Per VDE 0413 Part 5, EN 61557-5
- 3 or 4-wire measurement selectable from menu
- No balancing required
- Continuous monitoring of interference voltage and auxiliary earth electrode resistance with indication of limit value violations
- Indication is displayed if maximum probe resistance is exceeded at the beginning of the measurement
- Voltage measurement with automatic switch-over function between direct voltage and alternating voltage: Direct voltage measuring range 1.0 … 250 V (with polarity display) Alternating voltage measuring