Đồng hồ đo điện đa chức năng Gossen Metrawatt M249A
High-End Digital Multimeter with Power and Energy Measurement
- Crest factor (CF), conductivity (nS), low impedance (RSL), duty cycle (%), cable length (km)
- Triple display, display illumination can be activated for difficult lighting conditions
- Resolution: 60,000 digits (4 6/7 place)
- 1 kHz / -3 dB low-pass filter can be activated
- Direct current measurement from 10 nA to 10 A, 16 A intermittently,
- Current measurement with current clamp transformers and sensors, transformation ratio is taken into account at the display
- Measurement data memory for up to 300,000 measured values
- Instrument is fully remote controllable without activating the rotary switch or changing current sockets
- Harmonic analysis: RMS values and distortion components up to the 15th harmonic at 16.7, 50, 60 and 400 Hz
- Mains quality analysis: recording of over and undervoltage, dips, swells, voltage peaks and transients in 0, 50 and 60 Hz systems
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