Description
Features
- The instrument is safe, reliable
- convenient to use
- improves the anti-interference ability
- The instrument has a portable structure
- small size, lightweight
- One person can carry the instrument to the field for testing
- Built-in lithium battery, no external power needed
- The instrument meets the requirements of Class A instrument
- For harmonics, three-phase unbalance, flicker, and fluctuations
- reference algorithms are used, without approximate calculations
- high-precision A/D (16 bits), simultaneous sampling
- sampling rate of 12.8 kHz
- Instrument adopts DSP+ARM+CPLD core with fast processing speed
- The instrument provides a USB interface
- The instrument has a built-in 32 MB memory.
Technical Specification
Harmonic Current Content Rate Accuracy | ≤ 0.2 % |
Measuring Range | 45 Hz to 55 Hz, center frequency 50 Hz |
Measuring Condition | The fundamental component of the signal is not less than 80 % F.S. |
Accuracy | ≤ 0.02 Hz |
Input Voltage Range | 10 V to 450 V |
Input Current Range | 5 A, or customizable |
Fundamental VoltageAnd Current Amplitude | Fundamental voltage allowable error ≤ 0.5 % F.S.Fundamental current allowable error ≤ 1 % F.S. |
Phase Difference Accuracy | ≤ 0.5 ° |
Harmonic Voltage Content Rate Accuracy | ≤ 0.1 % |
Three-Phase Voltage Unbalance Accuracy | ≤ 0.2 % |
Voltage Deviation Accuracy | ≤ 0.2 % |
Voltage Variation Accuracy | ≤ 0.2 % |
Power Accuracy | ≤ 0.5 % |
Flicker Accuracy | ≤ 0.5 % |
Operating Time | 5 hrs |
Dimensions | 11.81 in x 8.85 in x 5.31 in (300 mm x 225 mm x 135 mm) |
Weight | 1.10 lb (500 g) |