The CL3111 is aThree-Phase Multifunctional Standard Meter characterized by high precision, multifunctionality, and exceptional cost-effectiveness. Intended for testing and calibrating electric energy meters, power terminals, and similar instruments, it is also suited for providing traceability to higher-level standards for 0.02-class (or lower) meter verification devices and other metering equipment.
Function
It can measure the distortion of each phase's voltage and current, and is capable of measuring and analyzing harmonics from the 2nd to the 64th order, as well as the waveforms specified in R46, including peak, flat-top, odd harmonic, subharmonic, high-order harmonic, and zero-crossing waves.
Technical Parameters
| Voltage Measurement Range | 30 V … 576 V |
| Voltage Measurement Accuracy | ± 0.01% (30 V ≤ U ≤ Umax) |
| Current Measurement Range | 0.3 mA … 120 A |
| Current Measurement Accuracy | ± 0.01% (10 mA ≤ I ≤ 100 A); ± 0.05% (1 mA ≤ I < 10mA);± 0.2% (0.3 mA ≤ k < 1mA) |
| Phase Measurement Range | 0.00° … 359.99° |
| Phase Measurement Accuracy | ± 0.01(I ≥ 10 mA, U ≥ 30 V) |
| Frequency Measurement Range | 40 Hz … 70 Hz |
| Frequency Measurement Accuracy | ± 0.01 Hz |
| Power Factor Measurement Range | – 1.0 … + 1.0 |
| Power Factor Measurement Accuracy | ± 0.0005 |
| Active / Reactive / Apparent Power Accuracy | ± 0.01% (30 V ≤ U ≤ U max, 10 mA ≤ I ≤ 1 max, PF ≥ 0.5) |
| Active / Reactive Energy Meter Accuracy | ± 0.01% (30 V ≤ U ≤ U max, 10 mA ≤ l ≤ I max, PF ≥ 0.5) |
| Pulse Input / Pulse Output | 0 … 150 KHz |
| Power Factor Range | – 1.0 … 0 … + 1.0 |
| Power Factor Accuracy | ± 0.0005 |
| Harmonic Power / Energy | Harmonic Order 2 … 20: ± 0.2% Reading + 0.1% Range / Harmonic Order 21… 64: ± 0.6% Reading + 0.15% Range |
| Operating Power Supply | AC 220 V ± 10%, 50 Hz ± 5% |
| Power Consumption / Warm-up Time | < 120 VA / < 30 Minutes |
| Dimensions (mm) | (W × H × D): 485 × 133 × 500 |
| Mass | Approximately 19 Kg |
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