Multi Measuring Instruments Co.
Multi HWT-300 Harmonic Clamp Tester True Effective Value (RMS)

Manufacturer: Multi Measuring Instruments Co., Ltd.
Model: HWT-300
Features
- Ideal for the Ministry of International Trade and Industry’s “Formulation of Harmonic Suppression Countermeasures Guidelines”
- Harmonic measurement up to the 25th order can be easily done simply by clamping
- Measures current and leakage current at true effective value (RMS)
Specifications
| precision | ±1% RDG±8DGT (All-Pass Mode) |
|---|---|
| CT window diameter | φ40mm |
| power | 3 AA batteries × or AC adapter (optional) |
| Dimensions and weight | 68(W)×207(H)×33(D)mm 430g |
| option | Small Recorder ¥104,480, AC Adapter ¥4,200 |
| Measurement Functions | Load current, harmonic current, leakage current Harmonic mode: up to the 25th |
| Measuring range | 0~400mA/4A/40A/300A |
| Minimum display value | 0.1mA |
| Recorder output | DC100mV/F. S |











