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Hioki CM3289 AC Clamp Meter
Introduction of Hioki CM3289
The Hioki CM3289 is a True RMS rectifying 1000A AC clamp meter designed with a wide operating temperature range from -25°C to 65°C. It features a slim, compact clamp core and an optional flexible current sensor, allowing you to access the tightest spaces with ease.
The CM3289 employs True-RMS measurement, ensuring accurate readings even when dealing with distorted waveforms, such as those from inverter-equipped devices or switching power supplies. By connecting an optional flexible current sensor (sold separately), the CM3289 can measure current in pairs of wires or in tangled and complexly routed wires, where a traditional clamp-on sensor couldn't be used previously.
Hioki CM3289 Key Features
- The CM3289 is the successor to the popular 3280-20F with a redesigned thinner sensor to help you get into the tightest spaces
- New redesigned sensor for even easier clamping
- Measure even harmonic waveform components using the True RMS method
- Connect the CT6280 flexible sensor to measure up to 4199 A in thick or paired wires
Hioki CM3289 Specifications
| Feature | Specification |
|---|---|
| AC Current Range | 42.00 to 1000 A, 3 ranges (40 Hz to 1 kHz, True RMS), Basic accuracy: ±1.5% rdg. ±5 dgt. |
| DC Voltage Range | 420.0 mV to 600 V, 5 ranges, Basic accuracy: ±1.0% rdg. ±3 dgt. |
| AC Voltage Range | 4.200 V to 600 V, 4 ranges (45 to 500 Hz, True RMS), Basic accuracy: ±1.8% rdg. ±7 dgt. |
| Crest Factor | 2.5 or less at 2500 counts (Linearly decreases to 1.5 or less at 4200 count) |
| Resistance Range | 420.0 Ω to 42.00 MΩ, 6 ranges, Basic accuracy: ±2% rdg. ±4 dgt. |
| Other Functions | Continuity: Buzzer sounds at 50 Ω ±40 Ω or less, Data hold, Auto power save, Drop-proof from height of 1 meter |
| Display | LCD, max. 4199 dgt., Display refresh rate: 400 ms |
| Power Supply | Coin type lithium battery (CR2032) ×1, Continuous use 70 hours |
| Core Jaw Diameter | φ 33 mm (1.30 in) |
| Dimensions and Mass | 57 mm (2.24 in) W × 181 mm (7.13 in) H × 16 mm (0.63 in) D, 100 g (3.5 oz) |
| Included Accessories | CARRYING CASE 9398 × 1, TEST LEAD L9208 × 1, Coin type lithium battery (CR2032) × 1, Instruction manual × 1 |