Hioki CM3291 AC Clamp Meter
Experience high accuracy with the Hioki CM3291 AC Clamp Meter, ideal for precise electrical measurements.
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Buy Hioki CM3291 Clamp Meter
The Hioki CM3291 is a true RMS 2000 A AC rectified current clamp meter featuring a wide operating temperature range of -25°C to 65°C, a slim and compact clamp core, and an optional current sensing tube that you can choose from. Attachable to allow you to get into the tightest places.
The CM3291 hioki clamp meter primarily measures AC current, but it also measures resistance, continuity, AC/DC voltage, and frequency. Because of its clamp construction, which enables non-contact measurements, it is easy and secure to use. Current measurements may be done quickly and without fuss using the clamp, which is simple to place around wires or cables.
Advanced Technology for Accurate Results
Built with True RMS technology, the Hioki 3291 delivers accurate measurements even in environments with fluctuating or non-linear loads. The large backlit display ensures easy readability, while the innovative one-touch operation simplifies complex testing tasks. With its high-resolution data capabilities, this clamp meter ensures that every reading is dependable, helping professionals work with confidence.
- True RMS Technology: Delivers accurate readings for fluctuating loads.
- Easy-to-Read Display: Large, backlit screen for clear visibility.
- High-Resolution Data: Provides precise and reliable results.

Durable and Safe for Challenging Environments
The Hioki CM 3291 is built to last, featuring robust construction to withstand tough conditions. Its wide clamping jaw accommodates thick conductors, making it versatile for various testing scenarios. Designed to meet international safety standards, this clamp meter ensures user safety and long-lasting performance. Whether in the field or the workshop, it’s a reliable partner for demanding tasks.
- Rugged Build: Durable construction for industrial use.
- Wide Jaw Capacity: Suitable for large conductors and cables.
- Safety Certified: Meets global safety standards for secure operation
specifications
| Parameter | Range | Accuracy |
|---|---|---|
| AC Current | 42.00 to 2000 A | 45-66 Hz: ±1.5% rdg |
| DC Voltage | 420.0 mV to 600 V | ±1.0 % rdg |
| AC Voltage | 4.200 V to 600 V | 45-66 Hz: ±1.8% rdg |
| Resistance | 420.0 Ω to 42.00 MΩ | ±2.0 % rdg |
| Power Supply | Coin-type lithium battery (CR2032) ×1 | |
| Dimensions and Mass | 57 mm (2.24 in) W × 198 mm (7.80 in) H × 16 mm (0.63 in) D, 103 g | |
3 reviews for Hioki CM3291 AC Clamp Meter
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Bench Multimeters
Ruth –
It has a high AC current measurement range
rose –
high quality clamp meter
mick –
The CM3291 by Hioki is remarkably accurate and easy to use, making it an ideal clamp meter for both professionals and hobbyists.