Hioki CM3286-50 AC Clamp Power Meter

Description

What Is the Hioki CM3286-50 AC Clamp Power Meter Used For?

The Hioki CM3286-50 is a handheld True RMS clamp meter used for measuring active, reactive, and apparent power, power factor, phase sequence, and harmonic distortion across low-voltage power distribution networks. It enables plant engineers, MEP contractors, and energy auditors to verify single-phase circuits (5 W to 360 kW) and balanced or unbalanced three-phase systems (up to 1080 kW), detect phase imbalances, uncover electricity theft or metering bypasses, and check solar inverter outputs without disconnecting conductors.

To evaluate alternative diagnostic and power monitoring instruments, explore our complete selection of industrial clamp meters or consult our technical evaluation of the top 5 clamp meters for electricians in the UAE.

Key Technical Factors to Evaluate When Choosing an AC Power Clamp

When selecting an AC power clamp meter for industrial facilities and utility compliance in the GCC (DEWA, SEWA, ADDC, ADNOC), engineers evaluate five critical performance parameters:

Wide Power & Low-Current Resolution: Accurate power measurement from fractional loads (starting at 5 W and 60 mA) up to 360 kW in single-phase and 1080 kW in 3-phase 4-wire systems.
Single-Clamp Polyphase Calculation: Direct measurement of single-phase 2-wire/3-wire and balanced/unbalanced 3-phase 3-wire/4-wire power profiles without requiring complex, multi-lead wiring configurations.
Harmonic Distortion Analysis: Built-in detection of total harmonic distortion (THD) and individual harmonics from 1st to 30th order via the GENNECT Cross app to identify overheating neutrals and non-linear load stress.
Ruggedness for High-Ambient Sites: Certified to CAT IV 600 V / CAT III 1000 V safety standards, operating reliably in switchgear rooms with ambient temperatures ranging from -25°C to +65°C.
Wireless Data Logging: Optional plug-in Bluetooth adapter (Z3210) for seamless export to Excel direct input and GENNECT Cross mobile reporting.

Hioki CM3286-50 vs Legacy Hioki Power Clamps

Specification / Feature	Hioki CM3286-50 (Current Generation)	Hioki CM3286-01 (Previous Generation)	Hioki 3286-20 (Discontinued)
Wireless Connectivity	Modular (Optional Z3210 Adapter)	Built-in Bluetooth	None
Single-Phase Power Range	5 W to 360.0 kW (from 60 mA)	5 W to 360.0 kW (from 60 mA)	5 W to 360.0 kW
Three-Phase Power (Balanced 4W)	0.040 kW to 1080 kW	0.040 kW to 1080 kW	0.040 kW to 1080 kW
Harmonic Analysis	Up to 30th order (via GENNECT Cross)	Up to 30th order (via App)	Basic THD only
Operating Temperature	-25°C to 65°C (Extreme Site Rated)	-25°C to 65°C	0°C to 50°C
Safety Rating	CAT IV 600 V / CAT III 1000 V	CAT IV 600 V / CAT III 1000 V	CAT III 600 V

What’s Included in the Hioki CM3286-50 Box?

1x Hioki CM3286-50 AC Clamp Power Meter
1x Connection Cord L9257 Set (Red and Black)
1x Carrying Case C0203
2x LR03 Alkaline Batteries
1x Instruction Manual and Safety Notice
Optional Accessory (or CM3286-90 bundle): Wireless Adapter Z3210

Price in UAE and Procurement Guidelines

The total investment for the Hioki CM3286-50 in the UAE and GCC region depends on configuration choices, volume requirements, and compliance calibration services:

Standard Package (CM3286-50): Best suited for routine electrical troubleshooting where wireless logging is not immediately required.
Wireless Bundle (CM3286-90 / with Z3210): Recommended for maintenance contractors and energy auditors who require real-time report generation and direct Excel logging on site.
ISO/IEC 17025 Calibration: Traceable calibration certificates are available for companies undergoing DEWA, SEWA, ADNOC, or ISO quality management audits.

What is the difference between Hioki CM3286-50 and CM3286-01

The CM3286-01 featured built-in, fixed Bluetooth hardware. The updated CM3286-50 features a modular slot for the Z3210 wireless adapter. This modular design provides lower standby power consumption, faster data transfer to GENNECT Cross, and allows use in RF-restricted industrial zones by simply removing the adapter.

Can the Hioki CM3286-50 measure three-phase power using only one clamp

Yes. For balanced 3-phase circuits, the meter calculates total system active, reactive, and apparent power based on a single-phase clamp reading. For unbalanced 3-phase circuits, the meter guides the user through sequential phase measurements and automatically calculates total true power on-screen.

Is the CM3286-50 compliant with DEWA and SEWA electrical audit standards?

Yes. With its IEC 61010-1 CAT IV 600 V and CAT III 1000 V safety certification and True RMS measurement engine, the CM3286-50 meets all electrical safety and accuracy guidelines required by DEWA, SEWA, ADDC, and GCC utility inspection teams for main distribution boards (MDBs) and commercial panels.

Specifications

Specification	Details
Measured parameters	Voltage, current, active/reactive power, power factor, phase angle, frequency, phase sequence
AC voltage range	80.0 to 600.0 V; accuracy ±0.7% rdg. (45-66 Hz)
AC current range	0.060 to 600.0 A; accuracy ±1.3% rdg. (45-66 Hz)
Power range (single-phase)	0.005 to 360.0 kW; accuracy ±2.0% rdg.
Power range (3-phase 3-wire)	0.020 to 623.5 kW; accuracy ±3.0% rdg.
Power range (3-phase 4-wire)	0.040 to 1080 kW; accuracy ±2.0% rdg.
Dimensions	65 (W) × 241 (H) × 35 (D) mm
Mass	Approx. 450 g
Power supply	LR03 alkaline battery ×2

Datasheet

Download datasheetPDF

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1 review for Hioki CM3286-50 AC Clamp Power Meter

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mick – October 16, 2025

Rated 5 out of 5
The Hioki Cm3286-50 provides accurate and reliable power measurements in a compact and user-friendly design, perfect for both professionals and hobbyists.

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