OWON CM2100B 600V 100A Smart AC/DC Clamp Meter
OWON CM2100B Bluetooth Clamp Meter – AC/DC 100A
Compact and precise clamp ammeter for professional measurements up to 100A AC/DC with 1mA resolution. Features True RMS accuracy, NCV (non-contact voltage detection), VFC mode for variable frequency drives, and Bluetooth connectivity for real-time monitoring, data logging, and CSV export via mobile app. Lightweight design with backlit LCD, auto-range, and safety rating CAT III 1000V / CAT IV 600V. Ideal for electricians, maintenance, and field service work
OWON CM2100B Bluetooth Clamp Meter – Professional AC/DC Measurement up to 100A
The OWON CM2100B is a high-performance AC/DC clamp ammeter designed for technicians, electricians, and engineers who demand precision, safety, and modern connectivity. With True RMS measurement, 1mA resolution, and a maximum range of 100A AC/DC, this compact tool ensures reliable and accurate results in both industrial and household applications.
Why Choose the CM2100B?
The OWON CM2100B stands out from standard clamp meters by combining professional-grade accuracy with smart Bluetooth technology. Whether you are performing quick current checks, long-term logging, or remote monitoring, it ensures efficiency, safety, and flexibility.
Applications of the OWON CM2100B Clamp Meter
🔹 Electrical Installation & Maintenance
The CM2100B is ideal for electricians and service engineers working on residential, commercial, and industrial systems. With its CAT IV 600V safety rating, it’s safe for testing at the mains supply, distribution panels, feeders, and branch circuits. Its ability to measure both AC and DC makes it a versatile tool for everyday troubleshooting.
🔹 HVAC & Motor Control Systems
For HVAC technicians, the CM2100B provides reliable readings on compressors, pumps, and motor drives. Thanks to the VFC mode, it accurately measures variable frequency drive (VFD) outputs, ensuring correct operation and diagnosing faults in modern motor control systems.
🔹 Renewable Energy & Power Systems
With the global growth of solar, wind, and battery energy systems, the CM2100B is an essential tool for PV installers and power engineers. It measures both AC and DC current in solar inverters, battery storage units, and low-voltage DC circuits. True RMS capability ensures accurate results even under non-linear load conditions.
🔹 Field Service & Remote Monitoring
The built-in Bluetooth connectivity allows technicians to monitor live data from a safe distance, perfect when working in hazardous or hard-to-reach locations. Data logging and offline storage make it an efficient choice for long-term monitoring during site visits.
🔹 Education & Laboratory Use
For students, trainers, and researchers, the CM2100B offers a compact yet advanced measuring solution. With its multi-function capability (voltage, current, resistance, capacitance, frequency, duty cycle), it’s suitable for technical training labs and research environments where precision and versatility are essential.
Key Features of the OWON CM2100B Clamp Meter
🔹 Wide Measurement Range
The CM2100B supports AC/DC current measurement up to 100A with 1mA resolution, making it suitable for both small electronic circuits and higher power applications. It also measures voltage up to 600V, resistance up to 200MΩ, capacitance up to 20mF, and frequency up to 20MHz.
🔹 True RMS Accuracy
Unlike conventional meters, the CM2100B uses True RMS technology to provide highly accurate readings, even for non-sinusoidal or distorted waveforms often found in motor drives, switch-mode power supplies, and industrial equipment.
🔹 Advanced Safety Standards
With a CAT III 1000V and CAT IV 600V safety rating, this clamp meter ensures user protection when working on distribution panels, mains circuits, and industrial installations. Overload protection and insulated test leads provide extra safety confidence.
🔹 Bluetooth Connectivity & Mobile App
The built-in Bluetooth 4.0 module allows wireless connection to your smartphone or tablet. Using the free OWON iMeter app (iOS & Android), users can:
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View real-time measurements remotely
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Log and export data in CSV format
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Display data charts for trend analysis
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Perform remote control of measurement functions
This makes the CM2100B a modern solution for engineers who need mobility, safety, and smart data handling.
🔹 Data Logging & Offline Recording
The meter supports offline data recording up to 10,000 points, ideal for long-term measurements without constant supervision. Once reconnected, data can be transferred and analyzed, saving time in field applications.
🔹 Practical Utility Functions
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NCV (Non-Contact Voltage Detection) for fast AC voltage presence checks
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VFC Mode to measure variable frequency voltage and current reliably
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Zeroing Function for DC current measurements
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Hold, Min/Max Recording to capture fluctuating signals
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Backlit LCD Display for clear readings in low-light conditions
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Automatic Shutdown to extend battery life
🔹 Compact & Portable Design
Weighing only 0.19 kg and with a clamp opening of 17 mm, the CM2100B is lightweight, ergonomic, and designed for single-handed operation. The robust housing ensures durability for field and workshop use.
Accessories Included:
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Screwdriver ×1 (for battery compartment)
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Test Pen ×1 (test lead/probe)
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User’s Manual ×1
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AAA 1.5V Batteries ×2 (for immediate operation)
