
Product Series : High Accuracy Clamp Current Sensor
Used for online detection of AC leakage current, AC current, phase, energy, power, power factor, and harmonics. Suitable for industrial test equipment such as multimeters, oscilloscopes, harmonic analyzers, and power fault analyzers.
Current range: AC 0.00mA to 30A/100A
Transformation ratio: 2500:1
Accuracy class: 0.5
Operating frequency: 10Hz to 100kHz
Voltage output: 1A/10mV (optional)
RoHS compliant
CE compliant
Can output current or voltage signals
Customization accepted
Product Introduction
1. Clamp-type structure, no power outage or disconnection required, making it easy to carry and particularly suitable for on-site online testing.
2. Permalloy core, stable performance, high precision, and strong anti-interference capabilities, making it suitable for complex interference environments.
3. Small-diameter design, suitable for confined spaces or locations with dense wiring.
4. Output current or voltage signals.
5. The transformer's range, ratio, and output interface can be customized to meet customer requirements.
6. Output Interface: Terminal: BNC plug, 4.0mm dual banana plug, 3.5mm audio plug, or bare wire tap (optional), cable length 1.5m.
7. Safety rating: CAT III 600V.
8. Operating temperature: -15°C to 50°C


Technical Parameters
Product Model | Product Image | Measurement Parameters | Reference Load | Jaw Size | External Dimensions | Weight |
ETCR EM015 | ![]() | Range:0.00mA~100A AC Accuracy Grade:0.5 Phase Error:≤2° Transformation Ratio:2500:1 Operating Frequency:10Hz~100kHz | 0~1A≤300Ω 0~10A≤30Ω 0~100A≤3Ω | 17mm×18mm | 47mm×92mm×26mm
| 156g
|
ETCR EM015V (Voltage type) | ![]() | Range:0.00mA~100A AC Accuracy Grade:1.0 Phase Error:≤2° Transformation Ratio:1A/10mV Operating Frequency:10Hz~100kHz | 17mm×18mm | 47mm×92mm×26mm
| 156g
| |
ETCR EM032 | ![]() | Range:0.00mA~100A AC Accuracy Grade:0.5 Phase Error:≤2° Transformation Ratio:2500:1 Operating Frequency:10Hz~100kHz | 0~1A≤300Ω 0~10A≤30Ω 0~100A≤3Ω | 32mm×42mm | 75mm×144mm×33mm | 180g
|
ETCR EM032V (Voltage type) | ![]() | Range:0.00mA~100A AC Accuracy Grade:1.0 Phase Error:≤2° Transformation Ratio:1A/10mV Operating Frequency:10Hz~100kHz | 32mm×42mm | 75mm×144mm×33mm | 180g
|
Model Comparison
Product Video