KEW 8135 - Measuring device Kyoritsu - Free user manual and instructions
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| Product Type | AC Clamp Sensor |
| Brand | Kyoritsu |
| Model | KEW 8135 |
| Measurement Type | AC Current |
| Measurement Range | Up to 1000 A |
| Output Signal | AC voltage proportional to current (1 mV/A) |
| Frequency Range | 45 to 65 Hz |
| Accuracy | ±1.0% of reading ± 0.5 mV |
| Maximum Conductor Diameter | 50 mm |
| Cable Length | 2 meters |
| Power Supply | None (passive sensor) |
| Operating Temperature | 0 °C to 50 °C |
| Storage Temperature | -20 °C to 60 °C |
| Safety Rating | CAT III 600 V |
| Dimensions | 150 × 60 × 30 mm |
| Weight | Approximately 300 g |
| Compatibility | Works with Kyoritsu multimeters and data loggers |
| Maintenance | Wipe with a soft dry cloth |
| Cleanliness | Do not use solvents or abrasive cleaners |
| Repair and Replacement | No user-serviceable parts; contact an authorized service center |
| Included Accessories | Carrying case, instruction manual |
Frequently Asked Questions - KEW 8135 Kyoritsu
How do I connect the KEW 8135 to my multimeter?
Connect the output cable to the AC voltage input of your multimeter. Select the appropriate AC voltage range (e.g., 200 mV or 2 V) and read the measured current based on the 1 mV/A sensitivity.
How do I measure leakage current with the KEW 8135?
Clamp the sensor around the ground conductor or the combined neutral and live wires. The sensor detects the unbalanced current and provides an output voltage proportional to the leakage current. Use the formula in the manual to convert the reading.
What is the maximum current I can measure?
The KEW 8135 measures currents up to 1000 A AC for short periods. For continuous measurement, keep within 80% of the maximum range to avoid overheating.
Does the KEW 8135 measure DC current?
No, the KEW 8135 is designed for AC current measurement only. For DC current, consider a Hall-effect sensor like the KEW 8136.
How do I maintain and clean the sensor?
Wipe the sensor with a soft, dry cloth to remove dust and dirt. Do not use water, solvents, or abrasive cleaners that may damage the insulation or operating mechanism.
What safety precautions should I take when using the KEW 8135?
Always follow CAT III 600 V safety rules. Do not use the sensor on conductors carrying more than 600 V. Ensure hands and leads are dry, and use insulated gloves when working near live circuits.
What is the accuracy of the KEW 8135?
The accuracy is ±1.0% of reading plus ±0.5 mV for frequencies between 45 and 65 Hz. This ensures reliable measurements in standard mains environments.
Can I use the KEW 8135 with other brands of instruments?
Yes, as long as the instrument has an AC voltage input with appropriate sensitivity. The output is a low-voltage signal, so the input impedance should be at least 1 MΩ.
Does the KEW 8135 require a battery?
No, the KEW 8135 is a passive current transformer that generates a voltage output from the measured current. It requires no external power supply.
What should I do if the sensor is damaged or not working?
Do not attempt to repair the sensor yourself. Contact an authorized Kyoritsu service center for inspection and repair. Damaged sensors can compromise safety and measurement accuracy.
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USER MANUAL KEW 8135 Kyoritsu
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Product information
Brand : Kyoritsu
Model : KEW 8135
Category : Measuring device