
Kyoritsu 2300R Digital AC/DC Fork Current Tester
Kyoritsu KEW 2300R AC/DC Fork Current Tester is a compact True RMS current measuring instrument designed for fast electrical testing in crowded panels and tight spaces. It measures AC and DC current up to 100 A using an open fork design, supports conductors up to 10 mm diameter, and includes non contact AC voltage detection, one touch DC zero adjustment and CAT III 300 V safety compliance.
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A. Product Overview
The Kyoritsu KEW 2300R is a digital AC and DC fork current tester designed for electricians, maintenance technicians and industrial service professionals.
Its open fork design allows current measurement without opening and closing a conventional clamp jaw. This makes the instrument especially useful in crowded distribution boards, control panels and locations where access around the conductor is limited.
Key measurement and operating features include:
- AC current measurement up to 100 A
- DC current measurement up to 100 A
- True RMS measurement
- Non contact AC voltage detection
- One touch DC zero adjustment
- Support for conductors up to 10 mm diameter
- Automatic power off
- CAT III 300 V safety rating
The KEW 2300R combines portability with quick current testing for everyday electrical maintenance and troubleshooting.
B. Working Principle
The Kyoritsu KEW 2300R measures current by sensing the magnetic field produced around a current carrying conductor.
The conductor is positioned inside the open fork section of the tester. The internal sensing circuit detects the magnetic field and converts it into an electrical current value shown on the digital display.
For AC current, the True RMS measurement system helps provide reliable readings even when the waveform is not perfectly sinusoidal.
For DC current measurement, the one touch zero adjustment function allows the user to compensate for residual magnetic effects before taking a reading.
The non contact voltage detection function senses the presence of AC voltage without requiring direct electrical contact.
C. Why It Is Used
The Kyoritsu KEW 2300R is used for quick current checking in locations where conventional clamp meters may be inconvenient.
Common applications include:
- Measuring AC current
- Measuring DC current
- Checking current in electrical panels
- Testing conductors in crowded distribution boards
- Electrical maintenance
- Industrial troubleshooting
- Checking machine wiring
- Control panel inspection
- Detecting the presence of AC voltage
- Preventive maintenance
- Field service testing
- Load current checking
The fork design helps technicians perform measurements quickly because the conductor can be inserted directly into the open sensing area.
D. Suitable Buyers
The Kyoritsu KEW 2300R is suitable for:
- Electricians
- Electrical maintenance engineers
- Industrial maintenance technicians
- Electrical contractors
- Panel builders
- Control panel technicians
- Machine maintenance teams
- HVAC technicians
- Facility maintenance teams
- Industrial automation technicians
- Electrical service engineers
- Manufacturing plants
- Commercial building maintenance teams
- Electrical testing professionals
Frequently Asked Questions
1. What is the Kyoritsu KEW 2300R?
The Kyoritsu KEW 2300R is a digital fork current tester designed for measuring AC and DC current without disconnecting the conductor.
2. What is the current measurement range of the KEW 2300R?
The KEW 2300R can measure AC current and DC current up to 100 A.
3. Is the Kyoritsu KEW 2300R a True RMS tester?
Yes. It supports True RMS AC current measurement.
4. Can the KEW 2300R measure DC current?
Yes. It can measure DC current up to 100 A.
5. Can it measure AC current?
Yes. The KEW 2300R can measure AC current up to 100 A.
6. What is a fork current tester?
A fork current tester uses an open sensing jaw instead of a fully closing clamp. The conductor is inserted into the fork for current measurement.
7. What conductor size can the KEW 2300R accommodate?
It can be used with conductors up to approximately 10 mm in diameter.
8. Does the KEW 2300R have non contact voltage detection?
Yes. It includes a non contact AC voltage detection function.
9. What is the purpose of the DC zero adjustment?
The DC zero adjustment helps compensate for residual magnetic effects before DC current measurement.
10. Is the KEW 2300R suitable for crowded electrical panels?
Yes. Its compact open fork design is particularly useful in crowded distribution boards, connection boxes and control panels.
11. Does the KEW 2300R require the conductor to be disconnected?
No. Current can be measured by placing the conductor inside the fork sensing section.
12. What is the safety category of the KEW 2300R?
The Kyoritsu KEW 2300R complies with CAT III 300 V safety requirements.
13. Does the KEW 2300R have automatic power off?
Yes. It includes an automatic power off function.
14. Is the KEW 2300R suitable for industrial maintenance?
Yes. It is suitable for routine industrial electrical maintenance, current checking and troubleshooting.
15. Who should use the Kyoritsu KEW 2300R?
It is suitable for electricians, technicians, maintenance engineers, contractors, panel builders and industrial service professionals.
16. What is the main advantage of the KEW 2300R?
Its main advantage is the compact open fork design, which allows quick AC and DC current measurement in tight and crowded electrical locations.

