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Kyoritsu Electrical Instruments Works, Ltd.

ホーム
日本
Meguro-ku, Tokyo
Kyoritsu Electrical Instruments Works, Ltd.

Since its founding in1940, we have made customer satisfaction and providing high quality products.

29/05/2026

We are pleased to announce that the latest 2026 Shortform Catalog is now complete and available on our official website.

Currently, only the English version is published, but multilingual editions are planned for future release.
We hope you look forward to it!
https://bit.ly/49WWOip

#2026
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*We are afraid we are not able to reply to any comments.
Please contact us by clicking “Inquiry Button” at the top of our page.

25/05/2026

Your case will be one of official case studies

Please share your experiences using our products or service on our website!
We are pleasure to hear your comments, for example, "I had a problem with [xx], so I adopted Kyoritsu product and it worked out great with [yy]".
Goods with Kyoritsu own design will be sent to everyone who participated in this campaign.

Deadline for May application is approaching.
URL: https://u.kew-ltd.co.jp/pdrhw9

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*We are afraid we are not able to reply to any comments.
Please contact us by clicking “Inquiry Button” at the top of our page.

22/05/2026

Pen Style Insulation/ Earth Tester KEW 6041BT

Dedicated application “KEW Smart Advanced” makes possible the direct input a measurement value into Excel form created by user themselves!

Discover the KEW 6041BT:
https://bit.ly/4noc6Cx

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*We are afraid we are not able to reply to any comments.
Please contact us by clicking “Inquiry Button” at the top of our page.

17/05/2026

Pen Style Insulation/Earth Tester KEW 6041BT

Using KEW 6041BT leads to following benefits.
・Reducing the products and load you carry
・Reducing the concerns of measurement accident
・Improving the efficiency of measurement work

Discover the KEW 6041BT:
https://bit.ly/4npGso5

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*We are afraid we are not able to reply to any comments.
Please contact us by clicking “Inquiry Button” at the top of our page.

15/05/2026

Enhanced KEW Smart Advanced

Until now, the template sheets available on the report creation function were only in Japanese but from Ver. 3.1.10, the English samples have been added!
We hope this enhancement helps support your work.
Please check it out!

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*We are afraid we are not able to reply to any comments.
Please contact us by clicking “Inquiry Button” at the top of our page.

07/05/2026

Be released from test lead problems! Three testing functions in a palm sized tester

Our new model, INSULATION EARTH TESTER KEW 6041BT, went on sale on May 7, 2026.
・Possible to measure line voltage up to 440 V
・Small test current of 2 mA or less prevents unintentional RCD trip. (on EARTH function)
・Live circuit warning (on INSULATION and EARTH functions)
・Comparator function with audible warning
・Setting customization via app
・Enable/disable unnecessary functions or ranges.
Any desired max displayed value and threshold value for comparator are selectable.
・Replaceable 4-type of metal tips are available.
Standard, long, and molded metal tips (accessories)
L-shaped probe useful in high place measurement (optional accessory)
・Bluetooth communication
・Save the measured values in tablets or smartphones.

Please click the link below to see the details of this tester.
https://bit.ly/4spZueW

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*We are afraid we are not able to reply to any comments.
Please contact us by clicking “Inquiry Button” at the top of our page.

04/05/2026

Palm-sized insulation and earth tester

Using KEW 6041BT leads to following benefits.
・Reducing the products and load you carry
・Reducing the concerns of measurement accident
・Improving the efficiency of measurement work

Accident during measurement
e.g.：RCD trips due to misconnection at the simplified earthing system!

Safety design which can avoid occurring the short circuit accident and RCD tripping even in the case connecting to live circuit while measuring!

Automatically interrupt measurement even if accidentally pushed the test button with live circuit.
A test current of 2 mA or less will avoid tripping the RCD.

Discover the KEW 6041BT:
https://bit.ly/3Orn25m

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*We are afraid we are not able to reply to any comments.
Please contact us by clicking “Inquiry Button” at the top of our page.

01/05/2026

Palm-sized insulation and earth tester

Using KEW 6041BT leads to following benefits.
・Reducing the products and load you carry
・Reducing the concerns of measurement accident
・Improving the efficiency of measurement work

Accident during measurement
e.g.：Concentrating on seeing the measured value on display may cause your hand to slip and leads to a short circuit accident!

The pen-shaped design which integrates test lead and display allows users to accurately connect to the position on the measurement point while checking the readings!!

Please click the link below to see the details of this tester.
https://bit.ly/4sWjxBN

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*We are afraid we are not able to reply to any comments.
Please contact us by clicking “Inquiry Button” at the top of our page.

28/04/2026

The Kyoritsu KEW 6516/6516BT multi function installation testers are an indispensable tool for ensuring safety, reliability, and compliance in electrical systems. Their versatility, ease of use, accuracy, and comprehensive features make them an excellent choice for professionals who want to streamline testing processes, adhere to standards, and diagnose issues effectively.

By combining multiple testing capabilities into one unit, the Kyoritsu KEW 6516/6516BT reduce the need to purchase and maintain separate devices for each testing function. This saves money and reduces the complexity of inventory management.

And by using our optional KEW 8601/8602 EVSE adapter, it is possible to test EV chargers.

KEW 6516: https://bit.ly/4vnd6KB
KEW 6516BT: https://bit.ly/3O7G0xF
KEW 8601: https://bit.ly/4vjpjzQ
KEW 8602: https://bit.ly/4vDRbz9

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*We are afraid we are not able to reply to any comments.
Please contact us by clicking “Inquiry Button” at the top of our page.

24/04/2026

The KEW 6041BT helps make insulation testing more efficient in daily work.

With its compact design and practical functionality, it supports smarter operation on site — helping professionals work with greater speed and convenience.

Key features for insulation testing:
・4 ranges (50/125/250/500 V)
・Warning with red LCD backlight for high voltage 500 V range
・Auto-discharge function
・Live circuit warning
・Comparator function

And beyond insulation testing, it also handles simplified earth resistance testing (based on 2-pole method) and voltage measurement in one unit.

Please click the link below to see the details of this tester.
https://bit.ly/4sSaGRI

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*We are afraid we are not able to reply to any comments.
Please contact us by clicking “Inquiry Button” at the top of our page.

住所

Meguro-ku, Tokyo
152-0031