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checker Product List and Ranking from 43 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.

checker Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.

  1. null/null
  2. null/null
  3. ジェーディーエルエンジニアリング Kanagawa//Consumer Electronics
  4. 4 JFEプラントエンジ Tokyo//others
  5. 5 東洋精機製作所 Tokyo//Testing, Analysis and Measurement
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checker Product ranking

Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.

  1. [Poka-Yoke Example] Prevention of Half-Locking of Connectors
  2. Sewage Pipe Inspection Checker "Toru-kun" ジェーディーエルエンジニアリング
  3. High-precision mass inspection machine Weight Checker DACS-GN
  4. 4 Digital Oil Checker "Wendy" JFEプラントエンジ
  5. 5 Tackiness Checker HTC-1 (Portable Tack Tester) 東洋精機製作所

checker Product List

136～150 item / All 425 items

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DC power supply polarity checker

DC power supply polarity checker

Visualization of polarity enables efficient work! The adoption of high-brightness LEDs makes it easy to see even outdoors.

Our company offers a "DC Power Polarity Checker" that helps prevent accidents caused by incorrect connections of DC power supplies by instantly confirming polarity through light color. It can safely confirm polarity for a wide range of devices, including -48V specifications such as rectifiers and batteries for communication equipment, as well as 12V to 24V specifications for trucks and passenger cars. Additionally, it features high-brightness LEDs that provide excellent visibility even during outdoor daytime work. 【Features】 ■ Long lifespan with high-brightness LEDs ■ The positive terminal lights up "red" and the negative terminal lights up "blue," even when the measuring rod is switched. *For more details, please refer to the related links or feel free to contact us.

  • Other electronic measuring instruments

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[Commercial Use] NSS Alcohol Checker System

[Commercial Use] NSS Alcohol Checker System

Automatically compile and record measurement results! Centralized management via network is also possible! The NSS Alcohol Checker System assists with efficient operation and management.

Our alcohol checker system allows for high-precision "breath alcohol testing" and "body surface temperature measurement." It efficiently manages not only the measurement information of the subjects but also the company vehicles used, all through data. Additionally, information from multiple locations can be managed collectively with a single computer. We support the duties of safety driving managers and assist in efficient operation and management. 【Features】 - High-precision "electrochemical sensor" adopted - Automatic data recording of measurement results - Data exportable - Equipped with a printer - Capable of measuring body surface temperature - Data management of both the subjects being tested and the vehicles used - Prevention of impersonation through facial recognition - Operable and manageable via computer - Bulk management of multiple locations

  • Surveillance Cameras
  • Surveillance Camera System
  • Thermometer

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Digital Level Checker 'SLC-300K'

Digital Level Checker 'SLC-300K'

Compact and lightweight, easy to measure! Handheld type with backlight function.

The "SLC-300K" is a digital level checker compatible with 4K and 8K satellite broadcasting. It allows you to scan channels during measurement, eliminating the hassle of checking channels. You can import the saved measurement data (CSV) from the included microSD card to your PC. Additionally, by using the data organization software, document creation can be easily accomplished. 【Features】 ■ Built-in channel scan function ■ Backlight function ■ Saves measurement data to the included microSD card ■ Can supply power to the antenna ■ Capable of measuring 4K and 8K ■ Notifies reception environment through screen display and sound *For more details, please download the PDF or feel free to contact us.

  • Level gauges and level switches

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Solar Cell Checker 'PV-757'

Solar Cell Checker 'PV-757'

Measure power generation with just this one unit! It's an ideal checker for demonstrations.

The "PV-757" is a solar cell checker that allows you to check the current power generation (W), cumulative energy (kWh), and total generation time with this device alone. It is equipped with a simplified MPPT. When used with our "DEMO-W2," it can be displayed in a large format, making it suitable for demonstrations. (Please let us know as a pulse output terminal is required.) 【Features】 ■ Measurement and display can be done with this product alone ■ Simply connect two wires from the solar cell output ■ No external power supply is needed ■ Operates on the power of the solar cell (however, a power supply is required for a large display) ■ Utilizes the power measurement circuit of our DC power meter (DW-777) *For more details, please refer to the PDF materials or feel free to contact us.

  • Solar power generator

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[Explanatory Material] Mandatory Alcohol Checks

[Explanatory Material] Mandatory Alcohol Checks

Anyone can understand! I will introduce the "mandatory alcohol check."

Companies that conduct business using vehicles are required to perform alcohol checks on drivers. Previously, this obligation applied only to companies with green-numbered vehicles, but starting in April 2022, it has also been mandated for companies with white-numbered vehicles. This document provides an overview of alcohol checks, the reasons for the expansion of the obligation, and the current state of the obligation. We will explain it in a way that is easy for anyone to understand, so please be sure to read to the end. 【Contents】 ■ Alcohol checks have been conducted since 2011 ■ Reasons for the expansion of the scope of alcohol checks ■ The expansion of the obligation for alcohol checks is in two phases ■ Summary *For more details, please refer to the PDF document or feel free to contact us.

  • others

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Multi Checker "Ultra"

Multi Checker "Ultra"

Equipped with a communication function output port RS485! The checker has been reborn in a compact form.

"Ultra" serves as a terminal device by connecting to a computer, facilitating line integration, and providing immediate support for single headers, double headers, and multi-stage homers. It is a compact and excellent high-performance checker. To accommodate production management via computer, it is equipped with a communication function output port RS485. It not only boasts superior detection accuracy but also prioritizes ease of use to minimize operator burden. 【Features】 ■ Existing headers and farmer machines can become terminal devices for computers ■ Equipped with communication function output port RS485 ■ ID No., lot No., and Job No. can be INPUT to the host computer ■ Superior detection accuracy ■ User-friendly design that does not burden the operator *For more details, please refer to the PDF materials or feel free to contact us.

  • Visual Inspection Equipment
  • Other inspection equipment and devices

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Surge Checker A

Surge Checker A

A surge current measuring device that is easy to use and offers excellent cost performance.

In the event of a failure caused by lightning strikes, the operation check of the surge checker that detects lightning within the range allows for the rapid identification of failure points caused by lightning. It can be installed and replaced simply by attaching it while the line is live, without cutting the ground wire or causing a power outage, making it easy for anyone to use with a straightforward method. Since it does not require a battery for operation, maintenance of the machine itself is unnecessary. It can be used as a criterion for verifying surge currents and determining the priority of inspections needed for equipment. The Surge Checker A is a reusable physical operation indicator that operates with an 8/20μs waveform. It is a product that offers a reasonable price and high reliability.

  • Ammeter
  • Other electric meters

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Alcohol Checker ZT-100

Alcohol Checker ZT-100

In stock and available for immediate delivery alcohol checker.

It is an accurate and easy-to-use alcohol checker.

  • Other measurement, recording and measuring instruments

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Seal Checker "SCK10"

Seal Checker "SCK10"

For the safety and security of seal-packaged products, a complete inspection!

The "SCK10" is a seal checker capable of conducting a complete inspection of the safety and security of sealed packaged products. It can inspect up to a maximum of 100 items per minute (adjustable). The checks are performed by counting the pulse amount using a rotary encoder. *For more details, please download the PDF or feel free to contact us.

  • Sealing machine
  • Visual Inspection Equipment

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Communication Checker "TesBee"

Communication Checker "TesBee"

Check the reception status before setting up the wireless IEEE 802.15.4, serving three roles in one device!

"TesBee" is a communication checker that allows you to check the reception status of the world standard for short-range wireless networks, IEEE 802.15.4 (2.4GHz band). By simply turning on the power of the coordinator and router, it becomes a reception level meter, and the reception level will be displayed on the LED after a few seconds. It can also be easily used as an introductory unit. 【Product Lineup】 ■ Basic Set ・ 1 Coordinator ・ 1 Router ■ Additional Router *For more details, please download the PDF or feel free to contact us.

  • Electrical Instruments/Electrometers
  • Other measurement, recording and measuring instruments

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Lubricating Oil Iron Powder Concentration Checker 'SDM-73' [Rental]

Lubricating Oil Iron Powder Concentration Checker 'SDM-73' [Rental]

Just insert the sample oil! An easy-to-use lubricant iron powder concentration checker.

At I-Soki Co., Ltd., we offer rental services for measuring instruments. The 'SDM-73' is a lubricant iron powder concentration checker that can easily diagnose the wear condition of bearings from ultra-low speed machines (below 100 rpm) to high-speed machines. It allows for easy measurement by simply inserting a sample oil. It is effective for diagnosing bearings in low-speed and variable-speed machines. Additionally, it has a minimum resolution of 1 ppm (Wt) and can detect trace amounts. 【Features】 ■ A lubricant iron powder concentration checker that can easily diagnose the wear condition of bearings ■ Effective for diagnosing bearings in low-speed and variable-speed machines ■ Easy measurement by simply inserting a sample oil ■ Portable (weighing 480g), allowing for on-site measurements ■ Minimum resolution of 1 ppm (Wt), capable of trace detection *For more details, please refer to the PDF document or feel free to contact us.

  • Rental/lease
  • Other electric meters

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Multi Checker "MK-730" [Rental]

Multi Checker "MK-730" [Rental]

Detect abnormalities in rotating machinery, piping, and power distribution equipment! Introducing the multi-checker that serves three functions in one device.

The "MK-730" is a multi-checker equipped with live mode frequency analysis capabilities. It can measure ultrasonic sounds associated with air leaks, detect abnormal sounds in bearings, and identify corona discharge. It allows for data transfer via a USB cable and enables listening to discharge conditions through headphones. 【Features】 ■ Ensures a directional sensitivity of ±8° (for ultrasonic measurement) ■ A laser pointer indicates the sound source ■ Capable of recording measurement data (component ratios, waveforms, FFT data) ■ Allows data transfer via a USB cable ■ Enables listening to discharge conditions through headphones *For more details, please refer to the PDF document or feel free to contact us.

  • Rental/lease
  • Other measurement, recording and measuring instruments

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