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checker Product List and Ranking from 210 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Dec 24, 2025～Jan 20, 2026
This ranking is based on the number of page views on our site.

checker Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Dec 24, 2025～Jan 20, 2026
This ranking is based on the number of page views on our site.

  1. ミタチ産業 Aichi//Trading company/Wholesale
  2. null/null
  3. JFEプラントエンジ Tokyo//others
  4. 4 null/null
  5. 4 ジェーディーエルエンジニアリング Kanagawa//Consumer Electronics
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checker Product ranking

Last Updated： Aggregation Period:Dec 24, 2025～Jan 20, 2026
This ranking is based on the number of page views on our site.

  1. Alcohol Check Cloud Management "Alporter" ミタチ産業
  2. [Poka-Yoke Example] Prevention of Half-Locking of Connectors
  3. Digital Oil Checker "Wendy" JFEプラントエンジ
  4. 4 Sewage Pipe Inspection Checker "Toru-kun" ジェーディーエルエンジニアリング
  5. 5 High-precision mass inspection machine Weight Checker DACS-GN

checker Product List

256～270 item / All 432 items

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LED Hole Checker for Visual Inspection of Processed Hole Inner Surfaces

LED Hole Checker for Visual Inspection of Processed Hole Inner Surfaces

Two functions in one device! Assists in visual inspection of processed holes! The head can be removed and used as an LED light!

The LED hole checker can be used as a tool for visually checking surface roughness and burrs after hole processing in various materials, as well as illuminating dark and narrow areas that are difficult to see with a flashlight. Instead of using fragile bulbs, it employs flexible optical fiber that can illuminate the sides brightly. The fiber can be cut to the desired length with a cutter to match the depth of the holes. The head can be removed for use as an LED light. 【Features】 ■ The head section uses optical fiber ■ Improved durability compared to conventional models ■ Fiber can be cut with a cutter ■ Head is replaceable ■ Can be used as an LED light when the head is removed *For more details, please download the catalog or contact us.

  • Other work tools

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Ion checker

Ion checker

Anyone can easily check ions.

The Model 7929 ion sensor can detect ions emitted from the ionizer (ion generator) of the static electricity removal system. When it senses ions, the tip of the ion sensor glows red and an alarm sounds.

  • Air purifiers
  • Static electricity eliminator

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LED Visual Transmission Rate Checker TLV-305-LC

LED Visual Transmission Rate Checker TLV-305-LC

This is a checker that quickly displays transmittance values close to the perception of the human eye.

This is a compact transmittance checker that uses a white LED as the light source. It is equipped with a correction filter that approximates the light sensitivity curve to measure transmittance in values close to human visual perception. Measurement can be performed simply by placing a sample on the stage after calibration. It is an ideal checker for inspection processes that require rapid measurement and for those who wish to quantify and manage transmittance. <Related Models> ● TLV-305-BP: Measures with a visible bandpass filter attached ● TLV-305-IR: Measures using a near-infrared LED (940nm)

  • Testing Equipment and Devices

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Tube Punk Checker

Tube Punk Checker

The compact design is ideal for a wide variety of small lots!

The tube puncture checker features a compact design, making it ideal for a variety of small lots. The press roller speed ranges from 0.5 to 4.5 m/min. The maximum product transfer speed is 25 pieces per minute. For more details, please download the catalog or contact us.

  • Analytical Equipment and Devices

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Concrete Guard Checker "CGC-01"

Concrete Guard Checker "CGC-01"

Inspection device for construction management of permeable concrete protective materials.

The "CGC-01" is a dedicated inspection device for the testing and management of penetrating concrete protective agents. (Research Institute) Civil Engineering Research Institute Document No. 4186, Supplementary Document-3 In accordance with the "Method for Determining the Application of Penetrating Concrete Protective Agents (Draft)." It is capable of inspecting concrete surfaces coated with silane/siloxane-based and silane/fluorine-based penetrating concrete protective agents. 【Specifications】 ■ Judgment Method: Direct Current Electrical Resistance Method ■ Display Method: LCD display with hold function and battery level indicator ■ Power Supply: Four AA alkaline batteries (1.5V) with auto power-off ■ Operating Temperature: 0 to 40°C (must not condense) ■ Dimensions and Weight: 80 (W) x 35 (H) x 150 (D) mm, 300g *For more details, please refer to the PDF document or feel free to contact us.

  • Other electric meters
  • Other inspection equipment and devices

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Tesla Lamp Checker "HF-20"

Tesla Lamp Checker "HF-20"

A leak checker that can be used for determining the sealing gas and for the glass parts of vacuum devices.

The "HF-20" is a high-frequency, high-voltage lamp checker that uses a Tesla coil. With transistor oscillation, the frequency is stable, allowing for reliable work. It is suitable for detecting leaks in light bulbs and electronic tubes, determining the presence of enclosed gases, as well as detecting leaks in glass ampoules and the glass parts of vacuum devices, and assessing enclosed gases. 【Features】 ■ Uses a Tesla coil ■ Frequency stability with transistor oscillation ■ Enables reliable work ■ Ideal for leak detection in light bulbs and electronic tubes *For more details, please refer to the PDF document or feel free to contact us.

  • Other inspection equipment and devices
  • Defect Inspection Equipment
  • Other measurement, recording and measuring instruments

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Flat Cable Checker "KE8001"

Flat Cable Checker "KE8001"

Simple Cable Checker: A checker specialized for testing crimp-type flat cables. *Focused only on necessary functions to achieve a low price.

A cable checker that simplifies inspections such as checking the connections of pressure-welded cables and harnesses. We keep the price down by narrowing down the compatible connectors. It is intended for use as a simple harness checker. Existing harness checkers are multifunctional but expensive, and many responsible individuals may find it troublesome to purchase due to unnecessary connectors or functions. In such cases, this harness checker allows for efficient checks with only the minimum necessary functions. *The types of connectors can be changed according to your preferences, so please feel free to contact us. *Currently, the market circulation of electronic components has worsened, affecting the production of our products. We are producing as components become available, but depending on the situation, there may be no clear timeline for delivery. We apologize for the inconvenience and ask for your understanding when making inquiries.

  • サブ写真.JPG
  • cable
  • Testing Equipment and Devices
  • Image Processing Equipment

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Digital Torque Checker DTC Series

Digital Torque Checker DTC Series

Digital Torque Checker DTC Series

This is a simple and low-cost torque checker. With a wide variety of models available, you can choose the appropriate measurement range according to the measured torque, from 1 N·cm (0.1 kgf·cm) to 20 N·m (200 kgf·cm) across a total of eight models. The measured torque values comply with the torque data of the torque analyzer (torque analysis system).

  • Other measurement, recording and measuring instruments

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General Manual Checker "CSCRD"

General Manual Checker "CSCRD"

Lightweight design and compact! Offering open short inspection machines at a low cost!

A reliable long seller that keeps costs down! The general manual checker 'CSCRD' is an open short inspection machine that allows for height adjustments to match the jig. With a simple mechanism that excels in durability and easy maintenance! The lever's operating angle is just 45 degrees, making it user-friendly. Additionally, you can choose between an up-type and a down-type movable board. 【Features】 ■ Height adjustment to match the jig is possible ■ Movable board available in up-type and down-type ■ The main body and board are compatible, making it suitable for checking in small-batch production of various types ■ An optional micro switch for test start can be installed *For more details, please contact us or download the PDF. *We are offering a comprehensive catalog. Please feel free to request it.

  • Other inspection equipment and devices

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High-precision manual checker "CHARD"

High-precision manual checker "CHARD"

Easy to carry! Lightweight design at just 4kg!

The high-precision manual checker 'CHARD' is a compact, small manual checker. Weighing only 4 kg, it is lightweight and easy to carry. The repeat position accuracy of the probe pin tip is ultra-high precision at ±0.03 mm or less! Thanks to the specifications of the ultra-small probe pin, it can measure patterns with a pitch of 0.4 mm. 【Features】 ■ Compact mini press design ■ Lightweight at 4 kg ■ Easy to carry ■ Excellent durability using LM guides ■ Optional XYθ table and micro S/W for tester start can be installed *For more details, please contact us or download the PDF. *We are offering a comprehensive catalog. Please feel free to request it.

  • Other inspection equipment and devices

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Single-Sided Monitor Alignment Checker 'MZ-151A'

Single-Sided Monitor Alignment Checker 'MZ-151A'

This is an open-short testing machine suitable for prototype, small quantity, and fine substrates!

The one-sided monitor alignment checker 'MZ-151A' is an open-short testing machine suitable for fine, multi-layer substrates. By manually aligning the substrate pattern with the hairline on the monitor, precise positioning for accurate contact can be achieved. It is a small, compact design, and a tabletop inspection machine. It strongly supports the efficiency of substrate inspection and quality improvement! 【Features】 ■ Aligns measurement position using the hairline on the monitor ■ Compact and tabletop design *For more details, please contact us or download the PDF. *We are providing a comprehensive catalog. Please feel free to request it.

  • Other inspection equipment and devices

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Color Checker XTP-04

Color Checker XTP-04

Display good/bad judgment results with sound and LED!

This product is a self-developed item. It is also possible to change the specifications according to customer requests, so please feel free to consult with us.

  • Company：TCK
  • Price：Other
  • Image Processing Equipment
  • Other optical parts

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Color Checker "XTP-04"

Color Checker "XTP-04"

Display good/bad judgment results with sound and LED!

The "XTP-04" is a compact, low-cost color checker that is ideal for chromaticity and luminance relative measurement comparisons. Good/bad judgment results can be recognized through alarms/LED indicators. It is a product for quality inspection of LCD backlight panels. Additionally, this product is self-developed. It is also possible to modify the specifications according to customer requests, so please feel free to consult us. 【Features】 ■ Compact and low-cost ■ High-precision comparison inspection with reference panel values ■ Uses RGB color sensor ■ Manual/PC remote measurement ■ USB IF compatible (operates on USB power) *For more details, please contact us or download the catalog.

  • Company：TCK
  • Price：Other
  • Other appearance and image inspection equipment
  • Optical Components

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Monthly pH Checker for Wastewater Treatment

Monthly pH Checker for Wastewater Treatment

Just by soaking, pH fluctuations can be continuously monitored for one month! A special technology that changes color repeatedly is employed.

The "Monthly pH Checker" is a product that requires no power and can be installed anywhere. Typically, pH test strips and similar products stop reacting after a single measurement, but this product changes color repeatedly with fluctuations in pH, allowing for reuse. As a result, it enables continuous pH monitoring and inspection for a month, facilitating efficiency in operations at various inspection points and improving visibility, which allows for early detection of pH fluctuations. 【Lineup】 ■ For confirming alkalinity: A type that reacts only to alkalinity ■ For confirming acidity: A type that reacts only to acidity ■ For daily inspections: Changes color in three stages from acidic to alkaline *For more details, please refer to the PDF document or feel free to contact us.

  • Other consumables

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EZ Oil Cleanliness Checker

EZ Oil Cleanliness Checker

Oil cleanliness (NAS grade/ISO) simple checker

The EZ Oil Cleanliness Checker from Israel I.H.S. is an analog cleanliness checker developed for managing the oil cleanliness of military vehicles/equipment exposed to harsh operating environments. Its greatest feature is that it allows for easy measurement of oil cleanliness on-site in a short amount of time. For more details, please contact us.

  • Analytical Equipment and Devices
  • Other environmental analysis equipment
  • Other measurement, recording and measuring instruments

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