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  6. Portable MOF Ratio Error Testing Machine (Tester) 'KZE-MOF'

Portable MOF Ratio Error Testing Machine (Tester) 'KZE-MOF'

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KZE-MOF

last updated:Aug 12, 2025

光星計測器(LIGHTSTAR) LIGHTSTAR JAPAN 日本法人事務所(大阪)
光星計測器(LIGHTSTAR) LIGHTSTAR JAPAN 日本法人事務所(大阪)
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Tester for measuring the ratio error of current ★★★ Instruments for distribution boards, control panels, distribution panels, and panels.

The high-voltage MOF is used to measure the ratio error between primary and secondary currents while energized, and it has a function for determining the phase alignment between the primary and secondary currents, which helps reduce inspection time. Features: - Primary current detection unit: Wirelessly transmits the current value from the primary line (high voltage). The error range is minimized in three stages based on the current magnitude: 4A/40A/200A. - Secondary current detection unit: A device that transmits current to the main unit via wired connection, always set to a measurement range of 4A, with three units that can simultaneously connect R phase (yellow), S phase (brown), and T phase (black). - Main unit: Utilizes the primary/secondary current detection units to collect data, synchronize time, and perform calculations. Based on the results, it alerts the user to the presence or absence of issues with the MOF, allowing for the display, storage, and output of various data. Inspection data is presented in detailed values including measured values, ratio error values, C.T. ratios, etc., and can be stored for up to 10 entries. MOF Current Ratio Error Tester For inquiries, please contact "lightstar_1979@yahoo.co.jp".

    Substation equipmentPower distribution and control panelsOther measuring instruments
KZE.JPG

Portable MOF Ratio Error Testing Machine (Tester) 'KZE-MOF'

KZE.JPG
KZE.JPG
  • Related Link - http://www.lightstar.co.jp/product/view&idx=52

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basic information

Primary Current Detection Unit ● Measurement Range: AC 0.25~5A (4A), AC 2.5~50A (40A), AC 25~200A (200A) ● Precision: ±1.0% F.S ±2 digits ● Temperature: -10℃~50℃ ● Output: Wireless (Bluetooth) communication 5000 digits ● Auxiliary Power: DC 6V (1.5V AA alkaline batteries 4EA: 5 hours) ● Dimensions: Width 75× Height 300× Depth 40 mm / 23ø, Width 100× Height 400× Depth 50 mm / 45ø Secondary Current Detection Unit ● Measurement Range: AC 0.25~5A (4A) ● Precision: ±1.0% F.S ±2 digits ● Temperature: -10℃~50℃ ● Input Wire Length: 2.5mm ● Dimensions: Width 40× Height 100× Depth 20 mm / 18 x 18 (Inside) Main Unit ● Input: Primary Current: Wireless communication 1EA, Secondary Current: AC 500㎷/5A 3EA ● Auxiliary Power: DC 5V (Internal lithium-ion rechargeable battery - Continuous use time: 5 hours) ● Maximum Precision: ±2.0% F.S ±2 digits ● Dimensions: Width 330× Height 440× Depth 170 mm ● Weight: 10kg

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KZE-MOF: Please contact us directly.

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Applications/Examples of results

This device is used to measure the ratio error between primary and secondary currents in a live state of high-voltage MOF, and it has a function for determining the in-phase relationship between primary and secondary currents, allowing for a reduction in inspection time.

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Model number overview
KZE-MOF ・Input: Primary current: Wireless communication 1EA, Secondary current: AC 500㎷/5A 3EA ・Auxiliary power supply: DC 5V (Internal lithium-ion battery charging exterior - Continuous usage time: 5 hours) ・Maximum precision: ±2.0% F.S±2 digit ・Dimensions: Width 330× Height 440× Depth 170 mm ・Weight: 10000g

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Portable MOF Ratio Error Testing Machine (Tester) 'KZE-MOF'

Portable MOF Ratio Error Testing Machine (Tester) 'KZE-MOF'

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Company information

光星計測器(LIGHTSTAR)

光星計測器(LIGHTSTAR) LIGHTSTAR JAPAN 日本法人事務所(大阪)

Electrical equipment construction business

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Our company was founded in 1979 and has grown into a manufacturer of products that can observe electrical data through early analog instruments, digital meters, wireless, and the internet. This development is driven by the strong will of our employees to walk alongside our customers. Additionally, we are committed to thorough customer-centric operations while actively investing in technological development at our affiliated research institute. We strive to meet our customers' diverse needs through more differentiated services. In our case, we have become well-known in South Korea for our measuring instruments (analog, digital meters, and CT, VT). We have been exporting to Japanese companies for over a decade, and we have registered with Ipros to introduce our products to more Japanese customers. In 2022, we registered as a corporation in Tokyo and have since relocated our corporate office to Osaka as "LIGHTSTAR JAPAN." We also have Japanese staff on-site, and we look forward to your support.

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