Testing, Analysis and Measurement

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Ｕ．Ｒ．Ｄ．ＣＯ.，ＬＴＤ．

EstablishmentSeptember 1973

capital2000Ten thousand

number of employees44

addressKanagawa/Tsurumi-ku, Yokohama-shi/1-1-52 Suehirocho

phone045-502-3111

Official site

last updated：Feb 10, 2026

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Ｕ．Ｒ．Ｄ．ＣＯ.，ＬＴＤ． Downloads

1～45 item / All 93 items

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Small clamp-type alternating current sensor 'CTU-8-CLS' (patented)

Product catalog

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Servo-type DC small current sensor "DCS-20-AS Series"

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Comprehensive Catalog of Current Sensors and Application Devices - Digest Version [With Technical Documentation]

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Division CT FC/SC Series Product Catalog

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[2011 Edition] Comprehensive Catalog of Current Sensor Application Devices

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Package-type power transducer "PTD Series"

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Small Power Transducer "PTD-S Series"

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Ultra-compact PT for power measurement / Panel-mounted type "APT-3"

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Ultra-compact PT for power measurement / Panel-mounted type "APT-1/APT-2"

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Ultra-compact PT/SIP type power measurement "APT-2S"

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Ultra-compact PT for power measurement (active PT) cube type "APT-2B"

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AC current detection and DC 4-20mA output converter "CMD-1-CV-5"

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Multi-channel compatible effective value conversion module "CMD-1-RMS-1"

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AC/DC dual-use universal effective value conversion module "CTD-20"

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AC waveform dedicated RMS conversion module "CTD-10"

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External power supply type low output impedance current converter "CMD-1-CV-6"

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External power supply type low output impedance current converter "CMD-1-CV-4"

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Current converter "CMD-1-CV-3" compatible with large current sensors.

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Current converter "CMD-1-CV-2" compatible with ultra-compact clamp-type sensors.

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Sensor-integrated current transformer "CTT-CLS-CV Series"

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Sensor and Converter Integrated Current Transformer "CTU-8-CV Series"

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Dedicated external sensor type disconnection alarm "CRY-15/25-B"

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External sensor and high current compatible disconnection alarm "CRY-CPX"

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External sensor and low current compatible disconnection alarm "CRY-CLX"

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Sensor-integrated, direct power connection type disconnection alarm "CRY-CP"

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External sensor, high current compatible overcurrent alarm "CRY-DPX"

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External sensor and low current compatible overcurrent alarm "CRY-DLX"

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Sensor-integrated, direct power connection overcurrent alarm "CRY-DP"

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DC-compatible multifunction current relay (contact output type) "CRY-DDS"

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Large-diameter AC non-powered current relay "CRY-N-10A・20A"

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Small-sized, AC non-powered current relay "CTU-8-CS50"

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Leakage Current Detection Module (Contact Output Type) "CRY-ZPS"

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Clamp-type current detection module "CTT-CS Series"

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Current ON/OFF Detection Module "CMD-1-CS-2"

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Current ON/OFF Detection Module "CMD-1-CS-1"

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Wire clamp mounting type, split type "HCS-APCLS series"

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Ultra-compact printed circuit board mountable "HPS-01-AP" with primary winding.

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Micro DC Measurement High Precision Sensor "CMD-4-DC01-SC"

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Wide Frequency Band, Precision Measurement "HCS-20-SC Series"

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Ultra-compact printed circuit board mounting 'HPS-AS Series' with primary winding.

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Ultra-compact printed circuit board mounting 'HPS-AP Series' with primary winding.

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LED Indicator C.T.LIGHT "CTL-6-W / CTL-24"

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Resistance Built-in CT "CTL-12/24-R Series"

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Lightning Current Sensor "CTL-3400-L-1+INA-1-3400"

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AC current sensor for high current "CTL-30-S220-4L"

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