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  6. Battery-less wireless current sensor

Battery-less wireless current sensor

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CWD-3-1 + CTT-CLS-WLS series

last updated:Feb 10, 2026

U.R.D.CO.,LTD.
U.R.D.CO.,LTD.
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Battery-less wireless current sensor utilizing energy harvesting.

- Wireless power supply from the measurement cable for CT - Elimination of wiring and reduction of installation costs through the integration of clamp structure and wireless communication - No need for battery replacement as it is battery-less - Daily operating cost (electricity) calculation for each device through current measurement - Automatic identification of connected CT allows for retrofitting without the need for configuration - Internal conversion of primary current to output current values, eliminating the need for current correction in subsequent systems - Simultaneous wireless transmission of data from 3 channels of CT - Current value monitoring possible with EnOcean dongle and free software - Up to 3 channels of CT installation possible

    SensorsOther electronic parts
ctt_cls_wls_cws_3_1.jpg

Battery-less wireless current sensor

ctt_cls_wls_cws_3_1.jpg
ctt_cls_wls_cws_3_1.jpg
  • Related Link - https://www.u-rd.com/products/category_102.html

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basic information

Operating accuracy: ±3% (rated current) Minimum operating value: Primary side current of 2A or more when CT is installed Data sampling transmission time: Data is sampled every 1 second and average values are transmitted every 30 seconds Profile: EnOcean GP (transmits current data according to each CT) Transmission and reception frequency: 928MHz Transmission distance: Approximately 30m in clear line of sight (reference value) Operating conditions: -10°C to +50°C, ≤80% RH, no condensation Storage conditions: -20°C to +60°C, ≤80% RH, no condensation Weight: Approximately 50g

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Measurement of current values in production equipment.

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U.R.D.CO.,LTD.

U.R.D.CO.,LTD.

Testing, Analysis and Measurement

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We will engage in our business without forgetting our gratitude towards our customers. By receiving appreciation from our customers, we will earn appropriate profits. You Are Dee Co., Ltd. regards "mutual gratitude" as its corporate philosophy and aims to be a millennium company that soars into the 21st century. To achieve this, we believe that our primary mission is to create technologies and methods that do not exist in the world and to deliver products with performance and quality that satisfy our customers within accurate delivery times. We kindly ask for your continued patronage.

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