High-precision DC current clamp meter. With an operating temperature range of -40 to 120°C and excellent environmental resistance, it outputs measurement values via CAN signals. It is ideal for measuring in actual vehicles.
The CW-402MKII is a high-precision current clamp meter for non-contact DC current measurement. It has a range of ±10A, ±30A, ±50A, and ±150A. With a compact and robust aluminum housing, it is an ideal sensor for use in real vehicle measurements and within temperature-controlled chambers, with an operating temperature range of -40°C to 120°C. It features a built-in temperature sensor that enables advanced temperature compensation and automatic residual magnetism correction, achieving high accuracy. The measured current values are transmitted internally via a CAN bus network. This allows for minimal signal degradation due to EMI and noise, enabling long-distance transmission of measurement values. When combined with a CAN-USB interface device and dedicated software, parameters such as output rate, CAN-ID, bit rate, and averaging of measurement values can be easily configured. Furthermore, multiple clamp sensors can be configured simultaneously, and a common DBC file can be exported.
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basic information
Model: CW-401MKII Sensor Specifications Measurement Range: ±10A, ±30A, ±50A, ±150A Resolution: 1mA Accuracy: 1% (with an additional error of ±50mA depending on the measurement range) Output Rate: Up to 2kHz (configurable) Measurement Category: CAT I (measuring voltage up to 48V) Averaging: Configurable CAN I/F Specifications Type: ISO 11898-2 (High-speed) CAN Protocol 2.0A and 2.0B Bit Rate: High-speed up to 1Mbit/s Connector: 4-pin LEMO, compatible connection cables available upon request Power Supply Operating Voltage: 9VDC to 30VDC Current Consumption: 40mA @ 12VDC Operating Environment Operating Temperature Range: -40℃ to +120℃ Protection Rating: IP65 General Housing: Robust aluminum housing Dimensions (L×W×H), Weight: ~50A range 59mm×32mm×17.5mm, approximately 60g, 150A range 68mm×36mm×17.5mm, approximately 80g Factory Calibration: Standard -20℃ to +110℃, Wide -40℃ to +120℃ Features: Offset calibration via CAN bus, automatic residual magnetism correction
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Applications/Examples of results
Measurement of direct current in actual vehicles.
Detailed information
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Measurement range lineup: ±10A, ±30A, ±50A, ±150A
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Company information
Accurate Technologies Inc. (ATI) has been a leading independent supplier of high-performance measurement and control system tools and software solutions since 1991. Today, we provide cutting-edge development tools that help our customers bring high-quality products to market. ATI's product line has expanded to cover the entire vehicle development cycle, including software rapid prototyping, ECU calibration, data acquisition, and bus analysis. Our long-standing experience and deep understanding of customer needs form the foundation and strength of ATI. At our headquarters in Novi, Michigan, and our Japan branch established in 2006, ATI's skilled engineers and experts continue to strive to first understand our customers' needs and then provide uncompromising, tailored solutions that meet those needs.
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