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Current sensors for automotive battery-monitoring
A
LEM UK product story
Edited by the Manufacturingtalk editorial team
Jan 1, 2007
LEM has introduced the HAB family of current sensors for automotive battery-monitoring applications.
LEM has introduced the HAB family of current sensors for automotive battery-monitoring applications.
The 12 sensors in the family offer primary current measurement ranges from +/-20 to +/-120A, a high accuracy of +/-2 per cent across the operating temperature range of -40 to +125degC and a choice of voltage or PWM outputs.
The sensors are based on open-loop, Hall-effect transducers that simplify both installation and servicing by removing the need to cut the cable carrying the measured current.
They operate from a unipolar 5V supply and provide a fully ratio metric solution for the voltage output devices.
Response time is less than 10ms.
A watertight housing and sealed connector provide full environmental protection in under-bonnet applications.
Principal applications are expected to be in the measurement of battery-pack current in electric, hybrid and conventional vehicles.
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