TEMPERATURE MEASUREMENT WITH LOW COST THERMISTORS.

被引：0
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作者：
Shepherd, Ian E.
机构：
来源：
Electronic Engineering (London) | 1974年 / 46卷 / 559期
关键词：
TEMPERATURE MEASUREMENT - THERMISTORS;
D O I：
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摘要：
A battery-operated circuit incorporating a low-cost thermistor with wide tolerances is described. Current drain is low and there is a simple indication of the end of battery life. The circuit uses a low-cost IC and can be calibrated to cover the temperature range required. The circuit was arranged to drive a 1 mA meter, with a scale of 35 degree to 41 degree C (95 degree to 105 degree F) for body temperature measurement.
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