A simple, inexpensive method for building a temperature strip-chart recorder involves a parallel port that communicates with four TMP121 IC temperature sensors (Fig. 1). The sensors communicate via ...
Priced starting at $399, RD-87 series strip-chart recorders come in six models for monitoring J thermocouple, temperature, temperature/humidity, ac voltage, ac current, or 4 to 20-mA/dc voltage ...
, temperature/humidity, voltage, current, or 4 to 20-mA input. The unit has an LCD and records on a 100-mm-wide strip chart using a single pen (except for the two-pen temperature/humidity model). The ...
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