Temperature Measurement


Compact, galvanically isolated temperature indicators

February 2003 Temperature Measurement

Kübler from Germany now offer two new microprocessor-based temperature indicators (Codix 531, 532) for resistance temperature measurement and thermocouple sensors. Both LED units come with full galvanic insulation in a DIN 48 x 24 mm IP 65 protected enclosure. Simple set-up, maximum and minimum temperature storage capability at an attractive pricing are further key advantages of these compact indicators.

Codix 531 is designed for Pt100 and Ni100 sensors, while Codix 532 operates with J, K or N type sensors. An integrated DC-DC converter ensures a galvanic insulation between the power supply and the sensor input signals. Reverse voltage protection makes the units safe against misconnection.

A bright 5-digit LED display with 8 mm digit height ensures clear visibility of the display from longer distances or in dark surroundings. Temperature in °C or °F is user-selectable, as is the resolution of up to 0,1°C or 0,1°F. A latch input freezes the display if required. The inputs of Codix 531 are suitable for 2, 3 or 4-wire technology, while Codix 532 incorporates an internal and external temperature comparator. The latter ensures that temperatures are always measured correctly, regardless of environmental temperatures. An automatic minimum and maximum temperature storage capability adds extra benefit to the unit. The supply voltage may be anything from 10-30 V d.c. Screw terminal connection makes installation simple and safe.



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