Description
4–20 mA current interface for temperature controller actual value provides an analogue output that maps the measured temperature to a standard industrial current loop. The scaling covers −20 to +70 °C corresponding to 4–20 mA, enabling external recorders, PLCs or building-management systems to read the live controller value without digital protocol conversion. This interface supports continuous monitoring, data logging and higher-level process control around laboratory temperature and climate equipment. Supplied as one piece from manufacturer Memmert, it is intended for installations that require a robust, widely compatible analogue signal for the actual temperature reading. The 4–20 mA format is familiar in laboratory and industrial automation, simplifying integration into existing measurement chains. Manufactured in Germany, the interface suits research, quality-control and production-adjacent laboratory setups where the temperature controller actual value must be available as a scaled current signal over the stated −20 to +70 °C range for supervision, trending or alarm handling.
This article is part of Temperature control accessories, in Heating, drying & cooling.
Key features
- Pack size: 1 pc
- Type: 4–20 mA current interface
- Signal: Temperature controller actual value
- Scaling: −20 to +70 °C = 4–20 mA
- Output: Analogue current loop
- Country of origin: Germany
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Questions about 4 - 20 mA current loop interface; Temperature controller actual value (-20 to +7
What is this article?
4 - 20 mA current loop interface; Temperature controller actual value (-20 to +7 is the article on this page. Luminix Health distributes Memmert for laboratory use. It sits in Temperature control accessories, inside Heating, drying & cooling, in Lab instruments.
Temperature-control accessories are the probes, the lids, the racks and the fluids that complete a bath or a circulator. A lid is what keeps a water bath from evaporating away. The fluid's flash point is part of the choice.
Temperature equipment either holds a set point or drives a sample toward one. An oven dries. A furnace reaches the temperatures of ashing and melting. A bath surrounds a vessel with water or oil. A circulator moves that fluid. An incubator holds the mild warmth of a culture. An autoclave uses steam under pressure to sterilise. The number that matters is the temperature the article actually reaches, not the number painted on the dial. Temperature is part of the international system kept by the BIPM and compared by EURAMET.
Which category should I open next?
The category is Heating, drying & cooling. The sub-category is Temperature control accessories. The catalogue is Lab instruments.
Shelves beside this one are Muffle & tube furnaces, Heating mantles, Circulators, chillers & thermostats, Drying ovens & climate chambers, Water & oil baths, Hot plates & heating blocks, Incubators, Heating & cooling (other), Laboratory refrigerators & freezers, Autoclaves & sterilisers, Bunsen & gas burners and Heating tapes, cables & plates.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

