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MINI NEGATIVE BOX

MINI NEGATIVE BOX

Product catalog summary
Main Features
The MINI NEGATIVE BOX is designed to operate within a temperature range of -5 to +55 °C and can be stored between -30 to +85 °C. It has a protection index of IP 65, making it resistant to dust and water. The device can function in ambient humidity levels ranging from 10 to 90 %HR. It supports NTC probes with a reading range from -50 to 110 °C and PTC probes from -55 to 140 °C. The display features 3 digits plus a sign, and the box is made of polycarbonate with dimensions of 165x160 mm and a depth of 90 mm.
Technical Data
The power supply requirement is 230 V with a tolerance of +/- 10% and a maximum power consumption of 3 W. It operates at a frequency of 50/60 Hz. The measuring range for NTC and PTC probes is consistent with the reading range. The precision is 0.5% of the full scale plus 1 digit, and the resolution can be set to 0.1 or 1°C. Connections are made via screw terminals.
Inputs
The device includes 2 analog inputs for NTC/PTC probes and 1 digital input for a dry contact.
Outputs
There are three relay outputs: 1 SPST 6(3)A 250 Va for the compressor, 1 SPST 8(3)A 250 Va for the defrost, and 1 SPST 5(2)A 250 Va for the fan.
Note: The document states that continuous improvement may lead to variations without notice.
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Catalog excerpts

MINI NEGATIVE BOX-1

Eliwell France Main Features Operating temperature From -5 to +55 °C Storage temperature From -30 to +85 °C Ambient humidity during From 10 to 90 %HR use and storage Reading range NTC probe: from -50 to 110 Viewing 3 digits + sign Measuring range NTC probe: from -50 to 110 Precision 0.5% of full scale + 1 digit connections Screw terminals Digital inputs 1 Dry contact Relay outputs 1 SPST 6(3)A 250 Va (Comp.) / 1 SPST 8(3)A 250 Va (Def.) / 1 SPST 5(2)A 250 Va (Fan.) The continuous improvement of our products can cause some variations in this document even without notice.

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