SFK02+ Basic Modbus

Immersion sensor with Modbus RS485 interface for temperature measurement of gases and liquids in HVAC applications. The sensor can be optionally screwed directly into a bonded pocket (see accessories). Types SFKH02+ with a 70 mm neck pipe are designed for applications with insulation materials. The measuring insert can be exchanged without disassembling the entire sensor. A hinged cover and tool-free wiring as well as removable cable entries ensure a quick and easy installation.

Measured valuestemperature
Network technologyRS485 Modbus, RTU or ASCII, half-duplex, baud rate 9.600, 19.200, 38.400 or 57.600, parity none, even or odd
Power supply15..24 V = (±10%) or 24 V ~ (±10%) SELV
Power consumptionmax. 0,7 W (24 V =) | 1,8 VA (24 V ~)
Measuring range temp.-50..+160 °C
Operating temperature rangepermissible working temperature, pocket -50..+160 °C, optional -80..+260 °C (T260), enclosure active: -35..+70 °C
Accuracy temperature±0,5 K (typ. at 21 °C within default measuring range)
Enclosureenclosure USE-S, PC, pure white
Protection (IP)IP65 according to EN 60529, SI-Protection
Cable entryFlextherm M20 for wire Ø=4,5..9 mm, removable
Electrical connectionremovable plug-in terminal, max. 2,5 mm²
Neck pipeoptionally (types SFKH02+), stainless steel V2A, Ø=12 mm, L=70 mm
Pocketstainless steel V4A, Ø=8 mm, thread G 1/2", mounting length: 50 | 100 | 150 | 200 | 250 | 450 mm
Ambient conditionmax. 85% rH short term condensation

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Thermokon Sensortechnik GmbH
Platanenweg 1
35756 Mittenaar
Tel.: +49 2778 6960-0

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