TF25+ relay / LCD / BUS

Cable sensor for temperature measurement in HVAC or refrigeration applications. In combination with a thermowell pocket suitable for temperature measurement in duct applications. Depending on the application, PVC, silicone, PTFE and glass fiber cables are available. Tool-free opening, closing and wiring as well as removable cable entries ensure quick and easy installation.

Measuring values temperature
Output voltage 0..10 V or 0..5 V (adjustable via jumper; live-zero configuration via Thermokon USEapp), min. load 5 kΩ
Network technology RS485 BACnet (MS/TP), LON FT (free topology), RS485 Modbus
Power supply 15..35 V = or 19..29 V ~ SELV
Power consumption max. 2,5 W (24 V =) | 4,3 VA (24 V ~)
Output signal range temp. Scaling analog output, -20..+80 °C (default setting), selectable from 8 temperature ranges -50..+50 | -20..+80 | -15..+35 | -10..+120 | 0..+50 | 0..+100 | 0..+160 | 0..+250 °C, optionally configurable via Thermokon USEapp
Operating temperature range permissible working temperature, pocket -50..+160 °C, optional -50..+250 °C (T250), enclosure: -35..+70 °C, LCD: -20..+70 °C
Accuracy temperature ±0,5 K (typ. at 21 °C within default measuring range)
Display LCD 29x35 mm with RGB backlight, optional, warning when measuring range is exceeded ('OL') or sensor is defective/disconnected ('check sensor')
Enclosure enclosure USE-M, PC, pure white, LCD: cover PC, transparent
Protection IP65 according to EN 60529, SI-Protection, 16-point pressed, Rolled: IP67 according to EN 60529, with SI-Protection, enclosure: IP65 according to EN 60529
Cable entry M25 with fourfold cable entry for wire with max. Ø=7 mm, removable
Connection electrical removable plug-in terminal, max. 2,5 mm², BUS terminal: removable plug-in terminal, max. 1,5 mm²
Pocket stainless steel V4A, Ø=6 mm, mounting length: 50 | 100 | 150 | 200 | 250 mm, pocket 6x50 and T100: 16-point pressed; IP67 rolled, tension spring (optional)
Ambient condition max. 85% rH short term condensation
Weight 140 g
Delivery contents incl. mounting base enclosure USE-M pure white
Notes other cable lengths on request, PE connection wire available (please request)

Contact us:

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

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