VFG54+

Sensor for temperature measurement at the surface of pipes (cold or warm water) and round surfaces. Spring loaded brass contact sensor with direct contact for fast response. For tightening straps and contact fluid please see accessories. The devices with relay output for a 2-point controller or a 2-stage 2-point controller and color-changing LCD allow a wide range of applications. Depending on the model, the sensor can be individually configured via Thermokon USEapp. Tool-free opening, closing and wiring as well as removable cable entries ensure quick and easy installation.

Measuring values temperature
Output voltage TRV: 1x 0..10 V or 0..5 V, min. load 5 kΩ
Output ampere TRA: 1x 4..20 mA, max. load 500 Ω
Output passive PT100 | PT100 1/3 DIN | PT1000 | PT1000 1/3 DIN | Ni1000 | Ni1000TK5000, NTC10k | NTC 10k Precon | NTC5k | NTC20k | NTC1,8k, LM235Z | DS18B20 1-wire, KTY81-110 | KTY81-121 | KTY81-122 | KTY81-210
Power supply 15..24 V = (±10%) or 24 V ~ (±10%) SELV, TRA: 15..24 V = (±10%) SELV
Power consumption TRV: typ. 0,42 W (24 V =) | 0,84 VA (24 V ~), TRA: typ. 0,5 W (24 V =)
Measuring range temp. passive: -35..+90 °C
Output signal range temp. TRV | TRA:, Scaling analog output, 0..+100 °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, adjustable at the transducer
Operating temperature range permissible working temperature, sensor pocket | holder -35..+120 °C, enclosure active: -35..+70 °C, enclosure passive: -35..+90 °C
Accuracy temperature measuring current typ. <1 mA, ±0,5 K (typ. at 21 °C within default measuring range), passive: depending on used sensor
Sensor passive: 2-wire (standard), 3-wire or 4-wire
Enclosure enclosure USE-S, PC, pure white
Protection IP65 according to EN 60529, SI-Protection (not possible for electronic Sensors)
Cable entry Flextherm M16 for wire Ø=3..7 mm, removable
Connection electrical removable plug-in terminal, max. 2,5 mm²
Pocket brass, spring loaded sensor
Ambient condition max. 85% rH short term condensation
Mounting along the pipe or sideways
Notes other temperature sensors on request
Contact

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


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