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Condensation Monitors

WK02+

Condensation sensor with an LED signal and a relay output to prevent condensation on chilled surfaces. For control and monitoring applications or connection to cooling valves to stop the flow of chilled water flow upon condensation. The 'ext.' model uses a 2m remote sensor for a more flexible installation.

Application/type Condensation sensor
Purpose Measure values
Measured values temperature, relative humidity, absolute humidity, enthalpy, dew point, condensation
Interface RS485 Modbus, RS485 BACnet, LON FT, Active, 0..5 V, 0..10 V, Switch contact
Configuration USEapp, BUS, DIP switches, (depending on type)
Output voltage 2x 0..10 V or 0..5 V, adjustable via Thermokon app, live-zero configuration via app, min. load 10 kΩ
Output switch contact changeover contact, 1 A resisitve load, max. 250 V, max. 250 V ~, floating
Network technology RS485 Modbus, RS485 BACnet (MS/TP), LON FT (free topology)
Data transmission RTU, half-duplex, baud rate 9.600, 19.200, 38.400 or 57.600, parity: none (2 stop bits), even or odd (1 stop bit)
Operating range temperature (°C) 0..+50
Output signal temperature scaling analogue output, 0..+50 °C (default setting), selectable from 4 temperature ranges -40..+60 | 0..+50 | -20..+80 | -15..+35 °C, optionally configurable
Operating range humidity max. 85% rH short term condensation
Accuracy temperature ±0,5 K (typ. at 21 °C)
Measuring range humidity 0..100% rH non-condensing, 0..85 KJ/kg enthalpy, 0..50 | 0..80 g/m³ absolute humidity, 0..+50 | -20..+80 °C dew point, optionally configurable
Accuracy humidity ±2% between 10..90% rH (typ. at 21 °C), potentiometer to adjust the sensitivity
Power supply 15..24 V = (±10%) SELV, 24 V ~ (±10%) SELV, 230 V ~ (±10%)
Power consumption typ. 0,8 W (24 V =), typ. 3,5 W (230 V ~), 1,6 VA (24 V ~)
Display LCD 29x35 mm, RGB backlight
Enclosure USE-L, impact- and shock-resistant enclosure with quick-release cover, PC
Colour pure white, transparent cover
Protection (IP) IP65, according to EN 60529
Connection removable cable entry flextherm M20 for wire Ø=4,5..9 mm, removable cable entry M25 with fourfold cable entry for wire with max. Ø=7 mm, removable plug-in terminal, max. 2,5 mm², BUS max. 1,5 mm²
Connection cable PVC, 0,25 mm², white
Length connection wire (m) 2, 4, 6
Delivery content incl. mounting base enclosure USE-L pure white, incl. mounting set (screws and accessories), incl. cable tie 140x3,6 mm, incl. syringe thermal contact fluid 2 ml
Packaging length (mm) 162
Packaging width (mm) 152
Packaging height (mm) 65
Packaging case packaging
Device length (mm) 110
Device width (mm) 105
Device height (mm) 48
Option enclosure LCD 29x35 mm, RGB backlight
Comparison list
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