FTA54+
Outdoor sensor for measuring relative humidity and temperature in HVAC applications, greenhouses, industrial halls and in meteorology. The output can also be configured to measure absolute humidity, enthalpy or dew point. The optional features, such as relay outputs for 2-point controllers or 2-stage 2-point controllers and an LCD with traffic light indication enable a wide range of applications. Depending on the model, the FTA54+ can be configured individually via Thermokon USEapp. The accuracy of the humidity sensor is 2%. A hinged cover and tool-free wiring as well as removable cable entries ensure a quick and easy installation.
| Measured values | humidity, temperature |
|---|---|
| Output voltage | VV | VVS: 2x 0..10 V (min. load 10 kΩ) |
| Output current | AA | AAS: 2x 4..20 mA (max. load 500 Ω) |
| Output passive | VVS | AAS: passive temperature sensor |
| Output switch contact | Relay: 2x floating contact NO for 24 V ~ or 24 V = / 3 A, optional |
| Network technology | RS485 BACnet (MS/TP), LON FT (free topology), RS485 Modbus, UNI Modbus RTU |
| Power supply | 15..24 V = (±10%) or 24 V ~ (±10%) SELV, AA | AAS: 15..24 V = (±10%) SELV, LCD/relay/BUS: 15..35 V = or 19..29 V ~ SELV |
| Power consumption | VV | VVS: max. 0,3 W (24 V =) | 0,5 VA (24 V ~), AA | AAS: max. 40 mA (24 V =), LCD/relay/BUS: max. 2,5 W (24 V =) | 4,3 VA (24 V ~) |
| Measuring range temp. | -40..+60 °C | 0..+50 °C | -20..+80 °C | -15..+35 °C, adjustable at the transducer, LCD/relay/RS485 Modbus: optionally configurable via app or uConfig, default setting: -20..+80 °C, passive: depending on used sensor |
| Measuring range humidity | 0..100% rH non-condensing, enthalpy: 0..85 KJ/kg, absolute humidity: 0..50 | 0..80 g/m³, dew point: 0..+50 | -20..+80 °C, adjustable at the transducer, LCD/relay/RS485 Modbus: optionally configurable via app or uConfig |
| Accuracy temperature | passive: depending on used sensor, ±0,3 K (typ. at 21 °C within default measuring range) |
| Accuracy humidity | ±2% between 10..90% rH (typ. at 21 °C) |
| Display | LCD 29x35 mm with RGB backlight, optional |
| Enclosure | enclosure USE-M, PC, pure white, LCD: cover PC, transparent |
| Protection (IP) | IP65 according to EN 60529 |
| Cable entry | Flextherm M20 for wire Ø=4,5..9 mm, Relay/BUS: M25 with fourfold cable entry for wire with max. Ø=7 mm, removable |
| Electrical connection | removable plug-in terminal, max. 2,5 mm², BUS terminal: removable plug-in terminal, max. 1,5 mm² |
| Pipe | PC, pure white |
| Filter | stainless steel wire mesh |
| Ambient condition | -20..+70 °C, max. 85% rH short term condensation |
| Delivery content | incl. mounting base enclosure USE-M pure white, incl. rain protection PA6, white |
| Notes | other temperature sensors on request |