Modbus indoor sensor LKM447
LKM447 Room Temperature/moisture sensor output Modbus RTU
For this article, the translation into English is still in progress.The full description of this article can be found on the German website of our online store.
| Input: | Semiconductor sensor SHT 31 | integrated |
| Measuring range temperature: | -40...85°C | |
| Measuring range humidity: | 0...100% | |
| Supply voltage: | 10...35V | |
| Output: | Modbus-RTU | possible via gateway TCP/IP |
| Electrical protocol: | RS485 | |
| Maximum cable length | 1200m | |
| Transmission rate: | 19200/9600/4800/2400/1200 baud | configurable via software |
| Parity: | even, odd, none | configurable via software |
| Stop bit: | 1 stop bit/2 stop bit | configurable via software |
| Terminating resistor: | configurable via software | |
| Measurement error temperature: | typ. 0,2°C | at 25°C |
| Measurement error Humidity: | Type. <2% | at 50% r.h. |
| Operating temperature range: | -30...85°C | |
| Humidity: | <95% | |
| Clamping type: | Screw terminals | |
| Clamping range: | 0,1...1,5mm² | |
| Dimensions: | 70x70x25mm | W x D x H |
| Weight: | approx. 50g | |
| Housing: | PVC white | |
| EMC: | EN 61326-1 EN 61326-2-3 |
Emission and immunity |
► Data sheet in PDF format 
► Operating instructions in PDF format
► Program for configuring the MODBUS parameters
► Operating instructions in PDF format
► Program for configuring the MODBUS parameters