LFH21 series temperature and humidity controller is a product designed for indoor temperature and humidity detection and control.
It has the advantages of small size, simple installation and convenient operation.
It has special design for lightning surge, electrostatic discharge, group pulse, voltage resistance, etc., strong anti-interference ability, and alarm function.
It can be widely used in places such as computer rooms, buildings, warehouses, etc. where temperature and humidity measurement and control are required.
| RELATIVE HUMIDITY | |
| Sensor | Digital |
| Measuring Range | 0%~100%RH |
| Output | RS485/Modbus,0~10VDC |
| Response Time | ≤10s (20℃, slow flow air) |
| Accuracy | ±3%@ 20℃ & 20~80%RH |
| TEMPERATURE | |
| Sensor | Digital or passive thermal resistor, details refer to selection table |
| Measuring Range | 0~50℃, -20~60℃, etc |
| Output | RS485/Modbus,0-10VDC |
| Work Temperature | -20~60℃, 5%-95%RH (Non-condensing) |
| Thermal Resistance | Refer Selection Guide |
| Output Load | ≥10kΩ(voltage output) |
| Accuracy | Digital sensor: ±0.3℃@20℃, See table below ; Passive thermal resistance: typical ±0.2~0.4℃@25℃, refer to selection table |
| Display | LCD display and keys with unit display and backlight |
| Display Accuracy | 0.1℃,0.1%RH |
| Alarm Function | 1xBUZZER,1xLED |
| Power Supply | RS485:15-35VDC/24VAC±20% Voltage:15-35VDC/24VAC±20% |
| Shell Material | PC |
| Protection Grade | IP30 |
.png)
.png)
More detail about Excel Test Sdn Bhd
Malaysia
