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The Temperature and Humidity sensor with the display has three installation methods: wall-mounted type, duct type, and split type. Current, voltage and RS485 output modes are optional. Strong adaptability, spring screw/terminal design is suitable for quick installation. The ideal instrument to measure relative humidity and temperature of the air of HVAC system, business campus and industrial workplace, warehouse. This temperature and humidity sensor price is quite a low cost and resisted interference, which meets the temperature and humidity sensor for industrial application,
LEFOO is a production expert, reliable supplier of temperature and humidity sensors that can offer you the best service and optimal price.
Features
* Two outputs Temperature and Humidity
* CE and RoHS certificated
* Optimal for animal husbandry and breeding industries
| Temperature and Humidity Transmitter with Display | |||||
| Relative Humidity | Temperature | ||||
| Sensing Element | Digital | Sensing Element | Digital or thermal resistance, see Models Selection Table | ||
| Measure Range | 0%~100%RH | Measure Range | 0~50℃, -20~60℃ | ||
| Output | RS485/Modbus,0~10VDC,4~20mA | Output | 4~20mA, 0~10VDC, RS485/Modbus | ||
| Response Time | ≤10s(25℃, slow flow air) | Work Temperature | -20~60℃,5%-95%RH(non-condensing) | ||
| Accuracy | ±2%@ 25℃ & 60%RH | Accuracy | Digital sensing element: ±0.5℃@25℃ | ||
| Model | LFH101 Wall Mounted Type | Voltage Type | RS 485 Type | Current Type | |
 | 15~35V dc 24V ac ±20% | 15~35V dc 24V ac ±20% | 18.5~35VDC (RL=500Ω) 8.5~35VDC (RL=0Ω) | ||
Protection Level | IP65 | ||||
| Model | LFH102 Duct Type | Output Load | ≤500Ω(Current Type)，≥2KΩ(Voltage Type) | ||
 | Display | LCD display optional, with unit display and backlight(4~20mA output without backlight) | |||
| Model | LFH103 Split Type | Case Material | PC case, PC probe, Polymer filter（stainless probe and stainless filter optional) | ||
 | Thermal resistance | Serial number 0,1,2,3,4,5,6 on model selection table | |||
| Model Selection Table | ||||||||||
| Note: Accuracy of thermal resistance PT series is ±0.2℃@25℃, Exactness of NTC and Ni series is ±0.4℃@25℃ | ||||||||||
| Code and description | Remark | |||||||||
| LFH101- | Wall-mounted temperature and humidity transmitter | Model | ||||||||
| LFH102- | Duct type temperature and humidity transmitter | |||||||||
| LFH103- | Split type temperature and humidity transmitter | |||||||||
| 2 | ±2%RH(0.3℃ | Accuracy range | ||||||||
| 3 | ±3%RH(0.3℃ | |||||||||
| V10 | 0~10VDC(Three-wired) | Humidity output | ||||||||
| A4 | 4~20mA(Two-wired) | |||||||||
| RS | RS485/Modbus | |||||||||
| V10 | 0~10VDC(Three-wired) | 2 | NTC20K | Temperature output | ||||||
| A4 | 4~20mA(Two-wired) | 3 | Ni 1000 | |||||||
| RS | RS485/Modbus | 4 | NTC10K-II | |||||||
| 0 | PT1000 | 5 | NTC10K-III | |||||||
| 1 | PT100 | 6 | NTC10K-A | |||||||
| 0 | NO | Temperature range | ||||||||
| 1 | 0~50 | |||||||||
| 2 | minus 20~60 | |||||||||
| 8 | Others (customer specified) | |||||||||
| 0 | No display | Display mode | ||||||||
| 1 | LCD display | |||||||||
| LFH101- | 2 | A4 | 3 | 1 | 1 | Selection example | ||||
■ Imported sensing element, high accuracy, fast response;
■ Varieties of installation methods and output signal, LCD display optional;
■ New industrial quick installation design, fast installation feasible.
LEFOO Temperature and Humidity sensor LFH10 series are used in PLC, dehumidifier, high standard air conditioner, Supporting infrastructure projects, Metallurgical Automation, Painting equipment
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