LFH30 High-Precision Temperature and Humidity Transmitter
High-precision pressure measurement with digital display and data logging capabilities for industrial applications.
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LFH30 High-Precision Temperature and Humidity Transmitter
Product features
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■Humidity accuracy up to+2%RH
■Imported humiditysensitive capacitors,anticondensation and pollution
■Passive temperature output optional
■CE certification,Ip65,ROHS
Detailed Description
DESCRIPTION
LFH30 sensitive components use imported polymer film humidity sensitive capacitors and PT1000 temperaturesensitive resistors.The special breathable coating and SMD injection molding process can ensure the long stability ofthe probe in the environment of dust salt spray pollution and high humidity condensation.It is calibrated with maturehumidity and temperature measurement technology to ensure the accuracy.It is suitable for highstandardintelligentbuildings incubators,industrial dehumidifiers and other fields.
SPECIFICATION
(1)Relative Humidity | |
Sensor | High-precision digital core |
Range | 0%~100%RH |
Output | RS485/Modbus,0~10VDC,4~20mA optiona |
Accuracy | ±2%@20℃&20~80%RH |
Response time | <10s(20℃,slow flow air) |
(2)Temperature | |
Sensor | High-precision digital core or passive thermal resistance,see Order Ref No. |
Measurement Range | 0~50℃,-20~60℃ etc. |
Output | 4~20mA,0~10VDC,RS485/Modbus optional |
Thermal resistance | See Order Ref No.and Thermal Resistance Indexing Table |
Accuracy |
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Power supply | RS485 type:9~35VDC/24VAC±20% |
Output load | ≤5002(Current type),≥10KΩ(Voltage type) |
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Case Material | PC shell,PA6 probe rod and polymer filter |
Working Environment | -20~60℃,5%-95%RH(Non-condensing) |
Protection Grade | IP65 |
SELECTION
Code and Description | Remark | |||||||||||||
LFH301- | Wall-mounted temperature and humidity transmitter | Main | ||||||||||||
LFH302- | Duct Type Temperature and Humidity Transmitter | |||||||||||||
LFH303- | Split type temperature and humidity transmitter | |||||||||||||
2 | ±2%RH(0.2℃) | Accuracy | ||||||||||||
V10 | 0~10VDC(3-wired) | Humidity | ||||||||||||
A4 | 4~20mA(2-wired) | |||||||||||||
RS | RS485/Modbus | |||||||||||||
V10 | 0~10VDC(3-wire) | 0 | PT1000,±0.2℃@0℃ | Temperature | ||||||||||
A4 | 4~20mA(2-wire) | 1 | PT100,±0.2℃@0℃ | |||||||||||
RS | RS485/Modbus | 2 | NTC20K,±0.4℃@25℃ | |||||||||||
6 | NTC10K,±0.4℃@25℃ | |||||||||||||
0 | None | Temperature | ||||||||||||
1 | 0~50℃ | |||||||||||||
2 | -20~60℃ | |||||||||||||
8 | Other(customized) | |||||||||||||
0 | None | Display | ||||||||||||
1 | LCD display | |||||||||||||
LFH301 - 2 A4 A4 1 1 | Model Example | |||||||||||||
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