Products Description
DESCRIPTION
The LFM57 series atmospheric pressure transmitters are suitable for atmospheric pressure monitoring in variousenvironments.Product installation takesup little space.Customers can customize the Settingson site.The product adoptsmported digital atmosphericpressure core,which has the characteristics of sensitive pressure response,stable long-termoutput and superiorperformance.The products are suitable for small weather stations,ltimeters,archives and other placesrequiringatmospheric pressure monitoring
SPECIFICATION
Medium | Air(non-condensing) | ||
Measuring range | 15kPa~130kPa | ||
Pressure type | Absolute pressure | ||
Display | Optional LCD display,display area 45X30mm | ||
Display resolution | 0.01kPa | ||
Overload pressure | 200Kpa | ||
Accuracy | ±0.25%F.S | ||
Operating temperature | -20℃~70℃ | ||
Compensation temperature | -10℃~60℃ | ||
Storage temperature | -40℃~70℃ | ||
Protection grade | IP65 | ||
Electrical connection | Two-wire system | Three-wire system | Four-wire system ① |
Output signal | 4~20mA | 0~10VDC | RS485 |
Power supply | 12~30VDC | 12~30VDC/24VAC±20% | |
Communication | RS-485 Standard interface,Modbus RTU protocol | ||
Shell material | Flame retardant PC shell(UL94-V0),ABS probe housing and polymer filter layer | ||
Output load | ≤250Ω(current output),≥5KΩ(voltage output) | ||
ORDER REF NO.
Code and Description | Remark | |||||
LFM57 | Model | |||||
N | No display screen | Display Function | ||||
O | Have a display screen | |||||
… … … … … | A4 | 4~20mA | Output Method | |||
V10 | 0~10VDC | |||||
RS | RS-485/Modbus | |||||
… … … | ||||||
