Products Description
DESCRIPTION
FM55 Differential Pressure Transmitter is widelyin diferentiapressure detection of air or neutralqas,,The productinstalation takes up small space,and can be embedded in system surface or installed inside switch box.The product paneis made of 316L stainless steel.The surface is smooth and dust-free and has strong corosion resistance,which meets cleanroom standard.Customers can selup measurement range,communication address and other funcions on site.The producthas sound and ight alarm function,and can set the alarm pressure point,alarm delay time,and alarm function on/off on site.the product adopts imported micro-pressure sensing element with temperature compensation,and has the characteristicsof sensitive pressure response,long-term output stablity,and excelent temperature performance.The products can bewidely used in clean rooms,operating rooms,dust-free laboratories,also suitable for HVAC,inteligent buildings and otherapplications.
SPECIFICATION
Medium | Dry air and neutral gases | |
Pressure range | ±100Pa,Field configurable range | |
Display | Backlit LCD display,display screen size 45×30 mm | |
Display resolution | 0.1Pa | |
Overload pressure | 7Kpa | |
Accuracy | ±1Pa | |
Operating temperature | -20℃~70℃ | |
Compensation temperature | -10℃~60℃ | |
Storage temperature | -40℃~80℃ | |
Protection grade | IP30 | |
Electrical connection | Four-wired | Six-wired |
Output signal | RS485 | 4~20mA/0~10VDC |
Power supply ① | 9~30VDC/24VAC±20% | 12~30VDC/24VAC±20% |
Pressure connection | φ6.5mm,quick fit | |
Communication | RS-485 Standard interface,Modbus RTU protocol | |
Shell material | Fireproof Plastic UL94 VO&Stainless Steel Panel | |
Certification | ROHS、CE | |
Weight (Approximate) | 225g |
①When the product is powered by an AC power supply, it is recommended to use an isolated AC power supply.
ORDER REF NO.
Code and Description | Remark | |||||
LFM55 | Embedded differential pressure transmitter | Model | ||||
1 | -25~25Pa | Measurement | ||||
2 | -50~50Pa | |||||
3 | -100~100Pa | |||||
4 | Customized Range | |||||
A | 4~20mA&0~10VDC(simultaneous output) |
| ||||
E | RS-485 Communication | |||||
S | Side Intake | Air Intake | ||||
B | Rear Air Intake | |||||
Note:LFM551AS refer to measure range is ±25pa,4~20mA and 0~10VDC output,side air intake.