Instrument and Meter Manufacturer

LFM76 Explosion-Proof Differential Pressure Transmitter
PRODUCT FEATURES
- Use MEMS micro pressure core,with high accuracy and wide working temperature range;
- LCD digital display with clear reading;
- Zero button available,pressure range adjustable;
- Strong stability,long service life;
- IP65 protection level housing.
Description
LFM76 Explosion-proof Differential Pressure Transmitter is a high accuracy and high stability device designed for explosionrisk environment.It is equipped with multiple optional pressure ranges,with easy on-site adjustment through buttons.Use Ip65housing,suitable for energy management systems,HVAC,VAV and fan control,environmental pollution control,pressure andsmoke hood control of static pipeline and clean room,oven pressurization,and boiler ventilation control.
Specification
| Measurement Medium | Air or neutral gas |
| Pressure Range | ±100Pa~±10000Pa(customized) |
| Overload pressure | 10KPa;80KPa (LFM76-3) |
| Accuracy | ±1.0%FS |
| Working Temperature | -20℃~70℃ |
| Compensation Temperature | -10℃~60℃ |
| Storage Temperature | -40℃~80℃ |
| Response Time | 0.5s(default)/1.0s /2s /4s |
| Ingress Protection | IP65 |
| Pressure Connection | Stainless steel 1/2″quick connection |
| Output Signal | 4~20mA/0~10VDC/RS485 |
| Power Supply ① | 12~30VDC/24VAC±20% |
| Power Consumption | ≤1.5W |
| Shell Material | Cast Aluminium |
| Communication | RS-485 standard interface,Modbus RTU protocol |
| Certification | ROHS,CE |
| Explosion-Proof Grade | Ex db IIC T6 Gb |
| Display | LCD digital display |
| Weight(Approximate) | Main Unit:1362g |
①When the product is powered by AC power,it is recommended to use an isolated AC power supply.
Product Selection
| Code and Description | Remark | |||
| LFM76- | Model | |||
| 1 | -100Pa~100pa | Pressure Range | ||
| 2 | -1000Pa~1000Pa | |||
| 3 | -10000Pa~10000Pa | |||
| X | Special requirements | |||
| A | 4~20mA /RS485 | Output Mode | ||
| B | 4~20mA /0~10VDC | |||
| C | 0~10VDC/RS-485 | |||
| LFM76-2A Range:±1000Pa,Output:4~20mA/RS-485 Double Output | Example | |||
FAQs
We provide pressure measuring instruments, level measuring instruments, temperature and humidity measuring instruments, pressure switches, miniature water pumps, flow meters, and other products.
Sample=7 days,10~100 pcs=15 day,buck order is negotiable.
Yes, customized is accept, please contact us for specific requirements.
Yes, you can contact our engineers to request samples.
Please carefully inspect the following products ordered from LEFOO when you receive them.If you do not meet your reservation requirements or find that the products have surface quality problems,please take photos and contact the sales engineer who served you.Once this kind of product is signed,within 7 days,the LEFOO product will maintain the original quality and function when it was sold,and the product itself,accessories,and trademark logos are complete,and you can return the product without reason.Within 30 days,accept the return application due to quality reasons.
- For more information on refund timing and amounts(including partial refunds and restocking fees),please contact the sales engineer who served you.·
- If you have returned an item to LEFOO by mistake or included something not intended for LEFOO in a return,please contact the sales engineer who served you.
- To ensure a good return experience for you,you must adhere to LEFOO’s Return and Refund policies.Thank you for your cooperation.


















