Instrument and Meter Manufacturer

LFS11 Low Air Velocity Transmitter
PRODUCT FEATURES
- Adopts imported high-precision MEMS sensor,featuring excellent long-term stability and outstanding anti-interference performance.
- Power supply and output circuits are equipped with overload protection and reverse connection protection functions.
- Isolated output is available as an option.
- Boasts strong anti-pollution capability,with convenient and efficient installation and maintenance.
Description
LFS11 Low Air Velocity Transmitter is designed for accurate measurement of very low air velocity,and still has highmeasurement accuracy in application where air velocity is less than 0.15m/s.LFS11 uses a high-quality hot film sensormanufactured based on MEMS technology,which has the characteristics of high measurement accuracy,good stability andstrong environmental adaptability,which is ideal for laminar flow monitoring and special ventilation applications,mainlyused in key environments such as medical institutions,laboratories,and pharmaceutical industry.



Specification
| Working voltage | 12-30VDC/24VAC(±20%) |
| Range① | 0-1m/s,0-1.5m/s,0-2m/s optional |
| Accuracy | ±(0.04m/s+3%of mv)(20℃,45%RH and 1013hPa) |
| Resolution | 0.01m/s |
Output mode | RS485/Modbus,0~10VDC/4~20mA(Voltage and current dual output)optional |
Output load | ≤250Ω(Current mode),≥5KΩ(Voltage type) |
| Working temperature | -10~+60℃ |
| Storage temperature | -20~+80℃ |
Probe length | 210mm(optional) |
| Display | Optional LCD display with unit display and backlight |
| Protection | IP65,IP20(Probe) |
Sheathing material | PC,PA6(Probe) |
| Certification | ROHS,EU Electrical Safety Standards CE |
①Can be selected by jumper
Product Selection
| LFS11- | Low Air Velocity Transmitter | Model | |||
| VI | 0~10VDC/4~20mA | Output | |||
| RS | RS485/Modbus | ||||
| 1 | Duct Type Low Air Velocity Transmitter | Installation method | |||
| 2 | Split Type Low Air Velocity Transmitter | ||||
| D | with display | Display | |||
| N | without display | ||||
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.











