Instrument and Meter Manufacturer
LFS72 Explosion-Proof Air Velocity Transmitter
PRODUCT FEATURES
Description
LFS72 Explosion-proof Air Velocity Transmitter is suitable for gas flow measurement in Explosion-proof environments.It canconvert the flow rate of gas into an electrical signal and transmit it to the control system.The range can be adjusted on-sitethrough buttons,and the IP65 protection grade casing is used.It is suitable for energy management systems,VAV and fancontrol,environmental pollution control,smoke hood control,oven and boiler ventilation control and other fields.
Specification
| Measurement Medium | Air or neutral gas |
| Range | Air velocity:0~10 m/s,0~20 m/s,0~30 m/s,0~40 m/s(Range can be customized.) |
| Overload pressure | 10KPa |
| Accuracy | ±3.0%FS(Air velocity>3 m/s) |
| Working Temperature | Main Unit:-20℃~70℃;Probe:-40℃~450℃ |
| Compensation Temperature | -10℃~60℃ |
| Storage Temperature | Main Unit:-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 | |||
| LFS72- | Model | |||
| 1 | 0~10m/s | Air Velocity Range | ||
| 2 | 0~20m/s | |||
| 3 | 0~30m/s | |||
| 4 | 0~40m/s(L-type pitot tubes only) | |||
| X | Customized | |||
| A | 4~20mA /RS485 | Output Mode | ||
| B | 4~20mA /0~10VDC | |||
| C | 0~10VDC/RS-485 | |||
| LFS72-2A Range:0~20m/s,Output:4~20mA/RS-485 Double Output | Example | |||
FAQs
What types of products can we offer?
We provide pressure measuring instruments, level measuring instruments, temperature and humidity measuring instruments, pressure switches, miniature water pumps, flow meters, and other products.
What logistics do we ship through?
Sample=7 days,10~100 pcs=15 day,buck order is negotiable.
Can it be customized as per our requirements?
Yes, customized is accept, please contact us for specific requirements.
Can I get samples?
Yes, you can contact our engineers to request samples.
What services are included in the after-sales service
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.
