Instrument and Meter Manufacturer
LFS73 Explosion-Proof & High-Temperature Integrated Air Velocity/Air Volume Transmitter
PRODUCT FEATURES
Description
LFS73 Explosion-proof &High-temperature integrated Air Velocity/Air Volume Transmitter is a kind of transmittersuitable for high temperature explosion-proof environment of gas flow measurement,it can convert the flow rate /flowof gas into electrical signals,and transmit it to the control system.Measurement range can be adjusted through thebutton on site.Using IP65 protection housing,which is suitable for energy management system,VAV and fan control,environmental pollution control,smoke cover control,oven and boiler ventilation control and other fields.
Specification
| Measurement medium | Air or neutral gas |
| Range | Air velocity:0～30m/s(range can be adjusted between 5～30m/s) 0~100m/s(range can be adjusted between 35～100m/s) Air volume :customized air volume(Max.99999m³/h) |
| Overload pressure | 10KPa(0~30m/s);80KPa(0~100m/s) |
| Accuracy① | ±3.0%FS(Air velocity>3m/s) |
| Working temperature | Main Unit:-20℃~70℃;probe:-40℃~450℃ |
| Compensation temperature | -10℃~60℃ |
| Storage temperature | Main Unit:-40℃~80℃ |
| Response time | 0.5s/1.0s(default)/2s/4s |
| Ingress Protection | IP65 |
| Electrical interface | Six-core wire,cable diameter of 8mm |
| Output signal | 4～20mA&0～10VDC&RS485 |
| Power Supply② | 12～30VDC/24VAC±20% |
| Power consumption | ≤1.5W |
| Shell material | Cast aluminium |
| Communication | RS-485 standard Interface,Modbus RTU protocol |
| Certification project | ROHS,CE |
| Explosion-proof grade | Ex db IIC T6 Gb |
| Display | LCD backlit digital display |
①Environmental conditions:temperature:20℃,humidity:45%RH,atmospheric pressure:1035hPa.
②When the product uses theACpower supply,it is recommended to use the isolatedAC power supply.
Product Selection
| LFS73- | Model | Notes | ||||||||||
| 1 | 0-30m/s(The measuring range can be adjusted between 5-30 m/s) | Range | ||||||||||
| 2 | 0-100m/s(The measuring range can be adjusted between 35-100 m/s) | |||||||||||
| 3 | Air volume Customized(max 99999m³/h) | |||||||||||
| A | 4-20mA&RS485 | Output | ||||||||||
| B | 4-20mA&0-10VDC | |||||||||||
| C | 0-10VDC&RS485 | |||||||||||
| L5 | 50mm | Insertion depth into duct–L | ||||||||||
| L10 | 100mm | |||||||||||
| L15 | 150mm | |||||||||||
| L20 | 200mm | |||||||||||
| XX | Customized | |||||||||||
| T15 | -40~150℃(The length of the cold end is about 100mm) | Medium temperature ① | ||||||||||
| T30 | -40~300℃(The length of the cold end is about 150mm) | |||||||||||
| T45 | -40~450℃(The length of the cold end is about 300mm) | |||||||||||
| F | Metal flange | Installation type | ||||||||||
| L | Threaded installation | |||||||||||
| XX | Pipe cross-sectional area(m²) The selection of air volume transmitters requires filling in the cross-sectional area of the pipeline | |||||||||||
| LFS73 | 1 | A | L15 | T15 | F | |||||||
| LFS73-1AL15T15F range:0-30m/s、output:4-20mA&RS485、insertion depth into duct:150mm、 medium temperature:-40~150℃、Installation type:metal flange | ||||||||||||
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.
