Instrument and Meter Manufacturer

LFM751 Intrinsically Safe Differential Pressure Transmitter
PRODUCT FEATURES
- Intrinsically safe,and Dust Explosion-proof certification;
- Cast aluminum shell,protection grade IP65;
- Reverse polarity protection,stable performance;
- CE Certification.
Description
LFM751 Low Differential Pressure Transmitter can be used in hazardous situations.It has a cast aluminum housing and highlevel of protection.It is suitable for various complex industrial conditions,such as natural gas pipeline monitoring,power plantair supply system,and pharmaceutical factory clean engineering.It adopts high-precision imported MEMS micro-pressuresensing cell,with characteristics of fast pressure response,stable long-term output,superior temperature performance,convenient installation,and strong electromagnetic interference resistance.Two models available:intrinsically safe explosion-proof and intrinsically safe dust explosion-proof.Intrinsically safe explosion-proof can work in Zone 0,1,and 2,andintrinsically safe dust explosion-proof can work in Zone 21 and 22.
Specification
| Pressure range | LFM751-6 | -100~+100 Pa(Min range:0~+50 Pa) |
| LFM751-0 | -1000~+1000 Pa(Min range:0~+100 Pa) | |
| LFM751-2 | -10000~+10000 Pa(Min range:0~+1000 Pa) | |
| Overload Pressure | 10 kPa(Range≤1000 Pa),80 kPa(Range>1000 Pa) | |
| Accuracy | ±0.5%FS(Range≥500 Pa)/±1%FS(Range<500 Pa) | |
| Medium | Air and neutral gases | |
| Temperature | -20℃~70℃ | |
| Compensation temperature | -5℃~65℃ | |
| Storage temperature | -40℃~80℃ | |
| Output | 4~20 mA(two wire) | |
| Load Resistance | ≤250Ω | |
| Power supply | 12~30 VDC | |
| Explosion-proof mark | Exia ⅡCT4 Ga /Ex ib ⅢCT130℃ Db | |
| Explosion-proof parameters | Ui:30VDC;li:120mA;Pi:0.75W;Ci:0.01uF;Li:OmH | |
| Certificate | CE certification,intrinsically safe explosion-proof certification,intrinsically safe dust explosion-proof certification | |
| Housing Material | ADC12(Note:The product shell is made of aluminum alloy.The risk of ignition caused by impact or friction must be prevented during use.) | |
| Protection Grade | IP65 | |
| Pressure Connector | Metal barbed interface,φ6.2mm | |
| Cable Connector | Max cable diameter φ8 mm | |
| Weight | 375g | |
Product Selection
| Code and description | Remark | ||||||
| LFM751 | Model | ||||||
| 6 | -100~100Pa | Measurement range | |||||
| 0 | -1000~1000Pa | ||||||
| 2 | -10000~10000Pa | ||||||
| B | Intrinsically safe explosion-proof | Explosion-proof model | |||||
| F | Intrinsically safe dust explosion-proof | ||||||
| LFM751 0 B | Selection 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.
















