LFM11 Differential Digital Pressure Transmitter/Sensor for pressure monitoring building automation in the HVAC/R industry
1. Product Pictures:
LFM 11 Series Differential Pressure Transmitter
2. Product Specifications:
LFM110/112 serial differential pressure transmitters are engineered for building automation in the HVAC/R industry , pressure and flow monitoring, and low differential pressure test in industry application.
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Range |
LFM110 |
0~+/-100, 250, 500, 750, 1000 Pa |
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| LFM112 |
0~+/-1000, 2500, 5000, 7500, 10000 Pa |
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Precision |
±0.5% FS |
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Unit |
LFM110 / 112 |
Pa, mmH2O, mbar, inWG, mmHG, daPa, KPa, hPa |
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Allowable pressure |
LFM110 |
15,000Pa |
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LFM112 |
150,000Pa |
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Outlet signal |
1 group 4 ~ 20 mA or 0 ~ 10 Vdc ( 2 wire ) |
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Power |
16 ~ 30 Vdc/Vac ( 2 wire ) 24Vdc adaptor power supply 220Vac |
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Material:industrial plastic,flame retarded rating: UL94-V0
Protection grade:IP65
Display:LCD display,50 x 22.5 mm
Number height:test value 10 mm unit 5 mm
Pressure connection:metal barb connection,Ø 6.2 mm
Cable connection:max diameter: Ø 8 mm
Weight:140g
Transmitter function
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Precision |
1%FS |
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Response time |
20ms |
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Resolution |
1Pa,0.1mmH2O,0.01mbar,0.004inWG, 0.007mmHG,0.1daPa,0.001KPa,0.01hPa |
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Zero calibration |
Manual zero calibration or auto zero calibration when switch on. |
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media |
Air and neutral gas |
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Allowable pressure |
15KPa(W110) 150KPa(W112) |
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Operating TEMP |
0~+60°C |
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Storage TEMP |
-10~+70°C |
3. Product Dimensions(mm) :
4. Production Lines:
5. Patens:
6. Quality Control:
7. Why choose us?
25 patents
45 products were certified with UL,CSA,VDE,CCC and CE
50 engineers teamed for R&D
Coorperation experience with member in fortune global 500
8. LEFOO Exhibitions:
2018. 6 Aquatech Shanghai
2018. 4 Canton Fair
2018. 4 China Refrigeration show
2018.3 MCE Milano
2018.1 AHR Chicago
9. Packing and shipping:
Q1. Is LEFOO a reliable Manufacturer for pressure switches?
A : Yes. Lefoo is a manufacturer specializing in R&D&M pressure switches more than 20 years.
Q2. What is your MOQ?
A : Our MOQ is one carton quantity, vary from 25 pcs to 100pcs per different item.
Q3. What’s your life endurance and the warranty time?
A: It's 100K cycles, and our warranty is 18 Months.
Q4. What's your lead time for mass production?
A: About 2-4 weeks.
Q5. Is sample available for test?
A: Yes, contact us, and we will reply in 24 Hours.
Q6. I don't know which product to use, can you help?
A: Yes, contact us, we are professional in this area, will provide you a best solution.
Q7. What is your output capacity per month?
A: Our monthly output is 1 Million units.
Q8. Where is your plant?
A: The plant manufactures pressure switch is in Wenzhou city, Zhejiang Province,
The other plant manufactures RO pumps is in Hangzhou city, Zhejiang Province.
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