LEFOO LFM108 Low Differential Pressure Transmitter
Low differential pressure measurement for HVAC and environmental equipment. This exact model identifier appears in LEFOO’s official download list.
Manufacturer: LEFOO
Manufacturer Technical Data
LEFOO official downloadable datasheet index (find LFM108) →
Consult exact datasheet for range, accuracy, power supply, environmental limits and options. This entry identifies a catalog model, not every option/SKU.
LFM108 HVAC low-differential pressure
Low differential pressure is normally measured between two defined ports. Confirm the actual LFM108 selectable span, zero offset procedure and static-pressure limit separately. For ventilation or filter applications, tubing length, kinks, condensation and the high/low port connection can dominate errors. Integrate the real output option with the BMS, and do not assume the device performs an independent airflow safety switch function.
LFM108 — HVAC low-differential-pressure variant data
| Selection parameter | Verified manufacturer evidence |
|---|---|
| Measurement | Air and neutral gases; ±100, ±1,000 or ±10,000 Pa pressure-range selections. |
| Accuracy and response | ±1% full scale; 0.5, 1, 2 or 4 second response filtering. |
| Signals | 4–20 mA, 0–5 V, 0–10 V or RS485 Modbus RTU depending on two-, three-, four- or five-wire model. |
| Overload/temperature | Maximum overload stated as 15 times rated pressure; working −20 to +70°C, compensation −10 to +60°C. |
| Installation | IP54, Ø6.2 mm barbed pressure interface, approximately 140 g. |
Engineering note: Use the delivered order code to pair supply voltage and output pinout; zero calibration and clean pneumatic hoses determine low-pressure accuracy. The signal cannot directly establish fan safety integrity.
Official LEFOO model specification · examined 26 October 2026.