LEFOO · DIFFERENTIAL PRESSURE TRANSMITTERS

LEFOO LFM52 Differential Pressure Transmitter

LEFOO LFM52 original manufacturer model photograph
LEFOO LFM52: original LEFOO model housing image; fitted range, electronics, display and certified module/options may differ by ordered part code.

Non-Ex-rated multi-range air differential pressure transmitter with ±100/1000/10000 Pa variants, ±1% FS accuracy, Modbus/RS485 or analog output options.

Manufacturer: LEFOO

Ex-proof status: Not verified. No ATEX/IECEx/Ex certification stated (CE/RoHS only in product documentation).

Official Documentation

Open manufacturer technical source →

The official material may cover several option codes. Confirm live availability, output configuration, safety marking and exact variant with the manufacturer.

Verified manufacturer model evidence

The original LEFOO LFM52 technical page shows this exact instrument housing. Accuracy and analog/RS485 communication, display, power supply and pressure-range choice depend on the model ordering combination. This is a non-hazardous-area HVAC differential-pressure transmitter; CE/RoHS statements must not be read as ATEX or IECEx approvals.

LFM52 — standard DP not Ex-rated

The regular LFM52 air differential transmitter lists variant pressure spans of ±100, ±1,000 or ±10,000 Pa and approximately ±1% full-scale accuracy. Check actual sensor zero, port reversal and acceptable common-mode pressure before using it for cleanroom or duct flow monitoring. RS485/Modbus and analog selections may differ by ordering suffix. Ordinary CE/RoHS declarations do not establish hazardous-area approval; LFM52 must not be substituted for certified LFM751 without redesign.

LFM52 — conventional DP transmitter

LFM52’s approximate ±100/1,000/10,000 Pa options and ±1% FS family accuracy must be evaluated at the chosen measurement span. Port routing, field zeroing and tubing moisture protection matter for filter loading or cleanroom monitoring. Check selected analog output or RS485 map before wiring. Standard CE/RoHS evidence does not make LFM52 interchangeable with an Ex-certified LFM751.