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LFT2021 hygienic pressure transmitter uses high‑performance piezoresistive pressure sensors as its measuring element. Through an internal dedicated digital integrated chip, it converts process pressure into an electrical signal output that can be read by PLCs, recorders, controllers, and computer ports. The transmitter features an integrated design with stainless steel electro‑polishing, and the 316L diaphragm isolates the measured medium. It is highly suitable for high‑temperature and chemical cleaning processes. It uses standard sanitary process connections, meets CIP/SIP requirements, and enables quick disassembly and replacement. This transmitter supports customer customization and can be widely used in the fields of food, beverage, pharmaceuticals, and bioengineering.
| Range | -100kPa…0~20kPa…3.5MPa |
| Overload Pressure | 1.5 times the rated pressure |
| Accuracy① | ±0.25%F.S.±0.5%F.S. (Range ≤100kpa) |
| Stability | ≤0.5%F.S./year |
| Working Temp | -20 ~ 85℃ |
| Medium Temp | -20 ~ 150℃ |
| Storage Temp | -40 ~ 100℃ |
| Temperature effect | Accuracy drift ≤ ±0.2% F.S./10℃ @ -20~85℃ (for ranges ≤ 100 kPa, ≤ ±0.3% F.S./10℃) |
| Measured Medium | Media compatible with 316L stainless steel |
| Wiring Method | 2‑wired 3‑wired 4‑wired |
| Output | 4~20mA 0~10V,0~5V,0.5~4.5V Rs485 |
| Power Supply | 8~36VDC 12~36VDC,8~36VDC,4.75~5.25VDC 10~30VDC |
| Maximum power② | ≤1W |
| Electrical Connection | M12 four‑pin circular aviation plug、DIN43650A |
| Ingress Protection | Ip67 (M12 four‑pin circular aviation plug) ; IP65 (DIN43650A) |
| Pressure Form | Gauge/Absolute |
| Certification | ROHS、CE |
Utilizes an oil‑filled diffused silicon core with high precision and high stability.
Built‑in temperature compensation based on ASIC technology; diaphragm structure with an integrated heat sink, fully suitable for process medium temperatures up to 150℃.
Using an integrated welded 316L stainless steel diaphragm, the wetted parts support Ra ≤ 0.8μm electro‑polishing, suitable for CIP/SIP processes.
The process connection is designed in accordance with standard specifications such as EHEDG and 3‑A. It features a complete diaphragm and excellent resistance to clogging, scaling, and drainage performance.
Featuring a welded enclosure and offering a maximum protection rating of IP67, it is capable of withstanding external spray cleaning and high‑humidity environments.