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LPT-24 Anti-Corrosion Precision Miniature Pressure Transmitter
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Product Description
Product Overview Product overview
The LPT-24 Anti-Corrosion Pressure Transmitter is a pressure measurement product that integrates pressure sensing, display, and output functions into one compact unit. Made from highly corrosion-resistant polytetrafluoroethylene (PTFE) engineering plastic, it is specifically designed and manufactured for use with corrosive media. Leveraging the exceptional corrosion resistance of ceramic sensors, the transmitter allows the corrosive medium being measured to come into direct contact with the ceramic sensor diaphragm. This design ensures outstanding corrosion resistance, durability, and robustness against overload impacts. The product is widely applied in industries such as petroleum, chemical processing, and more, providing precise measurements of corrosive gases and liquids.
Performance Metrics TECHNICAL PARAMETERS
Power supply: 12–32 VDC;
Measurement media: oil, water, gas;
Measurement range: Gauge pressure: -0.1 to 0...0.01 to 10 MPa; Absolute pressure: 0...0.1 to 10 MPa (higher requirements available upon customization)
Measurement accuracy: 0.25%FS; (Higher accuracy available upon customization)
Overload capacity: 2 times full-scale pressure:
Output signal: Two-wire 4-20mA; three-wire voltage output: 0-5V, 1-5V, 0-10V;
Communication methods: 4-20mA; RS485;
Load capability: Current type ≤500Ω, voltage type ≥250kΩ;
Threaded interface: M20×1.5 / G1/2" / Clamp connection / Flange connection (customizable based on site requirements);
Electrical Interface: Hirschmann waterproof cable glands with locking nut; M12 aviation connector
Temperature Drift Coefficient: Within the specified operating temperature range, for every 10°C change in ambient temperature, the output variation is ≤ ±0.05% of the full scale; annual drift < ±0.3%.
Long-term stability: ±0.1%FS/year;
Housing material: Die-cast aluminum, epoxy resin coating, with sealing gasket
Housing Protection: IP65
Explosion-proof rating: Exd IIC T6Gb;
Operating temperature: -20～85°C
Storage temperature: -40～100°C
Relative humidity: 0–95% RH
External dimensions APPEARANCE OF SIZE
Installation Requirements INSTALLATION
1. The pressure transmitter can be directly installed on the pipe component being measured. To facilitate installation and maintenance, it is recommended to install a shut-off valve between the pipe component and the pressure transmitter. In environments with significant vibration or impact, a flexible hose can be connected to the pressure transmitter’s fitting to achieve mechanical decoupling.
2. A sealing ring should be installed between the pressure transmitter connector and the pipe fitting or shut-off valve. For flush-head pressure transmitters, the internal thread depth of the pipe fitting or shut-off valve must exceed 25 mm.
3. In general, the pressure transmitter should be installed vertically, facing upward relative to the horizontal plane. During installation, use a wrench to tighten the transmitter by turning the hexagonal nut at its base—avoid directly twisting the upper part of the transmitter.
Note:
1. Do not poke the pressure port with sharp or hard objects, as this may damage the sensor’s pressure diaphragm. Additionally, since the pressure diaphragm is permanently integrated with the housing, it will become irreparable if damaged. Furthermore, product quality issues caused by improper use—such as accidental pressing of the diaphragm, static overloading due to particulate matter in the medium, or dynamic pressure surges—are not covered under our warranty. Therefore, users are strongly advised to take extra care in protecting the diaphragm during both installation and operation.
2. For areas prone to frequent lightning strikes, it is recommended to install lightning protection devices along the lines.
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Tianjin Ling Yu Technology Co., Ltd.
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