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LPT-S High-Precision Pressure Transmitter

LPT-C Series Differential Pressure Transmitter

LPT-LS Single-Flange Pressure Transmitter

LPT-LC Dual-Flange Pressure Transmitter

LPT-F Diaphragm Pressure Transmitter

LYA-R Thermocouple Isolation Safety Barrier

The LYA-R series thermocouple isolation safety barrier primarily serves to receive thermocouple signals from hazardous areas on-site, isolates and converts them, and then transmits the signals to control systems or other combined instruments located in safe areas. It prevents hazardous signals from entering the hazardous environment via the intrinsically safe terminals, while also ensuring electrical, input, and output circuits remain completely isolated from one another.

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LYA-Z Thermal Resistance Isolation Safety Barrier

The LYA-R series thermocouple isolation safety barrier primarily serves to receive thermocouple signals from hazardous areas on-site, isolates and converts them, and then transmits the signals to control systems or other combined instruments located in safe areas. It prevents hazardous signals from leaking back into the hazardous area via the intrinsically safe terminals, while also ensuring complete electrical isolation among the power supply, input, and output circuits.

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LYA-C Operation Terminal Isolation Safety Barrier

The LYA-C series operator-isolated safety barrier primarily functions by receiving the 4–20mA signal from controllers or operators located in the safe area, isolating and converting it before outputting, thereby driving field-mounted actuators. It also prevents hazardous signals from entering the potentially explosive environment via the intrinsically safe terminals, while ensuring complete electrical isolation among the power supply, input, and output circuits.

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LYW-...G Series Passive Signal Isolator

Suitable for situations where it is inconvenient to provide separate power on-site, requiring isolation of on-site equipment and systems to enhance the system's resistance to interference.

Application 1: Receive the current signal output from the four-wire transmitter on-site, isolate it, and then output it to the system;

Application 2: Alternatively, receive the current signal output by the system, isolate it, and then send it to the field-mounted valve positioner or electrical converter.

In both application modes, the energy consumption during operation comes entirely from the input circuit.

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LYJ Series AC Signal Isolator

The primary function of the LYJ series AC signal isolators is to isolate and convert the input power-frequency voltage or current signal into a standard DC current or DC voltage signal required by the user, while ensuring electrical isolation among the power supply, input, and output.

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LYK Series Digital Signal Isolator

Suitable for receiving switch or proximity switch inputs from the field, with isolated output relay contacts. Each channel can be independently configured for either in-phase or out-of-phase control of input and output, and it also features an input line fault detection and alarm indication function.

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LYD Series Linear Resistance Isolator

Suitable for signal input of linear resistive potentiometers such as field-position potentiometers and angle potentiometers, converting them into standard current/voltage signals before transmitting to PLC/DCS systems. Resolving the following scenario issues:

① Signal interference between instruments and systems, leading to data instability.

② The interface signals between the instrument and the system differ, requiring signal conversion.

③ One-way signal transforms into multiple signals, supplying automated instruments and control systems.

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LT21 Series Temperature Sensors

Suitable for measuring the temperature of liquids, gases, or steam, this product converts temperature changes detected by the sensor into resistance or mV signals, enabling temperature acquisition and monitoring when paired with a downstream control system. This product features the following characteristics:
● High dielectric strength
● Multiple sensors available
● Various connection methods including fixed threads, adjustable threads, and flanges
● Special Coatings for Corrosive Environments
● Supports explosion-proof functionality

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LT22 Series Corrosion-Resistant/Wear-Resistant Temperature Sensors

Suitable for measuring the temperature of liquids, gases, or steam in corrosive environments, this product converts temperature changes detected by the sensor into either resistance or mV signals, enabling temperature acquisition and monitoring when paired with a downstream control system. This product features the following characteristics:
● Choose sheaths made from different materials to handle various corrosive media
● High dielectric strength
● Multiple sensors available
● Supports explosion-proof functionality

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LT23 Series Temperature Transmitter Module

Signal conversion for RTD (Resistance Temperature Detector) / TC (Thermocouple) sensors. Converts resistance and mV signals into a standard 4-20mA signal. This product features the following characteristics:
● Input types and ranges support mobile phone and thermocouple modifications
● Versatile PT100 and Thermocouple Compatible
● High-precision 0.1% FS
● Customizable HART functionality

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LT24 Series Simple Temperature Sensor

Suitable for measuring conditions with dense installations and fast response speeds. It converts temperature changes detected by the sensor into resistance or mV signals, which can then be used in conjunction with downstream control systems for temperature acquisition and monitoring. This product features the following characteristics:
● Can be made into a 1mm probe
● Multiple sensors available
● Customizable connection methods
● Durable, non-disposable product
● Low cost

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LT10 Thermal Resistance Temperature Transmitter

Suitable for temperature measurement in compact unit systems and piping or oil tanks of hydraulic lubrication stations. The sensor converts temperature changes into a 4-20mA signal, enabling temperature acquisition and monitoring when paired with the downstream control system. This product features the following characteristics:
● Compact in size
●Low-Drift Components
● Various connection methods including fixed threads, adjustable threads, and flanges
● Strong anti-interference capability

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Tianjin Ling Yu Technology Co., Ltd.

Operator:86-22-58554679
Fax: 022-58285528
Manager Ding: 86-18902041592

WhatsApp：8618902041592

Complaint Hotline:86-15822286986

Factory Address: No.5 Yingbin Road, Xiqing District, Tianjin

E-mail:sales@lingyukeji.com
Purchasing Department E-mail:lykj_tj@163.com

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