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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

LYN Series Communication Signal Isolator

Suitable for RS485 communication devices, providing physical isolation of the 485 differential signal.

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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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LYG-...1 Series Signal Isolators

Suitable for scenarios where signal transmission between automation instruments, control systems, and actuator structures leads to mutual interference, causing system instability and erratic data fluctuations. It is also ideal for situations where signals from different devices or instruments need to be converted to ensure compatibility. Additionally, this solution excels in cases where a single signal needs to be split into multiple channels, each routed to separate devices. ⚪ Addressing loop interference caused by multi-point grounding. ⚪ Addressing electromagnetic interference and the intrusion of higher harmonic signals. ⚪ Provides isolated power to the field transmitter and collects loop current signals for the downstream system. ⚪ Applicable on-site equipment: two-wire transmitters, three-wire transmitters, and current source signals

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LYW-...P Series Passive Power Distribution Isolator

Suitable for scenarios where signal transmission between automation instruments, control systems, and actuation structures leads to mutual interference, causing system instability and erratic data fluctuations. Also ideal for situations where signals from different devices or instruments need to be converted to match each other. For example, when a single signal needs to be split into multiple channels, each sent to separate devices. ⚪ Addressing loop interference caused by multi-point grounding. ⚪ Addressing electromagnetic interference and the intrusion of high-order harmonic signals. ⚪ Provides isolated power to the field transmitter and collects loop current signals for the downstream system. ⚪ Applicable field devices: Two-wire transmitters, three-wire transmitters, current source signals

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LYT Series Temperature Signal Isolator

Suitable for on-site RTD and thermocouple temperature sensors, converting their resistance/mV signals into isolated 4-20mA or similar signals before transmitting them to PLC/DCS systems. Addressing the following scenario challenges:

① Signal interference and data instability between instruments and systems.

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

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

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LYG-...2 Series Output-Type Isolator

Suitable for scenarios where signal interference occurs between instruments and equipment during signal transmission in automated instrumentation, control systems, and actuation structures—leading to system instability and erratic data fluctuations. Also ideal for situations where signals from different devices or instruments need to be converted due to their varying characteristics. For example, when a single signal needs to be split into multiple channels to simultaneously feed different pieces of equipment. ⚪ Addressing loop interference caused by multi-point grounding. ⚪ Addressing electromagnetic interference and the intrusion of high-order harmonic signals. ⚪ System-side current/voltage output is sent to the field-mounted valve positioner. ⚪ Applicable on-site equipment: valve positioners, electrical converters

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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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