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20 documentsGY-WT11 User Manual
This manual describes the DIN-rail water leak controller's functions, interfaces and specifications. It covers sensing cable connections, sensitivity adjustment, relay outputs and Modbus RTU communication, along with mounting, system wiring, handling precautions and ordering information for sensing cables, leader cables and fixing clips.
Read onlineAC-L_M_220V User Manual
This guide covers the AC-load magnetic door switch, including operating modes, power and load specifications, wire identification and wiring diagrams. It explains door-open light-on and light-off control for lighting integration and installation. AC wiring must be carried out by a qualified electrician.
Read onlineProduct manual
Dongguan Yongjie Smart Technology Co., Ltd.
Read onlineDS03A-NB NB-IoT Door Sensor
This manual describes the product specifications of the DS03A-NB, its door‑sensor detection and alarm functions, as well as the methods for connecting to a server via NB‑IoT, configuring AT commands, reading data, and updating the firmware. Applicable to equipment selection, installation and commissioning, and routine maintenance.
Read onlineGY-GD52 User Manual
This manual explains the photoelectric liquid detection principle, applications, specifications and wiring. It covers switching and RS485 output versions, Modbus RTU communication, register read/write examples, installation requirements and troubleshooting for integration into leak monitoring systems in server rooms and similar facilities.
Read onlineGY-SC-4 User Manual
This guide describes the construction, operating principle, detectable media and specifications of an acid/alkali leak locating cable. It explains how the cable works with a locating controller to identify a leak position, and covers leader cables, jumper cables, end terminations, routing and handling precautions.
Read onlineGY-SC-4A User Manual
This guide covers a leak locating cable that changes colour on contact with water. It explains sensing and colour indication, cable construction, specifications, available lengths and applications, together with controller, leader cable and end-termination connections, routing, cleanliness and precautions against false alarms.
Read onlineGY-TH78 User Manual
This manual covers the temperature and humidity transmitter's display, electrical specifications, wiring and output options. It includes RS485/Modbus RTU data reading, optional analogue outputs, address and baud-rate settings, temperature and humidity limits and offsets, communication troubleshooting and dimensional drawings.
Read onlineGY-TT300 User Manual
This manual introduces the three-axis inclination transmitter, its applications, measurement features and specifications. It covers switching and RS485/Modbus output options, dimensions, horizontal and vertical mounting, axis definitions, calibration requirements and wiring for structural inclination monitoring and equipment tilt measurement.
Read onlineGY-WT10 User Manual
This guide explains how a non-locating water leak controller works with sensing cables or probes. It covers leak alarms, relay integration, RS485/Modbus RTU communication, specifications and wire identification, together with installation location selection and precautions against static discharge and contamination.
Read onlineGY-WT12 User Manual
This guide describes a wired water detector using electrode conductivity sensing. It covers the sealed construction, power and environmental specifications, relay and logic-level outputs, wire identification and dimensions for water alarm systems in server rooms, base stations and warehouses. The source specifies that it is unsuitable for pure-water detection.
Read onlineGY-WT202 User Manual
This guide explains the wired water detector's electrode sensing principle, features and specifications. It provides normally open/normally closed relay and logic-level output information, wiring colours and dimensions for indoor standing-water and condensation monitoring systems. The source states that it is unsuitable for pure-water environments.
Read onlineGY-WT206 User Manual
This guide covers an electrode-based water leak sensor, its detection principle, normally open/normally closed dry-contact outputs and main specifications. It provides power and signal wire identification, dimensions, fixing-hole positions and mounting orientation for leak monitoring at low points and other areas where water may collect.
Read onlineGY-WT207 User Manual
This manual explains the point water leak sensor's conductivity-based detection, dry-contact outputs, specifications and dimensions. It covers wiring, electrode orientation, wall mounting, routine maintenance, transport and storage for water monitoring in electrical rooms, server rooms and cable trenches.
Read onlineGY-WT208-T User Manual
This manual covers a non-locating leak controller used with a three-core sensing cable. It describes detection, interface wiring, sensitivity and alarm settings, relay integration and Modbus RTU communication, with register queries, configuration examples, cable accessories, DIN-rail or wall mounting and wiring precautions.
Read onlineGY-WT208 User Manual
This manual introduces a non-locating water leak monitoring and alarm controller. It covers operating principles, specifications, interfaces, sensing cable connections and relay integration, with Modbus RTU frame definitions, status-reading and configuration examples, dimensions, mounting methods and communication troubleshooting.
Read onlineGY-ZN05 Website Design Notes
This document outlines the Yunjie website concept, including the homepage, product centre, application cases, FAQs, after-sales support and cooperation contacts. It sketches page structures for banners, certificates, product sections and listings. Its content is website planning, not a technical manual for the GY-ZN05 product.
Read onlineGY-ZNFB User Manual
This guide covers the explosion-proof magnetic door detector's drawings, specifications, normally open/normally closed signal options and wire identification. It explains switch and magnet placement, alignment and spacing, the effect of steel doors on sensing distance and the restriction against directly driving loads through the low-voltage contact.
Read onlineLB-103 User Manual
This guide explains the 103 audible and visual alarm's sound and flashing-light operation and its use with alarm controllers, infrared detectors and magnetic door contacts. It includes dimensions, voltage options, rated power, flash rate and colour choices for selecting an alarm device for on-site systems.
Read onlineSC-2 User Manual
This manual covers the two-core non-locating leak sensing cable's construction, short-circuit detection principle, specifications and applications. It explains forming a detection circuit with a non-locating controller, leader cable and end termination, together with cable routing, fixing, extension connections and protection against contamination and crushing.
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