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OUTER ELECTRONIC TECHNOLOGY (HK) LIMITED

  • China,Shenzhen ,Guangdong
  • Verified Supplier
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China QBJ-31ZW axial displacement monitoring and protection instrument is compatible
China QBJ-31ZW axial displacement monitoring and protection instrument is compatible

  1. China QBJ-31ZW axial displacement monitoring and protection instrument is compatible

QBJ-31ZW axial displacement monitoring and protection instrument is compatible

  1. MOQ: 1
  2. Price: Negotistical
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Packaging Details New original box
Brand Name OEM
Model Number QBJ-31ZW
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Packaging Details New original box Brand Name OEM
Model Number QBJ-31ZW Place of Origin China
High Light ±2mm Measurement Range Axial Displacement Monitor4~20mA Output TSI System MonitorRS485 Communication Interface Protection Instrument
QBJ-31ZW Axial Displacement Monitoring and Protection Instrument

Compatible with TSI system for comprehensive axial displacement monitoring and protection.

QBJ-31ZW Axial Displacement Monitoring Instrument
System Overview

This monitoring and protection instrument, equipped with a QBJ-3800XL eddy current sensor, measures and protects against critical parameters including axial displacement and differential expansion of industrial units. The system utilizes non-contact eddy current sensor technology, widely applied across power generation, machinery, chemical processing, metallurgical operations, and various industrial sectors.

Eddy current sensors operate by generating high-frequency electromagnetic fields that interact with measured objects to determine displacement. This technology offers significant advantages including extensive linear range, high precision, exceptional sensitivity, broad frequency response, stable temperature characteristics, and immunity to interference from oil, steam, or other industrial media.

Technical Parameters
Measurement Range ±2mm (-2.00~+2.00mm) or ±5mm (-5.00~+5.00mm) depending on sensor selection
Linearity Error ≤±0.5% (full scale)
Output Current 4~20mA (direct DCS system integration with passive contacts)
Alarm/Danger Output Passive contact DC24V/2A
Operating Environment -25℃~45℃, Relative Humidity ≤90%
Noise Level ≤1% (full scale) when no signal input
Power Supply AC220V±10%/50Hz
Physical Dimensions
Mounting Type External Dimensions (mm) Opening/Installation Dimensions (mm)
Disc-mounted Width 160 * Height 80 * Depth 260 Width 153 * Height 77 * Depth 260
Wall-mounted Width 192.5 * Height 290 * Depth 95 Width 170 * Height 272 * Depth 98
Main Functions
  • Axial displacement output display with separate positive/negative alarm and danger relay contact outputs
  • Range configuration with current output corresponding to 4-20mA
  • Disconnection detection protection with relay output blocking and 5-second delay recovery
  • Gap voltage detection and output display with automatic return to displacement detection
  • Customizable alarm/danger value settings within operational range
  • Four-level selectable alarm/danger relay output delay settings (0.1S, 1S, 3S, 6S)
  • Alarm/danger value memory with date recording (year, month, day)
  • Optional RS485 communication interface
  • Automatic return to measurement state after inactivity period
Communication Instructions
  • RS485 half-duplex asynchronous communication mode
  • Data transmission interrupt polling mode operation
  • String-based data transmission protocol
  • 9-bit data format with 8 data bits and 9th bit for address/data designation

Company Details

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,

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 from Quality China Factory
  • Business Type:

    Exporter,Trading Company,Seller

  • Year Established:

    2000

  • Total Annual:

    3 Million-4 Million

  • Ecer Certification:

    Verified Supplier

Our company OUTER ELECTRONIC TECHNOLOGY (HK) LIMITED focus is on steel mills, power plants, cement plant , chemicals, paper, CNC numerical control machine tool industry system spare parts! Main products: DCS system cards, spares of turbine ,generator ,boiler ,blower , coal mill , motor , transformer... Our company OUTER ELECTRONIC TECHNOLOGY (HK) LIMITED focus is on steel mills, power plants, cement plant , chemicals, paper, CNC numerical control machine tool industry system spare parts! Main products: DCS system cards, spares of turbine ,generator ,boiler ,blower , coal mill , motor , transformer...

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  • OUTER ELECTRONIC TECHNOLOGY (HK) LIMITED
  • NO. 7-A5, ZHONGHANGBEIYUAN BUILDING, 42 ZHONGHANG ROAD, HUAQIANGBEI SUBDISTRICT, FUTIAN DISTRICT, SHENZHEN , CHINA
  • https://www.electric-valveactuator.com/

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