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SDJ-3NA Shaft Vibration Monitoring and Protection Instrument
High-precision dual-channel vibration monitoring transmitter for industrial protection systems
System Overview
The SDJ-3NA shaft vibration monitoring and protection instrument (intelligent type) receives vibration signals from two independent 3800XL eddy current sensor sources. The amplitude values of both signals are continuously displayed on the LED digital display with decimal point precision. This protection system features high-pass and low-pass filters with isolation barriers, significantly enhancing anti-interference capability. Available in panel-mounted and wall-mounted versions, it is primarily designed for applications in power generation, steel production, building materials, and chemical industries.
Compatible with 3800XL-8mm eddy current sensor (measuring relative shaft vibration)
Display Method
Independent digital display for Channels A and B
Linearity Accuracy
≤ ±0.5% (full scale)
Output
Current: 4-20mA (corresponding to upper and lower limits)
Load <1KΩ, compatible with DCS systems
TDM vibration signal analysis output
Alarm and hazard switch outputs: Passive contact DC24V/2A
Digital display for vibration A and B channels with amplitude and installation gap voltage switching options
Independent alarm and dangerous relay node output for A and B channels
Current output range: 4-20mA corresponding to measurement range limits
TDM vibration signal analysis output capability
Four range settings available: 100, 200, 500, 1000μm
Customizable alarm threshold values within measurement range
Alarm danger relay output delay setting selection
Measurement maximum value memory function
Disconnection detection protection: Blocks relay output during disconnection, releases after 5-second delay upon recovery
Gap voltage measurement and display for installation reference
Automatic return to measurement state after 1 minute of inactivity in data setting mode
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
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...
