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GK439 Accurate Analog Voltage Transmitter

GK439M accurate analog voltage transmitter is a precise voltage amplifier based on differential input and providing precise DC10V/150mA sensor excitation power supply. The product is applicable to the amplification and transmission of the o
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  • Application
  • Features
  • Dimensions
  • Parameters
GK439M serious of products are differential-input precise voltage amplifiers, which manage to provide 
precision power supply of DC10V/150mA to sensors. The power supply can be applied to signal amplification
 and transmission of straingaugetype transducers. In terms of the subtypes of GK439M, the Fixed span Type is
 suitable for monitoring systems with digital calibration, while the Adjustable span Type is adaptable for 
monitoring systems with simulative calibration.


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 Transmission performance Operating parameter
 Amplification factor:500±0.2%(Fixed);400——1400(Adjustable)   Power supply for bridge  :10V±1%/150mA
 Zero Range:±0.1mV(Fixed);±10%FS(Adjustable ) Temperature Coefficient for bridge:≦0.01%/°C(Low drift);≦0.05%/°C(Normal)
Zero temperature drift:≦5μV/°C(Fixed);≦50μV/°C(Adjustable) ;  Power Supply  :DC24V±20%
Temperature Coefficient span:≦0.01%/°C( Low drift);≦0.05%/°C(Normal) Typical output load:10kΩ(Voltage output)/250Ω(Current output)
 Non-Linearity Error :≦0.01% Basic temperature range:25±5°C
 Input impedance  :≧100MΩ Opertating temperature rang:-20°C—+50°C
  -3dB Frequency :≈1000Hz  

Model selection
(1)Low drift type(Temperature Coefficient range less than or equal to100ppm/°C)

Model Span Output Shape Connector
Fixed Adjustable 4-20mA 1-5V ±10V Stander Thicken Terminal 12 Socket 16 Socket
GK439AI-CJ            
GK439AI-CY            
GK439AI-ChY            
GK439AV-CJ            
GK439AV-CY            
GK439AV-ChY            
GK439AD-CJ            
GK439AD-CY            
GK439AD-ChY            


(2) General type(Temperature coefficient typicalvalue is 250ppm/°C)
Model Span Output Shape Connector
Fixed Adjustable 4-20mA 1-5V ±10V Stander Thicken Terminal 12 Socket 16 Socket
GK439AlI-CJ            
GK439AlI-CY            
GK439AlI-ChY            
GK439AlV-CJ            
GK439AlV-CY            
GK439AlV-ChY            
GK439AlD-CJ            
GK439AlD-CY            
GK439AlD-ChY            
GK439BI-CJ            
GK439BI-CY            
GK439BI-ChY            
GK439BV-CJ            
GK439BV-CY            
GK439BV-ChY            
GK439BD-CJ            
GK439BD-CY            
GK439BD-ChY