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JY500D8 Weighing Transmitter

JY500D8 digital weighing transmitter has a panel-mount structure and is mainly used as part of a weighing scale to convert between a weighing signal and a digital signal. With functions of weight limit judgment and latch display, it can be u
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  • Application
  • Features
  • Dimensions
  • Parameters
JY500D8 digital weighing transmitter has a panel-mount structure and is mainly used as part of a weighing scale to convert between a weighing signal and a digital signal. With functions of weight limit judgment and latch display, it can be used for weight limit control and data acquisition. JY500D8 is applicable to the automatic weighing apparatuses in industries including building materials, chemical, food, steel and iron, feed, etc.

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● Used for places needing to convert weighing signals into digital display signals, communication signals and standard analog output signals.
● 4-20mA or 1-5V (type I) analog signal output,RS485, RS232 (type S) digital communication interface.
● Can display current weighing value, latched value or analog output value.
● Two weight limit judgment functions, i.e. upper limit and lower limit, output judgment results by three NPN/PNP combined transistor ports.
● With an isolated input for receiving external zero-setting signal, taring signal or latch control signal.
● Can latch 160 weighing values automatically. “first-in, first-out” and push operation of data for the purpose of future reference. Data getting rate is up to 120 samples per second.
● Can obtain appropriate performance through parameter setting.
● Interior switching power supply and overvoltage protection circuit to adapt to large voltage fluctuation.
● Panel-mount type. Panel size: 1580mm (W) and 80 mm (D).
 
Basic parameters  
Display window
Scale interval
LCD matrix Two rows of LED nixie tubes for display A row of LED nixie tubes for display
96*64 Text height: 12.7mm/7.5mm Text height: 15mm
Maximum weighed value 1, 2, 5, 10, 20 and 50
Position of the decimal point ≤d×10000 + 9d
Product weight 0, 0.0, 0.00, 0.000 and 0.0000
Basic parameters About 0.5kg
Analog and AD performance indexes  
Static accuracy grade Meet third-class weighing instrument requirement
Maximum signal input range 0.02mV/V ~ 2.5 mV/V (equivalent to 0.1mV ~ 12.5mV)
Maximum sensitivity 1.5μV/d (filter factor =1) or 0.75μV/d (filter factor =32)
Noise at the input end ≤0.5μVp-p (filter factor =1), or ≤0.25μVp-p  (filter factor =32)
Zero drift ≤0.05μV/°C (@ 0.02mV/V)
Range temperature coefficient ≤10ppm/°C
Input impedance of the sensor interface ≥20MΩ
≥20MΩ
Nonlinear error ≤0.002%FS
A/D conversion speed 120 SPS
Analog output performance indexes  
Composite error ≤0.2%FS
Nonlinear error ≤ 0.05%FS
Zero drift ≤ 0.5μA/°C (current), 200μV/°C (voltage)
Range temperature coefficient ≤ 0.01%FS/°C
Operating parameters  
Communication Baud rate of communication 1,200/2,400/4,800/9,600/19,200/38,400
Byte structure Multiple options
Odd-even check Checksum, settable
Data format Multiple options
Weighing sensor Type Resistance strain weighing sensor
Excitation source DC 5V, 60mA, four parallel 350Ω sensors
I/O end Load capacity of the output end 24V/0.1A
Current of the input end 24V/5mA
Operating conditions  
Power supply AC 220V (AC175-245V), 50Hz/60Hz
Power ≤10W
Operating temperature -25°C~40°C
 
Humidity
≤90%RH (no condensate)