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ANHUI WNK ELECTRONIC ENGINEERING CO., LTD.

Transmitter Circuit Board, Transmitter Board, Diezoresistive Intelligent Circuit Board manufacturer / supplier in China, offering Diezoresistive Intelligent Pressure Circuit Board, Submerisble Liquid Level Transducer for Tanks and Water Monitoring System, Submerisble Water Liquid Level Transmitter for Groundwater Monitoring System and so on.

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Diezoresistive Intelligent Pressure Circuit Board

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Min. Order: 1 Piece
Transport Package: Paper Carton and as Customer′s Requirement
Payment Terms: L/C, T/T, Paypal, Western Union

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Basic Info
  • Model NO.: JT2088
  • Accuracy Grade: 0.2%
  • Customized: Customized
  • Mounting Hole Pitch: 44mm
  • Dimension: Diameter=52mm
  • Trademark: WNK
  • HS Code: 902690000
  • Type: Normal Pressure Transmitter
  • Pressure range: 4-20mA
  • Power Supply: DC12-32V
  • Transmitter Matching: Pressure and Level Transmitter
  • Operating Temperature: -30°c ~ +70°c
  • Origin: Hefei, Anhui Province, China
Product Description
JT2088 Diezoresistive Intelligent Pressure Circuit Board

JT2088 Diezoresistive Intelligent Circuit Board replaced the original 4~20mA analog board. With the main body of Microcontrollers CPU, JT2088 is capable to do logical operation and programming. It combines analog and digital circuit in one machine, so is able to output analog signal as well as digital signal. Parameters configuration and compensation of transmitters can be done by buttons on LCD module and internal debugging program. JT2088 supports standard diffused silicon, strain gauge,piezoresistive ceramic pressure sensors. It is suited for 2088 housing.

Diezoresistive Intelligent Pressure Circuit Board
Features - Intelligent Pressure Circuit Board

1.Two wires working mode provides sensors with two exciting ways - constant current and constant voltage.
2. Calibrating as per full scale realizes bulk production
3.Easy to do temperature compensation, under -20~70ºC the complete machine accuracy better than 0.5% (including accuracy of sensors)
4.Three points calibrating, complete machine accuracy better than 0.2%. Multi-point calibrating is available as required.
5.AD accuracy > 20 bits, DA accuracy > 16 bits;
6.span can be changed on-site by LCD module buttons without standard pressure source
7.Small signal wiping off and reset function
8.LCD head is available to use once connected with sensor, free from calibration. And the head is dismountable, customers could equip LCD indicator or not. 

Technical Parameters- Intelligent Pressure Circuit Board

 
Supply powerDC12-32V (DC 24V is suggested)
Constant current excitation0.4mA(suitable for diffused silicon, strain gauge sensors)
Constant voltage excitation2.5VDC(suitable for piezoresistive ceramic pressure sensors)
Sampling rate20~30times/s
Displaying and bitsLCD with backlight, displaying 5 bits, and 4 decimal places
Displaying units Ten displaying units as KPa, Pa, MPa, mmH2O, mH2O, mbar, bar, PSI, M,%
Output resolution1uA
Temp. compensation accuracy-30~70ºC complete machine accuracy is better than 0.5% (including accuracy of sensor)
Linearity accuracyComplete machine linearity is better than 0.2% (Multi-point calibrating is available as required)
Stability0.2%/Year
Range ratio10:01
Circuit protection Measurement surge current protection, reverse power protection
Circuit design Intrinsic safety
Isolation range>200M
Communication ProtocolPrivate protocol
Adjusting methodby buttons on LCD head or program on pc
Dimensions OD=52mm, Mounting hole pitch=44mm (suited for pressure and level transmitter in 2088 housing)
Motherboard buttons operationreset, lower range calibration(zero drift under pressure source), upper range calibration (full scale calibration)
LCD head buttons operationchanging span units, decimal place, output features, changing damping time, currant fixing, write-protection,factory reset and zero clearing




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