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JTST Small Size Intelligent Circuit Board
  • JTST Small Size Intelligent Circuit Board

JTST Small Size Intelligent Circuit Board

Details

Introduction:

JTST Small Size Intelligent Circuit Board replaced the original 4~20mA analog board. With the main body of Microcontrollers CPU, JTST 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 can be done by adjusting programs to approve accuracy grade of transmitters. JT2088 supports standard diffused silicon and piezoresistive ceramic pressure sensors. It is suited for small size columnar pressure transmitters and input type level transmitters.

Features:

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 and assures aging test time.

3.Easy to do temperature compensation, under -20~70℃ the complete machine accuracy better than 0.5%

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.Multi-functions as temperature compensation, small signal wipes off, zero clearing and etc.



Technical parameters:

Supply power

DC12-32V (DC 24V is suggested)

Constant current excitation

0.4mA(suitable for diffused silicon, strain gauge sensors)

Constant voltage excitation

2.5VDC(suitable for piezoresistive ceramic pressure sensors)

Sampling rate

20~30times/s

Displaying units

Ten displaying units as KPa, Pa, MPa, mmH2O, mH2O, mbar, bar, PSI, M,%

Output resolution

1uA

Temp. compensation accuracy

-30~70℃ complete machine accuracy is better than 0.5% (including accuracy of sensor)

Linearity accuracy

Complete machine linearity better than 0.2% (Multi-point calibrating is available as required)

Stability

0.2%/Year

Range ratio

10:1

Circuit protection Measurement

 surge current protection, reverse power protection

Circuit design

Intrinsic safety

Isolation range

>200MΩ

Communication Protocol

Private protocol

Adjusting method

by program on pc ( zero clearance can be done on-site)

Dimensions

Length=31mm, width=20mm, mounting hole pitch=12.5mm (suited for small size columnar pressure transmitters and input type level transmitters)

 

 


  • Company Name:Hefei WNK Smart Technology Co., Ltd
  • Add:4/F,Bldg #6, No.168, Xiangzhang Road, High-tech District, 230088, Hefei, Anhui province, China
  • Contacts:Ms. Echo Chen
  • Mob:+86-15956503046
  • Tel:
    +86-551-6536 9569
  • Email:[email protected]