Installation/opening size
Screen color
Number of input channels (number of input points to be measured)
The power supply is (generally AC220V mains) or DC24V.
Number of alarm output channels
The number of transmission output channels.
Communication function
Distributed output function
Data transmission function, etc.
Among all the recorders in China, I recommend the paperless recorder of Shaoxing Zhong Yi Electronics Co., Ltd., whose product line is relatively complete. The most important thing is that the product is simple to use, fully functional and humanized. It is used in many chemical plants, rubber manufacturers and water treatment industries.
For detailed selection points of paperless recorder, please refer to the selection diagram above.
ZYW202MR
Three-channel paperless recorder: Ping Huang display, equipped with three universal inputs, RS485 communication, AC220V power supply and two relay alarm outputs.
Model: ZYW-MR 1500
Three-channel paperless recorder: white screen display, touch-type high-precision keys, EMC anti-interference ability up to level III, three-channel universal input, optional RS485/RS232 communication, optional two-channel alarm output, AC220V power supply and USB interface.
Model: ZYW203RE
Blue screen four-channel paperless recorder: blue screen display, optional 1-4 universal input, AC220V power supply, USB interface, standard 2 alarm outputs, up to 4 channels, RS485 or 232 communication.
Model: ZYW204RE
White screen four-channel paperless recorder: This one looks very high-end atmosphere, four-channel universal input, white screen display and simple operation. 20 16.
Model: ZYW203REF
Four-channel paperless recorder with printing, that is, a micro printer is added to the basic education of 203RE to form an integrated structure, which can print data freely or regularly (data report or curve trend mode) and can be used instead of paper recorder.
Model: ZYW306QF
Three-channel flow integration paperless recorder, also displayed on the white screen, can have flow accumulation function, optional temperature/pressure compensation, various flow formulas, using vortex street, electromagnetism, turbine, integrated gas, superheated steam, saturated steam and so on. ...
Model: ZYW-MR53A
This is a color screen four-channel paperless recorder, touch screen, four-channel input, two-channel alarm (optional four channels), with RS485 or RS232 communication, TF card automatic backup function, simulating Android operating system. At present, it is an advanced paperless recorder system on the market.
Model: ZYW 130RG/RC
Sixteen-channel paperless recorder, in which RG is color screen display, RC is blue screen display, 1- 16 channel universal input is optional, and USB interface can use U disk to back up data.
Model: ZYW230RG/RC
Sixteen-channel paperless recorder, in which RG is color screen display, RC is blue screen display, 1- 16 channel universal input is optional, and USB interface can use U disk to back up data.
Model: ZYW330RG/RC
The 48-channel paperless recorder can select up to 60 inputs, and has no other extended functions. 7-inch HD screen display with resolution of 800*480px is one of the clearest on the market at present.
At most, 18 alarm output, 12 analog output and RJ45 Ethernet communication can be selected, all of which are leading technologies in China.
Model: ZYW430RG/RC
Twelve-channel paperless recorder, high-end product, used in strong interference environment. , where RG is color screen display and RC is blue screen display.
Model: ZYW530RG
Sixty-four paperless recorders can reach as many as 256 channels when using expansion modules, and wireless modules can be added to expand this GPRS function to achieve the effect of real remote transmission.
Model: ZYW-EX300
The paperless recorder can collect three voltages (0-500V) and three currents (5A) at the same time (if a current transformer is installed at the front end, it can collect K ampere current), and record almost all common electric energy data such as three currents, three voltages, active power, reactive power, electric energy and frequency in real time.