1. Measurement accuracy: 1%; 1
2, working power supply: isolation 8-36VDC or 85-265VAC;
3, power consumption: working current 50mA(not connected to the keyboard and buzzer is not ringing);
4, optional output :1 road sign brick isolation RS485 output;
1 channel isolation 4-20mA or 0-20mA output (active or passive optional); Dual-channel isolation OCT output (OCT1 pulse width between 6-1000ms programmable default 200ms);
1 two-way serial peripheral universal interface, can directly connect a number of such as 4-20mA analog output board, frequency signal output board, thermal printer, data recorder and other external equipment through the form of series;
5, optional input: three-way 4-20mA analog input loop; 5.
6, display :2X10 Chinese backlit display (Chinese and English bilingual option); 7, operation :16 keys or 4 keys window operation;
8, other functions: automatic memory of the first 512 days, the first 128 months, the first 10 years of positive and negative net cumulative traffic automatic memory of the first 30 times on, off time and traffic and can be automatically or manually added, and can be read through MODBUS protocol;
9, flow sensor: external application type, insert type and pipe section type;
The new generation of products has added the following features and functions:
1. Hardware modular design, easy production and maintenance operation;
2. Built-in 4M byte data recorder, which can record 200,000 lines of timed output or instant print data
3, electrical isolation RS485 interface, including MODBUS, M-BUS, FUJI and other 10 kinds of communication protocols
4, electrical isolation 0-20mA or 4-20mA current ring output, optional loop power supply mode (two-wire system)
5, in line with CJ128 national heat meter standard heat measurement function;
6, 8-36VDC,220VAC power supply mode is optional;
7, with manual accumulator and batch controller and other functions;
8, year, month and day accumulation record function, can record the previous 512 days (daily), the previous 128 months (monthly) accumulated flow and accumulated heat and other data;
10. Record and refer to the first 32 times of power failure time and other data:
11, the interval can be set for the range of 1 second to 24 hours of automatic data recording or output power, how many 22 output content;
12. Three-way analog input with a precision of 0.1%;
