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وصف
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The intelligent flow accumulator adopts microcomputer chip and technology, which is used in conjunction with all kinds of flow sensors or transmitters, temperature sensors or transmitters and pressure transmitters. It can measure and display, accumulate calculation, alarm control, transmission output, data acquisition and communication of various flow parameters such as liquid, steam, natural gas, general gas and so on.
Specification
Product application
Functional characteristics
Automatic temperature and pressure compensation, compensation mode arbitrarily set
Arbitrary setting of linear product calculation and open square product calculation
Instantaneous flow rate, cumulative flow rate, temperature and pressure are displayed at the same time.
Small signal resection function, resection range0-5% optional
Cumulative traffic can be cleared by the panel button, zeroing operation can be locked
Power down protection function, cumulative flow value power down protection time is greater than10 years, after the set value is turned off, keep.
Modular structureIt is very convenient to cooperate with the function combination and system upgrade of instrument chip.
Technical indicators
Input signal (1) Analog input: Thermoelectric resistance: PT100
Thermocouple: K, T, E
Electric voltage: 0~5V, 1~5V
Current: 4~20mA, 0~20mA, 0~10mA
Pulse input: waveform: rectangular, sinusoidal or triangular
Amplitude: greater than 4V(or according to user requirements)
Frequency range: 0~ 10KHz
Basic error: 0.5%FS or 0.2%FS±1 word
Resolution: 1/20000, 14-bit A/D converter
Display mode: the upper row of four-digit digital tube shows instantaneous flow, the lower row of eight-digit digital tube shows cumulative flow
Sampling period: 0.5s
Alarm output: instantaneous flow or cumulative flow two limit alarm, relay output contact capacity AC220V/3A
Transformer output: 4~20mA, 0~10mA, 1~5V, 0~5V
Pure c: plus or minus 0.3% FS
Communication output: interface mode -- isolation serial two-way communication interface RS485/RS422/RS232/ MODEM
Bolt rate -- 300~9600bps internal free setting.
Feeding output: DC24V/50mA
Power source: switching power supply 85~265VAC power consumption below 4W
Environment: Ambient temperature: 0~50℃
Relative temperature: <85%RH
Dimensions: horizontal type - 160*80*125mm
Vertical - 80 * 160 * 125 mm
- 96 * 96 * 110 mm
Communications specification
This instrument is equipped with RS232, RS422/485 interface, can connect to the computer communication
