AJ Flow Totalizer

Features ofAJ Flow Totalizer

• Suitable for flow (Heat) displaying, calculating and controlling of all kinds of liquids, single or mixed gases and vapor. Itis flow rate totalizer.
• Input multiple flow sensor signals (Such as VSF, Turbine, Electromagnetic, Roots, Elliptical gear, Duplex rotor, Orifice plate,V-cone, Annubar, and Thermal flowmeter, etc.). it is universal flow monitors.
• Flow totalizerinput channel: Receive frequency and multiple current signals.
• Pressure and temperature input channel: Receive multiple current signals. Itis steam/gas flow controllerwith temperature and pressure compensationcalculation.
• Provide 24VDC and 12VDC power supply with short circuit protection, simplify the system and save investment.
• Fault-tolerance: When the compensation measurement signals of temperature, pressure or density are abnormal, compensate with the manual setting of the corresponding operation.
• Circular display: Provide convenience to monitor multiple process variables, not just a flow counter,can also indicate temperature and pressure information when the signalsare connected to our flow totalizer indicator.
• The update cycle of output current signal is 1 second, which can meet the requirements of the automatic control.
• Configure with Instrument clock, automatic meter reading and print function, provide convenience for metering management.
• Self-test and self diagnosis makes the flow rate totalizereasier to use and maintain.
• 3 -level password to prevent unauthorized personnel to modify parameters.
• There are no potentiometer, code switch and other adjustable devices, that can improve the vibration resistance, stability and reliability of theflow totalizer.
• Communication
  • RS485
  • RS232
  • GPRS/CDMA (English Version is not available)
  • Ethernet (English Version is not available)
• Configure with temperature, pressure, and density compensations, and it also has compressibility coefficient compensation for general gas and flow nonlinear compensation.it is gas flow controller.
• Perfect function of vapor’s density compensation, automatic recognition of saturated vapor and superheated vapor and moisture content calculation of wet vapor.It is vapor/steam flow computer.
• Special function for trade settlement.
  • Power down record
  • Timing meter reading
  • Query function on some illegal operations.
  • Printing
• Display unit can be modified according to different requirements.
• Large storage functionfor flow rate totalizer
  • Day record can be stored in 5 years
  • Month record can be stored in 5 years
  • Year record can be stored in 16 years

Specifications ofAJ Flow Totalizer of

Description	Specifications
Input Signal	Analog Input		Pulse Input
	Thermocouple: K, E, B, J, N, T, S		Waveform: Rectangular, Sine and Triangle wave
	Pt100		Amplitude: more than 4V
	Current: 0-10mA, 4~20mA Input impedance≤250Ω		Frequency: 0~10KHz Special requirements please contact us
Output Signal	Analog Output	Communication Output	Switch Output	Feed Output
	DC 0~10mA(load resistance≤750Ω)	RS232, RS485, Ethernet	Relay with hysteresis	DC24V (load current≤100mA)
	DC 4~20mA (load resistance≤500Ω)	Baud rate: 600, 1200, 2400, 4800, 9600bps,8 data bits, 1stop bit, and 1 start bit	AC220V/3A; DC24V/6A(Resistive load)	DC12V (load current≤200mA)
Accuracy	Accuracy for frequency conversion: ±1 pulse (LMS), better than 0.2%
Measuring Range	-999999~999999 for flow rate and compensation value 0~99999999.9999 for totalizer
Display	Backlit 128*64 lattice LCD Display flow totalizer, flow rate, energy, power, medium temperature, medium pressure, medium density, medium heat enthalpy, differential pressure, current, frequency, date, time, Alarm status
Control/ Alarm	Optional relay upper limit and lower limit control (Alarm) output, LCD and LED output indication; Control (Alarm) with hysteresis (The number of alarm relay is up to 2) Alarm type: flow upper and lower limit, temperature upper and lower limit, pressure upper and lower limit;
Print	Through RS232 interface to Serial thermal printer Real-time print or timing print, Up to 8 times timing print in one day.
Protection	Totalizer will be remained for more than 20 years after power off Reset automatically when Power supply is low Reset automatically when abnormal working (Watch Dog) Self-healing fuse Short circuit protection
	Password protection for important data
Operating environment	Ambient temperature : -20~60℃; Relative humidity: ≤85%RH, Far from strong corrosive gas
Power supply	Normal Type: AC 220V % (50Hz±2Hz) Special Type: AC 80~265V (Switch power) DC 24V±1V (Switch power) (AC 36V 50Hz±2Hz) Back-up power: +12V, 20AH, it will last 72 hours
Power consumption	≤10W

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