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
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Description |
Specifications |
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Input Signal |
Analog Input |
Pulse Input |
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Thermocouple: K, E, B, J, N, T, S |
Waveform: Rectangular, Sine and Triangle wave |
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Pt100 |
Amplitude: more than 4V |
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Current: 0-10mA, 4~20mA Input impedance≤250Ω |
Frequency: 0~10KHz Special requirements please contact us |
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Output Signal |
Analog Output |
Communication Output |
Switch Output |
Feed Output |
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DC 0~10mA(load resistance≤750Ω) |
RS232, RS485, Ethernet |
Relay with hysteresis |
DC24V (load current≤100mA) |
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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) |
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Accuracy |
Accuracy for frequency conversion: ±1 pulse (LMS), better than 0.2% |
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Measuring Range |
-999999~999999 for flow rate and compensation value 0~99999999.9999 for totalizer |
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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 |
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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; |
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Through RS232 interface to Serial thermal printer Real-time print or timing print, Up to 8 times timing print in one day. |
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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 |
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Password protection for important data |
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Operating environment |
Ambient temperature : -20~60℃; Relative humidity: ≤85%RH, Far from strong corrosive gas |
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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 |
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Power consumption |
≤10W |
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