AJ Flow Totalizer

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

0.2%FS±1d or 0.5%FS±1d

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

Item

Code

Description

General

AJ

AJ series Flowmeter Totalizer

Dimension

8

160×80mm (horizontal)

Communication

00

No communication function

01

RS-485 communication

02

RS-232 communication

03

Ethernet (English is unavailable)

Alarm 1

1NO

Switching signal of relay output

2NC

Alarm 2

1NO

2NC

Output

1

Current Output

2

Pulse output

Input

1

Thermocouple

2

Pt100

3

Pt1000

4

Current: 0-10mA

5

Current: 4-20mA

Feed Output

1

DC +5V

2

DC +12V

3

DC +24V

Power Supply

1

AC 220V

2

AC 36V

3

DC 24V

Extended Function

1

USB interface, using to download the data in meter

2

Current: 4-20mA

3

16 Bit A/D convertor module

4

Wireless remote control function.*1