digital indicator, flow totalizer, temperature controller - gn

igital indicator

INPUT

RTD (Detail see Table 2)PT100,CU50,etc.

Thermocouple: (Detail see Table 2) B, S, K, E, J, T, W, etc.

Analog Signal: (Detail see Table 1) mV, mA, V, R, etc

RANGE

-19999999 digit

ACCURACY

0.2% of Full Scale ±1 digit or 0.5% of Full Scale ±1 digit.

DISTINGUISH ABILITY

±1 digit

TEMPRATURE COMPENSATION

050

DISPLAY.

-19999999 Measuring Value Display

-19999999 Set Point Value Display

Light Emitting Diode Status Display

Bright LED digital display

Selectable 0.28LED display

Selectable 0.56LED display

Selectable 0.8LED display

CONTROL METHOD.

Three position ON/OFF with hysteresis

OUTPUT

Relay contact output:220VAC/3A;24VDC/5A(resistive load)

Standard analog signal output:010mA(≤500ohm)

420mA(≤250ohm)

05V(≥250 K ohm)

15V(≥250 K ohm)

Control output: SCR output 400V/0.5A

SCR output 6V/50mA

Power supply:DC24V/30mA

ALARM

Selectable relay high/low alarm output,LED indication

ALARM SENSITIVITY

±1 digit

COMMUNICATIONS

Different standard bi-directional serial data communication,i.e.

RS-485,RS422,RS232,etc..

Baud rate 3009600 bp/s internal parameters are flexible.

The RING connections are used for the communication between multi-instruments and main computer ( PC, Programmer, Varity of computers, etc.).

SETTING

Front Panel touch keypad digital setting

Data retention upon power failure via nonvolatile memory password protection for parameter settings

PROTECTION

Input loop break Alarm (Relay output,LED indication)

Break Alarm(Relay output,LED indication)

Under-pressure automatic recovery

Unusual operation automatic recovery(watch dog)

OPERATING EVIROMENT

Ambient Temperature 050

Relative Humidity ≤85RH

Power Supply AC220V+10-15% 50Hz±5Hz

AC90V260V---Switching Power Supply

DC24V±2V---Switching Power Supply

Avoid heavy corrodent gas

POWER CONSUMPTION

≤5W(AC220V Power Supply)

≤3W(AC90260V---Switching Power Supply)

≤1.5W(DC24V---Switching Power Supply)

CONSTRUCTION

Standard Inserting Type

WEIGHT

400g(AC220V Power Supply)

240g(Switching Power Supply)........