Product Specifications
| Prod Model: |
DM72-AI |
| AC Voltmeter: |
AC 10 ~ 600V,External PT Is Necessary If More Than |
| Type: |
Single Phase |
| Display: |
Digital |
| Application: |
Electronic Equipment |
| Installation: |
Portable Precise |
| Theory: |
Electronic Meter |
| Kind: |
Rotating Coil |
| Power Source: |
AC Meter |
Product Description
Function:
Real-time measurement and indication on AC or DC voltage(current) in an electric circuit; Program mable CT/PT ratio; Higher and lower limit alarm output and programmable rely time of alarm.
Basic parameters:
Measuring range:
AC Ammeter AC 0.05 ~ 6A, external CT is necessary if more than 6A
DC Ammeter DC 0.05 ~ 6A, external electrical shunt is necessary if more than 6A
Accuracy: ± (0.5%FS+1 digit)
Measuring display mode: 4 LED nixietube effective value display
Resolution: Last figure one digit
Overflow indication: The top digit display "1" or "-1" and other digit hiding
Auxiliary power supply: AC 220V± 10%
Alarm contact capacity: AC250V/1A
Alarm Shift Difference: 0.1%FS~50.0%FS
Alarm delay time: 0.0~99.9s programmable
Terminal arrangement and wiring connection:
( Attention: If it is not the same with the wiring schema of the diagram behind case, please accord to the one of diagram behind case)
POWER: Auxiliary power input port of instrument, Auxiliary power supply is AC 220V± 10% (please note if you need special power supply).
INPUT: Signal input port of instrument, HI represents"+" port of DC input signal, fire wire terminal of AC voltage input signal and inlet wire terminal
Of AC current input signal.
LO: "-" port of DC input signal, the other one wire of AC voltage input signal; The outlet wire terminal of AC current signal input
OUT: The alarm contact output port of meter
|
Technical parameters |
Value |
|
input |
Normal value |
Voltage :300V\500V,Current :1A\5A,(Or ordered by customer) |
|
Overload |
Current:continual 1.2times,instaneous10times/1s;
Voltage:continual1.2times,instantaneous 2times/1s. |
|
Frequency |
45~65Hz |
|
Accuracy class |
0.5 |
|
Display |
LED display,range in:-1999~1999 |
Power
supply |
Voltage range |
AC 220V |
|
Power consumption |
<5VA |
|
Insulation resistance |
≥100MΩ |
|
Isolation voltage |
Between power supply/input/output 2kV/1min(rms) |
|
MTBF |
≥50000h |
|
Environment |
Temperature |
Work:-10~55 ,Storage:-25~+70 |
|
Humidity |
≤93%RH,In the place without dew and corrosive gas |
|
Altitude |
≤2000m
|
Wenzhou CNSCKJ Meter Technology Co., Ltd. Specialized in manufacturing various digital display meter, which is member enterprise of the National Electrician instrument& Meter Standardization Committee. The products manufactured by our company strictly complied with IEC 51 publication rev4 issued by international electrician Committee and IEC1010 Standard, and meet the National Standard Requirement GB/T7676-1998. CNSCKJ company have passed through ISO9001: 2000 Certificate and CE Certificate.
(1) We are one of organizations chiefly editing the national standard, Mounted Digital Display Electric Measuring Instrument:
(2)We are involved in the edition of national standards, low-voltage Reactive Power Compensation Switching Device and General Specification for Digital Motor Combined Protection Equipment;
(3)We participate in the revision work of industrial standard, low -voltagea Reactive Power Compensation Control Device
(4) We play an essential role in editing the national standard diagram collections for electrical design, commonly-used Pump Control Circuit Diagram and Commonly-USD Blower Control Circuit Diagram, and the reference diagram collections for eletrical design, Fire-fighting Equipment Power Supply Monitoring System.
Under holding up the enterprise tenet: Survive on quality, Create brand with the credit, CNSCKJ sincerely wish friends at home and abroad to cooperate with for brilliant tomorrow!
