1. Product overview
The KPM100 Series Single Phase Digital Power Meter adopts customized and modularized high-brightness digital tube display, which is beautiful and elegant; with low-power microprocessor as the core, it realizes full power parameter measurement and electric energy measurement. Switch, relay, analog output interface are optional, to meet various functional needs of users; integrated RS-485 communication interface, can easily achieve integration with various intelligent power distribution systems. It can be used to monitor and control the status of field equipment, provide measurement support for power application experts, provide data basis for SCADA and smart grid, and provide decision-making basis for efficient and intelligent management of power.
2. Product series
a.Industrial distribution automation system b.Energy efficiency management system
c.Substation automation system d. Electrical engineering of intelligent building
e.Power plant auxiliary power system f.High and low voltage switchgear
4. Product characteristics
| Model | KPM100 | |||||
| Characteristics | Z | C | P | U | I | F |
| Instantaneous true RMS | ||||||
| Current | ◆ | ◆ | ◆ | |||
| Voltage | ◆ | ◆ | ◆ | |||
| Frequency | ◆ | ◆ | ||||
| Active power | ◆ | ◆ | ||||
| Reactive power | ◆ | |||||
| Power factor | ◆ | ◆ | ||||
| Electrical energy | ||||||
| Input and output active energy | ◆ | |||||
| Communication | ||||||
| MODBUS-RTU protocol | ◆ | ◆ | ◆ | ◆ | ◆ | ◆ |
| Display | ||||||
| Digital tube | ◆ | ◆ | ◆ | ◆ | ◆ | ◆ |
| Optional features | ||||||
| 1*RS485 | ◆ | ◆ | ◆ | ◆ | ◆ | ◆ |
| 1*DO | ◆ | ◆ | ◆ | ◆ | ◆ | ◆ |
| 1*AO | ◆ | ◆ | ◆ | ◆ | ◆ | ◆ |
| Limit alarm | ◆ | ◆ | ◆ | ◆ | ||
|
Electrical Characteristics |
||
|
Measure type |
Single-phase AC system; |
|
|
Data refresh rate |
1s |
|
|
Measure accuracy |
Current |
0.5% |
|
Voltage |
0.5% |
|
|
Power |
0.5% |
|
|
Frequency |
±0.05Hz |
|
|
Active energy |
0.5% |
|
|
Reactive energy |
2.0% |
|
|
AO Analog output |
4-20mA DC output |
0.5% |
|
0-5V DC output |
0.5% |
|
|
Input Voltage Characteristics |
Measure Voltage |
AC57.7V/100V/220V/380V/480V/600V DC50V/100V/200V/500V/1000V/1500V |
|
Allowed overload capability |
1.2 times / continuous |
|
|
Input current characteristics |
Measure current |
AC: 5A, 1A or customized external CT |
|
Allowed overload capability |
1.2 times / continuous |
|
|
Relay output |
Node type |
Mechanical contact |
|
Node capability |
220VAC/5A, 30VDC/5A |
|
|
4-20mA DC output |
Open circuit voltage |
15VDC |
|
Load capability |
≤ 500Ω |
|
|
Isolated voltage |
2KV |
|
|
0-5V DC output |
Short circuit current |
≤10mA |
|
Load capability |
≥1KΩ |
|
|
Isolated voltage |
2KV |
|
|
Power supply |
AC |
85~265VAC/45-65Hz |
|
DC |
9~60VDC |
|
|
Mechanical performance |
||
|
Weight |
≤0.5kg |
|
|
IP Protection Level |
Meter Panel IP52，Meter Host IP30 |
|
|
Dimension |
99mm*51mm*102mm |
|
|
75mm*75mm*106mm |
||
|
Operating temperature |
-10~+55 ℃ |
|
|
Storage temperature |
-20~+70 ℃ |
|
|
Relative humidity |
5% - 90%RH, no condensation |
|
|
EMC |
||
|
Antistatic discharge interference |
IEC 61000-4-2, Level 4 |
|
|
Anti-fast transient group pulse |
IEC 61000-4-4, Level 4 |
|
|
Anti-surge |
IEC 61000-4-5, Level 3 |
|
|
Resistance to power frequency magnetic field |
IEC 61000-4-8, Level 3 |
|
|
Electrical insulation performance |
||
|
Insulation resistance |
GB/T13729, ＞50MΩ |
|
|
Power frequency withstand voltage test |
GB/T13729, AC 2KV 50Hz/1min |
|
|
Impulse voltage |
GB/T13729, 5KV, 1.2/50us |
|
Fig. (3) KPM100 Connection
