Overview
CHD7002 series digital 3 phase Modbus power energy meter is suitable for power distribution cabinet & switchgear under low-voltage power distribution system(<35KV). The network management will finally realize automation control via RS485 communication. The powerful functions are as below:
- Specially for 380V~35kV voltage level’s industry and commercial building
- Supports a wide range of phases and wire systems– 3P3W, 3P4W.
- Field Configurable 5A/1A CT Input
- Full real-time data measurement & True RMS monitoring
- Demand statistics function–average current, total power, total reactive power, total apparent power.
- 50th harmonic analysis, THD, THDu, THDi
- Time-of-use( Multi-tariff billing), historical data of 31 days and 12 months
- Record historical energy for latest 31 days, latest 12 months, latest 50 usage records
- Setpoint alarm for over/under the limit
- Build-in MODBUS-RTU via RS485 port
- High accuracy, Active energy: GB／T17215.322-2008, class 0.5s
Main Features
- Backlit LCD type Power Energy meter
- Dimension: 72×72×80 mm
- Power supply: 85~265V AC, 45~65Hz, Consumption: <5VA
- Measure range: 0-30,000A, 0-28.8/50KV
- Ambient environment: -10~55℃ 5%-95%RH no condensing
- Accuracy: 0.2 for current/voltage 1 for reactive KWH
- Display of harmonics by order to 2~50st
- Maximum demand can be measured over preset periods of up to 60minutes
- 2 sets of counting modes: Summertime/Wintertime mode, Workday/Weekend mode, 4 tariffs with 8 segments
- With 2 DI and 4 DO function, can be used for remote monitoring and control.
- One group of 4-20mA analog output
- Built-in MODBUS RTU & DL645-2007 protocol via RS485 port
- Built-in clock
- Widely used in Power Distribution Automation, Electric Switch Gear and Control Panels, Industry Automation, Building Automation, Energy Management Systems, Marine Applications, Renewable Energy.
Smart Electricity Meter
True RMS measurement & Multi-tariffs
Cost-effective & Reduce consumption
Specification
| Model | CHD7002 | — | 3 Phase LCD Power and Energy Meter (72*72*80mm size) | ||||
|---|---|---|---|---|---|---|---|
| Function mode | default | Display function + RS485 | |||||
| E | Display function + RS485+2 none-contact inputs + 2 relay outputs | ||||||
| Expand function | H | Harmonic function | |||||
| A0 | 4-20mA | ||||||
| Power supply | default | 85~265V AC/80~300VDC | |||||
| E | 24~48V DC | ||||||
| Measure range | V1 | 3×57.7/100V 1A | |||||
| V2 | 3×57.7/100V 5A | ||||||
| V3 | 3×220/380V 1A | ||||||
| V4 | 3×220/380V 5A |
Power Supply:
85~265V AC 45~65HZ
Consumption: <5VA
Rated voltage: 220V / 380V / 100V PT
Rated current: 1A / 5A / CT
Overload: voltage: 1.2 times(sustained); current: 1.2 times(sustained), 10 times/1second
3 phase 3 wire type
3 phase 4 wire type
No-contact switch input, 2 no.s
Relay alarm output, 2 no.s
Pulse constant output, 1 no.s
4-20mA analog output, 1 no.s(optional)
| Electrical Parameters | Parameters | Range | Accuracy |
|
| Voltage | 10V ~ 288V(Quadratic value) | 2% | ||
| Current | 5% ~ Max | 2% | ||
| Power factor | -1 ~ 1 | 5% | ||
| Active energy | 0 ~ 99999999.9 | 0.5S | ||
| Reactive energy | 0 ~ 99999999.9 | Grade 2 | ||
| Active power | Single-phase: 0 ~ ±100 MW/var/VA
Total: 0 ~ ±100 MW/var/VA |
0.5% | ||
| Reactive power | 1.0% | |||
| Consumption | ≤ 2W/4VA | |||
| Environment condition | Normal work temperature | -10℃ ~ +45℃ | Extreme work temperature | -25℃ ~ +55℃ |
| Storage temperature | -25℃ ~ +70℃ | Work humidity | 5%~ 95%%no condensing | |
| Insulation performance | Withstand voltage | 2000VAC | Surge voltage | 6000V |
| Insulation resistance | ≥ 100MΩ | |||
- 2 modes(Summertime/winter time, weekday/weekend mode 1, weekday/weekend mode 2.) tariffs.
- Provides up to 4 different tariffs( sharp, peak, valley and normal) to 8 different time periods within a day according to the billing requirements.
- The meter will calculate and accumulate energy to different tariffs according to the meter’s internal clock timing.
Record historical energy as below:
- Daily freezing for latest 31 day
- Monthly freezing for latest 12 months
- Contact freezing for the current day within 24 hours, min resolution: 15 munites
- Time freezing for the last 2 hours yesterday
- Voltage deviation
- Rotal harmonic distortion(THD)
- Voltage/Current harmonic percentages
- Demand time setting: 5/10/15/20/30 munites
- Max monthly demand for the latest 12 months will be recorded.
- Clear max demand function available
- RS485 communication interface
- standard MODBUS RTU protocol/ DL645 protocol configurable
- 5 speeds: 2400, 4800, 9600(factory default), 19200, 38400bps
Body: 72x72x80mm
Cutout size: 70x70mm
Mounting Method: Flush-mounting and screw terminals
IP grade: IP52 for the panel, IP20 for the whole item
Warranty: 12 months
For support, please visit support center or email us at sale@aposunmeter.com
1 x CHD7002 3 phase multifunction power meter
4 x Mounting brackets
1 x Manual