2000A Intelligent Power Monitoring Instrument

1、 Product functions and features
W has automatic zero stabilization function
W has digital tuning function
W has a power-off memory function
W has strong anti electromagnetic interference capability
W has multiple wiring methods
W has automatic fault diagnosis function
W has programmable state setting function
W has high measurement accuracy
2、 Main general technical indicators
1. Measurement line system and power consumption:
It can measure the total phase voltage/line voltage (V), current (I), and power of a three-phase four wire circuit or any other standard
34 parameters including (P, Q, S) electrical energy (Wh, Qh), power factor (PF), frequency (F), zero sequence current (IO), etc.
2. Working voltage:
AC85-265V 40-70Hz, DC85-330V (standard)
DC18-90V (optional)
3. Whole machine power consumption: ≤ 4VA
4. Overload capacity:
Voltage: 750V continuous; 1000V for 10 seconds; 1200V for 3 seconds
Current: 2 times rated continuous; 20 times rated for 1 second
5. Input range:
U: 5-120V/600V (maximum 600V), automatic range switching
I: 0-1A/5A (maximum 6A), automatic range switching
6. Absorption power consumption:
Voltage:<0.8VA-400V,<0.25VA/220V
Current: ＜ 0.1VA/5A
7. Accuracy

Voltage Vx	0.2%RD～0.5%RD
Current Ixx	0.2%RD～0.5%RD
Active power P	0.5%RD
Reactive power Q	0.5%RD
Visual power S	0.5%RD
Power factor PF	0.5%RG
Active energy Wh	0.5%RD
Reactive power Qh	1.0%RD
Zero sequence current IO	5%RG
Frequency Hz	0.1%RG

8. Programmable design:
Programming mode: (password)
Measurement system selection: three-phase four wire/three-phase three wire/one phase two wire/one phase three wire/three-phase balance
CT, PT ratio: 1-59999
Communication:
☆ Baud rate: 1200/2400/4800/9600
☆ Data bits: 8 or 7
☆ Check bits: odd/even/no check bits
☆ Stop position: 1 or 2
Communication protocol: Modbus RTU/Modbus ASCII RS-485/RS232, only one of them can be used at the same time
☆ Clock: Year, Month, Day, Hour, Minute, Second, Week
☆ Clock error: 0.5 seconds/24 hours
☆ Energy accumulation reset: (password)
☆ Calibration: (Password)
9. Insulation strength:
Object: Between input/output/power supply
Reference standard: IEC688-1992
Test method: AC2KV 1 minute leakage current 2mA
10. Electromagnetic compatibility:
① Surge (1.2/50-8/20uS)
Object: Power supply, I/O cable
Reference standard: IEC61000-4-5/IEC61000-4-11
Test method: 4KV (1.2 × 50uS)
② Fast transient pulse train
Object: Power supply, I/O cable
Reference standard: IEC61000-4-4
Test method: Power supply: 4KV 2.5KHz
I/O line: 2KV 5KHz
③ Electrostatic discharge
Object: Power supply, I/O cable
Reference standard: IEC61000-4-2
Contact discharge: 6KV
Air gap discharge: 8KV
④ Radio frequency electromagnetic field
Object: Device itself
Reference standard: IEC61000-4-3
Test method: Medium intensity electromagnetic radiation of 10V/m (such as handheld walkie talkies at a distance of not less than 1 meter)
⑤ Stability
Temperature range: -10 to+50 ℃
Temperature effect: 10ppm/℃
Long term stability:<0.2% year
11. Isolation:
Mutual isolation between input/output/power supply
3、 General instructions
◆ Structure: Front wiring of the board
Installation method: rail installation or screw fixation
◆ Shell material: flame retardant plastic (all black)
◆ Dimensions: 110mm × 75mm × 120mm