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YD2020 Intelligent Power Monitoring Instrument
YD2020 Intelligent Power Monitoring Instrument
Product details
1、 Product functions and features★ Equipped with display windows in both Chinese and English
★ Equipped with automatic zero stabilization function
★ Equipped with digital tuning function
★ Equipped with power-off memory function
★ Strong ability to resist electromagnetic interference
★ Has multiple wiring methods
★ Equipped with automatic fault diagnosis function
★ It has programmable state setting function
★ High measurement accuracy
2、 Main general technical indicators
1Measurement 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
There are 33 parameters including (P, Q, S) electrical energy (Wh, Qh), power factor (PF), frequency (F), and zero sequence current (IO).
2Working voltage:
AC85-265V 40-70Hz, DC85-330V (standard)
DC18-90V (optional)
3Power consumption of the whole machine：≤4VA
4Overload capacity:
Voltage: 750V continuous; 1000V for 10 seconds; 1200V for 3 seconds
Current: 2 times rated continuous; 20 times rated for 1 second
5Input Range:
U: 5-120V/600V (maximum 600V), automatic range switching
I: 0-1A/5A (maximum 6A), automatic range switching
6Absorption power consumption:
Voltage: ＜ 0.25VA/220V
Current: ＜ 0.1VA/5A
7Accuracy
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Voltage Vx
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0.2%RD～0.5%RD
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Current Ixx
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0.2%RD～0.5%RD
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Active power P
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0.5%RD
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Reactive power Q
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0.5%RD
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Visual power S
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0.5%RD
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Power factor PF
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0.5%RG
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Active energy Wh
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0.5%RD
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Reactive power Qh
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1.0%RD
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Frequency Hz
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0.1%RG
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8Programmable design:
Programming mode: (Password)
Selection of measurement systemThree phase four wire/Three phase three wire/One phase two wire/One phase three wire/Three phase balanced
CT， PT ratio：1～59999
9Communication:
☆ Baud rate: 1200/2400/4800/9600/19200
☆ Data bits: 8 or 7
☆ Check bits: odd/even/no check bits
☆ Stop position: 1 or 2
☆ Address: 1-247
Communication protocol: Modbus RTU/Modbus ASCII RS-485/RS232, only one of them can be used at the same time
10Insulation strength:
objectBetween input/output/power supply
Reference standards：IEC688－1992
Test MethodAC2KV 1 minute leakage current 2mA
11Electromagnetic compatibility:
① Surge (1.2/50-8/20uS)
Object: Power supply, I/O cable
Reference standard: IEC61000-4-5/IEC61000-4-11
Test method: Power supply 4KV
I/O口 2KV
② Fast transient pulse train
Object: Power supply, I/O cable
Reference standard: IEC61000-4-4
Test method: Power supply: 4KV 2.5KHz
I/0线： 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
12Isolation:
Mutual isolation between input/output/power supply
3、 General instructions
◆Wiring:Rear wiring of the board
◆Installation method: Panel installation
◆Disk opening size:92mm×92mm
◆housing materialObstructive plastic (black)
◆Overall dimensions: 120mm (length) x 120mm (width) x 130mm (height)
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