• Model NO.：HZ-3521
• Weight：1.8kg
• Power Source：AC220V
• Power Supply：AC57~450V, 50~60Hz
• Communication Port：RS 232
• Relative Humidity (Not Condensing)：40%-95%
• Warm-up Time：< 3 Minutes
• Battery Endurance：4 Hours
• Power Consumption：About 10va
• Function：3 Phase
• Temperature：-20-40ºC
• Transport Package：Standard Exported Packing,According to Customs Req
• Specification：249× 154× 58
• Trademark：Huazheng
• Origin：China
• HS Code：9028309000
• Production Capacity：2000,Month

Details :² Accuracy classes: 0.05%, 0.1%
² Measurement of energy meter errors, display of voltage, current, power, power factor, frequency etc.
² Measurement of harmonics of 2nd  to 51st
² Measurement of clock error (of energy meter)
² Measurement of transformation ratio for CT
² Communication examination for energy meters
² Measurement for register
² Detection of wiring failures and calculation of electricity compensation
² USB and communication ports available
² Self adjusted clamp-on CT's (KHPEC's patent) provided
² Double of power supply via lithium battery or PT
GeneralPower supplyAC57~450V, 50~60HzPower consumptionAbout 10VAAmbient temperature-20ºC--+40ºC (accuracyassured)Relative humidity (not condensing)40%-95%Dimension(L×W×H, mm)249×154×58Weight1.8KgWarm-up  time< 3 minutesBattery endurance4 hoursLCD color display5.7", 320×240 TFTCommunication portRS 232SafetyDeclaration of conformityCE conformedOperation referenceMeasuring rangesVoltageAC 30~480VCurrent:
 Direct connection-1A, 5A
Via clamp-on CT's: 5A, 20A(±0.2%, self adjusted), 100A, 500A, 1000A(±0.5%)Frequency45~65HzPhase-180 º ~+180ºConstant of pulse5A:       FL=3.6×104P/KWh FH=3.6×107P/KWh                               Others:FL=36000×5/rated current (P/KWh)
FH=3.6×107×5/ rated current (P/KWh)Harmonic measurementRange: 2nd ~51st 
Accuracy: ±0.01% (compared to 100% fundamental wave)Transformation ratio deviation< ±0.5%Voltage deviation< ±0.01%Frequency deviation< ±0.01%(45-55Hz)Influence of temperature< ±5ppm/ ºC(typical)Variation in 24hrs.<±0.02% (class 0.1)<±0.01% (class 0.05)

IV.Company Information

HuaZheng Electric Manufacturing (Baoding) Co.,Ltd is the supplier of the State Grid in China.It means we are the supplier of the Chinese Government.And our products spread throughout the whole China.
What's more, our customers come from different countries like America, England, Bulgaria, Brazil, Chile, Malysia, Vietnam and so on.
Our main products are Insulation Oil Tester, Cable Fault Locator, Power Quality Analyzer, High Voltage Generator, High Voltage Capacitor, Testing Transformer and so on.


V. Our Services

1. Good after sales service: Any small problem happening will be solved at the most prompt time;
2. We have many years of experience, we have specializing in fastener;
3. Specifications list is available upon your request
4. Welcome to send enquiry,we will reply soon.If you want to know more,pls feel free to contact us.
5. Prompt shipment with professional documents
6. Packing as your request, with photo before shipment
7. High quality and competitive price
8. All the product quality are under strict controll and offer good service.
9. Our produts now are known by lots of our domestic customers and oversea clients.

VI.Customer Visit



VII.Exhibition



VIII.Similar Recommendation