Zhengzhou Great Electric Co.,Ltd.
| Supply Ability | 30 sets per month |
| Delivery Time | 30-45 days |
| Packaging Details | Wooden Package |
| Accuracy class | 2% |
| Test function | Ratio error, phase angle error, impedance & admittance test |
| Current range | 1A, 5A |
| Voltage range | 100V,100/√3V |
| Brand Name | HNMC |
| Model Number | HEW series |
| Place of Origin | China |
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Product Specification
| Supply Ability | 30 sets per month | Delivery Time | 30-45 days |
| Packaging Details | Wooden Package | Accuracy class | 2% |
| Test function | Ratio error, phase angle error, impedance & admittance test | Current range | 1A, 5A |
| Voltage range | 100V,100/√3V | Brand Name | HNMC |
| Model Number | HEW series | Place of Origin | China |
| High Light | LCD Digital CT PT Test Equipment ，LCD CT PT Test Equipment ，LCD 2% ct and pt testing | ||
Digital Transformer Tester HEW series CT PT Comparator
Technical Parameter
| Accuracy class | 2 |
| Current range | 5A, 1A |
| Voltage range | 100V,100/√3V |
| Percentage Error | Less than 1.5%*FS |
| Basic Error | |
| When testing CT PT error & impedance & admittance, the error will not beyond: | ΔX=±(X*2%+Y*2%+Dx) ΔY=±(X*2%+Y*2%+Dy) ΔX: basic error limit value of in-phase component ΔY: basic error limit value of Quadrature Component X: Indication absolute value of in-phase component Y: Indication absolute value of Quadrature Component Dx & Dy: Zero error and Quantizing Error When testing CT & PT, Dx,Dy=1(or 2)%*(Error limit value of CT & PT When testing Z & Y, Dx,Dy= 3 digits |
Test Range & Resolution
| CT PT Accuracy | Test Range | Highest Resolution | ||
| In-phase component | Quadrature Component | In-phase component | Quadrature Component | |
| 0.01 | ±0.4000 | ±13.752 | 0.0001% | 0.001' |
| 0.02 | ||||
| 0.05 | ||||
| 0.1 | ±4.000 | ±137.52 | 0.001% | 0.01' |
| 0.2 | ||||
| 0.5 | ||||
| 1.0 | ±40.00 | ±999.9 | 0.01% | 0.1' |
| Impedance Test Range & Resolution | ||||
| Range | Test Range (Ω) | Resolution | ||
| 5A | ±1.000 | 0.0001 | ||
| 1A | ±6.000 | 0.0001 | ||
| Admittance Test Range & Resolution | ||||
| Range | Test Range (mS) | Resolution | ||
| 100V | ±9.9999 | 0.0001 | ||
| 57.7V | ±9.9999 | 0.0001 | ||
Features
Design for option
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Seller
Year Established:
2009
Total Annual:
100-500
Employee Number:
8 ~10
Ecer Certification：
Active Member
Zhengzhou Great Electric Co.,Ltd, established in 2011, is a fast growing company in Zhengzhou, Henan Province, in the same year, Henan Muchen Trading Co.,Ltd was founded as our export sales company, taking charge of all export deals. We specialize in production & supply of high-quality produc... Zhengzhou Great Electric Co.,Ltd, established in 2011, is a fast growing company in Zhengzhou, Henan Province, in the same year, Henan Muchen Trading Co.,Ltd was founded as our export sales company, taking charge of all export deals. We specialize in production & supply of high-quality produc...
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