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| Nome da marca: | Shengtai Instrument |
| Número do modelo: | SH124 |
| MOQ: | 1 |
| Termos de pagamento: | T/T |
| Capacidade de fornecimento: | 100000 sts/ano |
SH124 automatic volume resistivity tester is designed and manufactured according to the requirements of the People's Republic of China power industry standard DL/T421-2009 and the national standard GB/T5654. It is used for measuring the volume resistivity of liquid media such as insulating oil and fuel oil.
SH124 automatic volume resistivity measuring instrument adopts MCS-51 series MCU as the system control core, color LCD display, Chinese man-machine dialogue, guide operation, the measurement process is fully automated (automatic cup change, automatic shift), and rolling storage of 200 test data;
And combined with modern new technology developed from.
The whole equipment of advanced design, reasonable structure, simple operation, safe and reliable, is the contemporary technology level of same sort products at home and abroad the highest performance index, the most perfect resistivity tester, particularly useful in the application of oil monitoring, power sector test results accord with national standard DL421-91 the insulating oil volume resistivity measurement.
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Technical parameters
Executive standard: DL/T421, GB/T5654
Test range: 2.0 x 105 ~ 1.0 x 1013 Ω m.
Test accuracy: repeatability:
Volume resistivity > 1.0 x 1010 Ω m., the relative error of 25%
Volume resistivity 1.0 x 1010 or less Ω m., the relative error is 15%
Reproducibility:
Volume resistivity > 1.0 x 1010 Ω m., the relative error of 35%
Volume resistivity 1.0 x 1010 or less Ω m., the relative error is 25%
Test voltage: 500 VDC maximum error 0.5 %
Constant temperature time: 0 ~ 59 minutes
Charging time: 0 ~ 99 seconds
Discharge time: 0 ~ 9 minutes
Temperature control range: 15 ~ 100℃, temperature control accuracy ±0.5℃
Electrode cup parameters:
Electrode type: three terminal electrode, internal and external electrode double temperature control
Electrode material: special steel
Insulation material: PTFE
Electrode spacing: 2.0mm
Empty cup capacitance: 30.0pF
Empty glass insulation resistance: > 3.0 x 1012 Ω
Power source: AC 220V± 10%, 50Hz± 5%
Power: 500 w or less
Working environment: temperature 10 ~ 35℃, humidity ≤ 85%
SH124 Automatic volume resistivity tester
| Executive standard | DL/T421, GB/T5654 | |
| Test range | 2.0 x 105 ~ 1.0 x 1013 Ω m. | |
| Test accuracy: repeatability | ||
|
Volume resistivity > 1.0 x 1010 Ω m., the relative error of 25% Volume resistivity 1.0 x 1010 or less Ω m., the relative error is 15% |
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| Reproducibility | ||
|
Volume resistivity > 1.0 x 1010 Ω m., the relative error of 35% Volume resistivity 1.0 x 1010 or less Ω m., the relative error is 25%
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Test voltage: 500 VDC maximum error 0.5 %
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| Constant temperature time |
0 ~ 59 minutes
|
|
| Charging time | 0 ~ 99 seconds | |
| Discharge time | 0 ~ 9 minutes | |
| Temperature control range | 15 ~ 100℃, temperature control accuracy ±0.5℃ | |
| Electrode type | three terminal electrode, internal and external electrode double temperature control | |
| Electrode material |
special steel
|
|
| Insulation material | PTFE | |
| Electrode spacing | 2.0mm | |
| Empty cup capacitance | 30.0pF | |
| Empty glass insulation resistance | > 3.0 x 1012 Ω | |
| Power source | AC 220V± 10%, 50Hz± 5% | |
| Power | 500 w or less | |
| Working environment | temperature 10 ~ 35℃, humidity ≤ 85% | |
Packing list
| S/N | Name | Quantity | Unit | Remarks |
| 1 | Host | 1 | set | |
| 2 | Electrode cup | 1 | set | |
| 3 | power cord | 1 | piece | |
| 4 | Instructions | 1 | copy | |
| 5 | Packing list | 1 | copy | |
| 6 | Certificate warranty card | 1 | copy |