| Model | Measurement range | General introduction | Picture |
| HY2550 Insulation tester | 2500V/0~100G; 5000V/0~200G; | Analog , Short Circuit Current:1mA | |
HY2000 Insulation tester | 2500V/0~100G; 5000V/0~200G; | Analog and digital display; DC/AC Rechargeable Battery; Polarization Index and Absorption Ratio calculation; Short Circuit Current 3.3mA; Save test results in memory. | |
HY2010 Insulation tester | 500V/0~20G; 1000V/0~40G; 2500V/0~100G; 5000V/0~200G; | Analog and digital display; DC/AC Rechargeable Battery; Polarization Index and Absorption Ratio calculation; Short Circuit Current 3.3mA; Save test results in memory. | |
HY2303 Insulation tester | 2500V/0~100G; 5000V/0~200G; 10000V/0~400G; | Analog and digital display; DC/AC Rechargeable Battery; Short Circuit Current :1mA; Save test results in memory. | |
HY2305 Insulation tester | 250V/0~10G; 500V/0~20G; 1000V/0~40G; 2500V/0~100G; 5000V/0~200G; | Analog and digital display; DC/AC Rechargeable Battery; Polarization Index and Absorption Ratio calculation; Short Circuit Current 3.3mA; Save test results in memory. | |
HY2306 Insulation tester | 5000V/0~200G; 10000V/0~400G; | Analog and digital display; DC/AC Rechargeable Battery; Polarization Index and Absorption Ratio calculation; Short Circuit Current 3.3mA; Save test results in memory. | |
| HY2533Insulation tester | 500V/0~20G; 1000V/0~40G; 2500V/0~100G; | Analog, Short Circuit Current:1mA | |
