| Parameter | 20 channel AC resistance , 20 channel DC voltage |
| Accuracy | Resistance：0.5% Voltage：0.05% |
| Test range | Resistance：0.01mΩ~3.3000KΩ Voltage：0.00001V~60.000VDC |
| Signal source | AC 1kHz，Test current：<150mA |
| Range | 3 ranges for auto & manual |
| Test speed | Fast: 10 channel/ 1s, Medium: 10 channel/2s, Slow:10 channel/3s |
| Result display | show,ΔABS,Δ%,θ, sorting result |
| Max display | Resistance：3,0000 Voltage：60,000 |
| Calibration | short-circuit correction full range |
| Comparator | RHI/RNG/RLO output VHI/VNG/VLO Output absolute value tolerance±TOL sorting percentage tolerance TOL sorting Order comparison sorting |
| Trigger | Internal, Manual, External & Remote trigger |
| Interface | RS-232C, Handler, (PLC interface） |
| Power requirements | Voltage：195VAC～245VAC Frequency：50Hz Power：15VA |
| Size and Weight | 264 x107x350 mm / 4kg |
| Accessories | ATL503DZ2 with clip 1 set、ATL503DZ2 without clip 20 sets, ATL108 RS232 communication cable |
| Others | TFT-LCD dispaly, keypad lock ,data hlod function,internal memory and U -disk record |