| Number of Channels | 10 Channels | 20 channels |
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| Test Parameters | AC Resistance, DC Voltage | AC resistance, DC voltage |
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| Measurement Range | Internal Resistance Test Range | 0.01mΩ~3.3000kΩ | 0.01mΩ–3.3000kΩ |
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| Voltage Test Range | 0.0001V~60.000VDC | 0.0001V–60.000VDC |
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| Basic Accuracy | Resistance: 0.5% Voltage: 0.05% | Resistance: 0.5%, Voltage: 0.05% |
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| Signal Source | AC 1kHz, Test Current: <150mA | AC 1kHz, test current: <150mA |
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| Range | Three ranges auto and manual | 3 ranges, auto and manual |
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| Test Speed | Fast 10 channels/2s, Medium 10 channels/3s, Slow 10 channels/4.5s | Fast: 10ch/2s, Medium: 10ch/3s, Slow: 10ch/4.5s |
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| Display Results | Direct reading, ΔABS, Δ%, θ, Sorting results | Direct reading, ΔABS, Δ%, θ, sorting result |
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| Maximum Reading | Resistance: 33,000 Voltage: 60,000 | Resistance: 33,000, Voltage: 60,000 |
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| Calibration | Short circuit zero calibration across all ranges | Full-range short-circuit zero correction |
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| Comparator | RHI/RNG/RLO output, VHI/VNG/VLO output, Absolute tolerance ±TOL sorting, Percentage tolerance %TOL sorting, Sequential comparison sorting | RHI/RNG/RLO output, VHI/VNG/VLO output, absolute tolerance ±TOL sorting, percentage tolerance %TOL sorting, sequential comparison sorting |
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| Trigger | Internal trigger, Manual trigger, External trigger, Remote trigger | Internal trigger, manual trigger, external trigger, and remote trigger |
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| Wire Break Detection | - |
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| Dimensions | Instrument Dimensions | 264mm(W)×107mm(H)×350mm(D) | 264mm (W) × 107mm (H) × 350mm (D) |
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| Package Dimensions | - |
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| Weight | Net Weight | 4kg |
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| Gross Weight | - |
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| Power Requirements | Voltage: 220VAC, Frequency: 50Hz, Power: 20VA |
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| Interface | RS-232C interface, Handler interface (PLC interface) |
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| Communication Protocol | SCPI |
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| Other | True-color TFT-LCD display, Key lock and data hold function, Internal flash memory and USB drive data logging; Accessories: ATL503DZ2 with clip 1pc, ATL503DZ2 without clip 20pcs, ATL108 RS232 interface cable | True-color TFT-LCD display, keyboard lock and data hold function, internal flash and USB drive data recording; Accessories: 1× ATL503DZ2 with clips, 20× ATL503DZ2 without clips, 1× ATL108 RS232 interface cable |
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