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AMP-320 是美國安博生產的一款便攜式數字鉗型表，由浚海儀器代理銷售。更多關于AMP-320 產品信息，請。
| FEATURE | AMP-210 | AMP-220 | AMP-310 | AMP-320 | AMP-330 | |
| AC voltage (True-rms) | Range: | 0 to 600.0 V | 0 to 1000.0 V | |||
| Accuracy: | ±1.0% + 5LSD (50 to 60 Hz) | ±0.8% + 5LSD (50 to 60 Hz) | ||||
| DC voltage | Range: | 0 to 600.0 V | ||||
| Accuracy: | ±1.0% + 5LSD | |||||
| AC+DC voltage | Range: | – | 0 to 600.0 V | – | 0 to 600.0 V | 0 to 1000.0 V |
| Accuracy: | – | ±1.2% + 7LSD (50 to 60 Hz) | – | ±1.2% + 7LSD (50 to 60 Hz) | ±1.0% + 7LSD (50 to 60 Hz) ±1.8% + 7LSD (DC 40 to 200 Hz) ±1.2% + 7LSD 200 to 400 Hz) | |
| AC current | Range: | 0 to 600.0 A | ||||
| Accuracy: | ±1.8% + 5LSD (50 to 60 Hz) ±2.0% + 5LSD (100 to 400 Hz) | |||||
| DC current | Range: | – | 0 to 600.0 A | – | 0 to 600.0 A | 0 to 1000.0 A |
| Accuracy: | – | ±2.0% + 5LSD (DC 50 to 100 Hz) | – | ±2.0% + 5LSD (DC 50 to 100 Hz) | ±1.8% + 5LSD (DC 50 to 100 Hz) | |
| AC+DC current | Range: | – | 0 to 600.0 A | – | 0 to 600.0 A | 0 to 1000.0 A |
| Accuracy: | – | ±2.2% + 7LSD (DC 50 to 100 Hz) ±2.7% + 7LSD (100 to 400 Hz) | – | ±2.2% + 7LSD (DC 50 to 100 Hz) ±2.7% + 7LSD (100 to 400 Hz) | ±2.2% + 7LSD (40 to 100 Hz) ±2.5% + 7LSD (100 to 400 Hz) | |
| Precise low current AC | Range: | 0 to 60.00 A | ||||
| Accuracy: | ±1.5% + 5LSD (50 to 60 Hz) | ±1.5% + 5LSD (50 to 60 Hz) ±2.0% + 5LSD (0.00 to 20.00 A, 100 to 400 Hz) ±3.0% + 5LSD (>20.00 to 60.00 A, 40 to 100 Hz) ±3.0% + 5LSD (>20.00 to 60.00 A, 100 to 100 Hz) | ||||
| Precise low current DC | Range: | – | 0 to 60.0 A | – | 0 to 60.0 A | 0 to 60.00 A |
| Accuracy: | – | ±2.0% + 5LSD | – | ±2.0% + 5LSD | ±1.5% + 5LSD (0.00 to 20.00 A) ±3.0% + 5LSD (>20.00 to 60.00 A) | |
| Micro amps | Range: | – | – | 0 to 2000 ?A | ||
| Accuracy: | – | – | ±1.0% + 5LSD | |||
| Frequency | Range: | 5.00 to 999.9 Hz | ||||
| Accuracy: | ±1.0% + 5LSD (600 V range) | |||||
| Range: | 50.0 to 400.0 Hz | |||||
| Accuracy: | ±2.0% + 4LSD (600 A range) | |||||
| Resistance | Range: | 0.0 to 60.00 kΩ | ||||
| Accuracy: | ±1.0% + 5LSD | |||||
| Capacitance | Range: | 0.0 to 2500 ?F | ||||
| Accuracy: | ±2.0% + 4LSD | |||||
| Continuity beeper | ON ≤ 10 Ω | |||||
| Off > 250 Ω | ||||||
| Temperature* (Type K thermocouple) | – | – | -40.0 to 752 °F -40.0 to 400 °C | |||
| – | – | ±1.0% + 3.0 °F (-40.0 to 14.0 °F) ±1.0% + 1.5 °F (>40.0 to 99.9 °F) ±1.0% + 2.0 °F (100 to 752 °F) ±1.0% + 1.5 °C (-40.0 to 10.0 °C) ±1.0% + 0.8 °C (>-10.0 to 99.9 °C) ±1.0% + 1.0 °C (100 to 400 °C) | ||||
| Non-contact voltage | 10 V to 1000 V AC (50 to 60 Hz) | |||||
| Phase rotation indication | – | – | Rotation-R for main supply Rotation-M for motors | |||
| Diode test | ? | ? | ? | ? | ? | |
| Jaw opening | 1.18 in (30 mm) | 1.37 in (35 mm) | 1.18 in (30 mm) | 1.37 in (35 mm) | 2.0 in (51 mm) | |
| Safty rating | CAT III 600 V | CAT IV 600V CAT III 1000 V | ||||
| Special Features | ||||||
| In-rush current | – | ? | ? | ? | ? | |
| Peak hold (Crest) | – | – | – | – | ? | |
| Relative zero | ? | ? | ? | ? | ? | |
| Max/Min/Avg | ? | ? | ? | ? | ? | |
| Data hold | ? | ? | ? | ? | ? | |
| Backlight | ? | ? | ? | ? | ? | |
| Auto power off | ? | ? | ? | ? | ? | |
| Work light | – | – | – | – | ? | |