| Measurement ranges | 36 ranges: DC voltage (250 mV to 1000 V), AC voltage (2.5 V to 1000 V), DC current (50 µA to 10 A), and resistance (R×1, R×100, R×10K) |
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| DC voltage | 250mV, 1V, 2.5V, 10V, 25V, 50V, 250V, 500V, 1000V; 2% of full scale accuracy; 20,000 ohms per volt sensitivity |
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| AC voltage | 2.5V, 10V, 25V, 50V, 250V, 500V, 1000V; 3% of full scale accuracy; 5000 ohms per volt sensitivity |
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| DC current | 50µA, 1mA, 10mA, 100mA, 500mA, 10A; 1.5% of full scale on 50µA, 2% on the rest; the 0-10A range is not fused (direct shunt) |
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| AC current | Up to 10A AC with the Model A-2 AC ammeter clamp adapter accessory (catalog 00545) |
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| Resistance | R×1 (0-2 kΩ), R×100 (0-200 kΩ), R×10K (0-20 MΩ); accuracy 2.5° of arc on R×1, 2.0° of arc otherwise |
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| Decibels | -20 to +50 dB, referenced to 0 dB = 1 mW into 600 Ω |
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| Overload protection | Standard and high-energy fusing with a diode network protecting the meter movement; 1A 250V quick-acting fuse (Littelfuse 312001) and high-energy 2A 600V fuse (Bussmann BBS or Littelfuse BLS). No relay reset circuit or audible continuity |
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| Meter movement | Self-shielding taut-band movement with mirrored, tri-colored dial to prevent parallax error |
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| Jacks | Reverse recessed safety jacks prevent operator and tool contact with live connections |
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| Batteries | One 1.5V D cell and one 9V (NEDA 13F and 1604A) for the ohmmeter circuits; batteries included |
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| Included | Full-size test leads (one red, one black, 48 in) with threaded probe tips and screw-on alligator clips, manual, and batteries |
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| Case | Rugged phenolic case with reinforced walls |
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| Rated circuit-to-ground voltage | 1000V AC/DC max |
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| Size | 7 × 5.5 × 3.1 in (18 × 14 × 8 cm) |
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| Weight | 3 lb (1.4 kg) |
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| Origin | Made in the USA |
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