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GENERAL SPECIFICATIONS
Klein Tools MM420 is an auto-ranging, true root mean squared
multimeter that measures AC/DC voltage, AC/DC current, and resistance.
It can also measure temperature, capacitance, frequency, duty-cycle,
and test diodes and continuity.
• Environment:
Indoor. DO NOT expose to moisture, rain, or snow.
• Operating Altitude: 6562 ft. (2000m)
• Relative Humidity: <80% non-condensing
• Operating Temp: 32°F to 104°F (0°C to 40°C)
• Storage Temp: 14°F to 140°F (-10°C to 60°C)
• Accuracy: Values stated at 65°F to 83°F (18°C to 28°C)
• Temp Coef cient: 0.1 x (Quoted Accuracy) per °C above 28°C
or below 18°C, corrections are required when ambient working
temp is outside of Accuracy Temp range
• Dimensions: 6.41" × 3.13" × 1.83" (162.7 × 79.4 × 46.6 mm)
• Weight: 8.8 oz. (250 g)
• Calibration: Accurate for one year
• Standards: Conforms to: UL STD 61010-1, 61010-2-030,
61010-2-033.
Certified to: CSA STD C22.2 # 61010-1,
61010-2-030, 61010-2-033.
IEC EN 61010-1, 61010-2-030,
61010-2-033, 61326-1.
• Pollution degree: 2
• Accuracy: ± (% of reading + # of least significant digits)
• Drop Protection: 6.6 ft. (2m)
• Safety Rating: CAT III 600V, Class 2, Double insulation
CAT III: Measurement category III is applicable to test and
measuring circuits connected to the distribution part of the
building’s low-voltage MAINS installation.
• Electromagnetic Environment: IEC EN 61326-1. This
equipment meets requirements for use in basic and controlled
electromagnetic environments like residential properties,
business premises, and light-industrial locations.
Specifications subject to change.
ENGLISH
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