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Klein Tools MM300 is a manual ranging multimeter that measures
AC/DC voltage, DC current, and resistance. It can also test batteries,
diodes, and continuity.
• operating altitude: 6562 ft. (2000m)
• relative Humidity: <80% non-condensing
• operating temp: 32°F to 104°F (0°F to 40°C)
• Storage temp: 14°C to 140°F (-10°C to 60°C)
• accuracy: Values stated at 65° to 83°F (18° to 28°C)
• temp coefficient: 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: 6.04" x 3.07" x 1.78" (153.4 x 78.0 x 45.2 mm)
• Weight: 8.1 oz. (230 g)
• calibration: Accurate for one year
• Standards: Conforms to: UL STD 61010-1, 61010-2-030,
• pollution degree: 2
• accuracy: ± (% of reading + # of least significant digits)
• Drop protection: 3.3 ft. (1m)
• Safety rating: CAT III 600V, Class 2, Double insulation
• 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.
2
MM300-1390109ART.indd 2
General SpecificationS
Certified to: CSA STD C22.2 # 61010-1,
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.
Dwg Name: MM300-1390109ART
Dwg No: 1390109
ECO No: 20617
Pkg Dwg Ref: 1290186
Color Reference: N/A
61010-2-033.
61010-2-030, 61010-2-033.
IEC EN 61010-1, 61010-2-030,
61010-2-033, 61326-1.
Rev: E
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