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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 Coeffi 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 r # 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