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GENERAL SPECIFICATIONS
Klein Tools CL220 is an automatically ranging, true root-mean-
square (TRMS) digital clamp-meter that measures AC current via the
clamp, AC/DC voltage, resistance and continuity via test-leads, and
temperature via a thermocouple probe.
• Operating Altitude: 6562 ft. (2000m)
• Relative Humidity: <95% non-condensing
• Operating Temp: 32° to 122°F (0° to 50°C)
• Storage Temp: 14° to 122°F (-10° to 50°C)
• Accuracy: Values stated at 65° to 83°F (18° to 28°C)
• Temp Coefcient: 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: 8.46" x 3.54" x 1.50" (215 x 90 x 38 mm)
• Weight: 11.04 oz. (313 g) including batteries
• Calibration: Accurate for one year
• Auto Power-Off (APO): After approx. 10 minutes of inactivity
• Standards: IEC EN 61010-1, 61010-2-032, 61010-2-033.
IEC EN 61326-1, 61326-2-2.
Conforms to UL STD.61010-1,
61010-2-032,61010-2-033;
Certified to CSA STD.C22.2 NO. 61010-1,
61010-2-032,61010-2-033.
• Pollution degree: 2
• Accuracy: ± (% of reading + # of least significant digits)
• Drop Protection: 6.6 ft. (2m)
• Safety Rating: CATIII 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.
ELECTRICAL SPECIFICATIONS
Function Range Resolution Accuracy
AC Voltage
(V AC)
200.0mV 0.1mV ±(2.5% + 10 digits)
2.000V 1mV
±(2.0% + 5 digits)
20.00V 10mV
200.0V 100mV
600V 1V
DC Voltage
(V DC)
200.0mV 0.1mV ±(1.0% + 8 digits)
2.000V 1mV
±(1.0% + 3 digits)
20.00V 10mV
200.0V 100mV
600V 1V
Input Impedance: 10MΩ
Frequency Range: 45 to 400Hz
Maximum Input: 600V AC RMS or 600V DC
AC Current
(A AC)
2.000A 1mA ±(2.5% + 30 digits)
20.00A 10mA
±(2.0% + 10 digits)200.0A 100mA
400A 1A
Frequency Range: 50 to 60Hz
Resistance
200.0Ω 0.1Ω ±(1.2% + 5 digits)
2.000KΩ 1Ω
±(1.2% + 3 digits)
20.00kΩ 10Ω
200.0kΩ 100Ω
2.000MΩ 1kΩ
20.00MΩ 10kΩ ±(2.0% + 5 digits)
Maximum Input: 600V AC RMS or 600V DC
Temperature
°F
-40° to 10°F
1
°F
±(1.2% + 7 digits)
11° to 1832°F
±(1.2% + 6 digits)
Temperature
°C
-40° to -12°C
1
°C
±(1.2% + 4 digits)
-11° to -1000°C
±(1.2% + 3 digits)
ENGLISH
OTHER MEASUREMENT APPLICATIONS
Maximum Input: 600V AC RMS or 600V DC
• Continuity Check: Audible signal <10Ω, max current 1.5mA
• Sampling Frequency: 3 samples per second
• Overload: "OL" indicated on display
• Polarity: "-" on display indicates negative polarity
• Display: 3 ½ digit, 2000 Count LCD
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