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GENERAL SPECIFICATIONS
Klein Tools CL312 is an automatically ranging true root mean square
(TRMS) digital clamp meter that measures AC current via the clamp,
AC/DC voltage, DC microamps, resistance, continuity, frequency,
capacitance, and tests diodes 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: 8.66" x 3.03" x 1.61" (220 x 77 x 41 mm)
• Weight: 9.88 oz. (280 g) including batteries
• Calibration: Accurate for one year
• Standards: Conforms to: UL 61010-1, UL 61010-2-032,
UL 61010-2-033.
Certified to: CAN/CSA C22.2 NO. 61010-1,
61010-2-032, 61010-2-033, IEC EN 61010-1,
61010-2-032, 61010-2-033, IEC EN 61326-1.
• Pollution degree: 2
• Accuracy: ± (% of reading + # of least significant digits)
• Drop Protection: 3.3 ft. (1m)
• 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)
400.0mV 0.1mV ±(1.8% + 5 digits)
4.000V 1mV ±(1.5% + 5 digits)
40.00V 10mV
±(1.2% + 5 digits)
400.0V 100mV
600V 1V ±(1.5% + 5 digits)
DC Voltage
(V DC)
400.0mV 0.1mV ±(1.0% + 8 digits)
4.000V 1mV
±(0.8% + 3 digits)40.00V 10mV
400.0V 100mV
600V 1V ±(1.0% + 3 digits)
Input Impedance: 10MΩ
Frequency Range: 45 to 400Hz
Maximum Input: 600V AC RMS or 600V DC
AC Current
(A AC)
4.000A 1mA ±(2.5% + 30 digits)
40.00A 10mA ±(2.5% + 10 digits)
400.0A 100mA ±(2.0% + 10 digits)
Frequency Range: 50 to 60Hz
DC Microamps
(µA DC)
200 μA 0.1 μA ±(1.0% + 5 digits)
Maximum Input: 600V AC RMS or 600V DC
Resistance
400.0Ω 0.1Ω ±(1.2% + 5 digits)
4.000KΩ 1Ω
±(1.2% + 3 digits)
40.00kΩ 10Ω
400.0kΩ 100Ω
4.000MΩ 1kΩ
40.00MΩ 10kΩ ±(2.0% + 5 digits)
Maximum Input: 600V AC RMS or 600V DC
ENGLISH