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GENERAL SPECIFICATIONS
The Klein Tools ET600 is a digital tester with four voltage ranges for
insulation resistance measurements, and is also a True Root-Mean-
Squared (TRMS) tester that measures AC/DC voltage, electrical
resistance, and continuity.
• Operating Altitude: 6562 ft. (2000m)
• Relative Humidity: <80% non-condensing
• Operating Temp: 14°F to 122°F (-10°C to 50°C)
• Storage Temp: -4°F to 140°F (-30°C to 60°C)
• Accuracy: Values stated at 65°F to 83°F (18°C 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
• Battery Life
with fresh alkaline batteries (EN61557):
Insulation test: Tester performs at least 137 insulation tests of
1000V DC into 1MΩ with a duty cycle of 5 seconds on and 25
seconds off.
Resistance measurement: Tester performs at least 265
resistance measurements of 1Ω with a duty cycle of 5 seconds on
an 25 seconds off.
• Dimensions: 7.8" x 3.6" x 2.4" (200 x 92 x 62 mm)
• Weight: 24.6 oz. (700 g)
• Calibration: Accurate for one year
• Standards: Conforms to: UL STD 61010-1, 61010-2-030,
61010-2-033, 61557-1-2-4.
Certified to: CSA STD C22.2 # 61010-1,61010-2-030,
61010-2-033, 61557-1-2-4.
IEC EN 61010-1, 61010-2-030,
61010-2-033, 61326-1, 61557-1-2-4.
• Pollution degree: 2
• Accuracy: ±(% of reading + # of least significant digits)
• Drop Protection: 3.3 ft. (1 m)
• Ingress Protection: IP40*
*except test lead jacks, see WARNINGS section
• Safety Rating:
CAT IV 600V, CAT III 1000V, 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.
CAT IV: Measurement category IV is applicable to test and
measuring circuits connected at the source 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
ELECTRICAL SPECIFICATIONS
INSULATION RESISTANCE
Terminal
Voltage
Range
(MΩ)
Resolution
(MΩ)
Accuracy
Test
Current
125V
(0% to +20%)
0.125 to 3.999 0.001 ±(2% + 10 digits)
1mA load
@ 125kΩ
4.00 to 39.99 0.01 ±(2% + 10 digits)
40.0 to 399.9 0.1 ±(4% + 5 digits)
400 to 4000 1 ±(5% + 5 digits)
250V
(0% to +20%)
0.250 to 3.999 0.001 ±(2% + 15 digits)
1mA load
@ 250kΩ
4.00 to 39.99 0.01 ±(2% + 10 digits)
40.0 to 399.9 0.1 ±(3% + 5 digits)
400 to 4000 1 ±(4% + 5 digits)
500V
(0% to +20%)
0.500 to 3.999 0.001 ±(2% + 10 digits)
1mA load
@ 500kΩ
4.00 to 39.99 0.01 ±(2% + 10 digits)
40.0 to 399.9 0.1 ±(2% + 5 digits)
400 to 4000 1 ±(4% + 5 digits)
1000V
(0% to +20%)
1.000 to 3.999 0.001 ±(3% + 10 digits)
1mA load
@ 1MΩ
4.00 to 39.99 0.01 ±(2% + 10 digits)
40.0 to 399.9 0.1 ±(2% + 5 digits)
400 to 4000 1 ±(4% + 5 digits)
VOLTAGE
Function Voltage Resolution Accuracy (
50–60 Hz
)
AC Voltage (V AC)
(1000V Max.)
<400V ≤0.01V ±(1.0% + 5 digits)
>400V ≤1V ±(1.2% + 5 digits)
DC Voltage (V DC)
(1000V Max.)
<400V ≤0.01V ±(0.9% + 3 digits)
>400V ≤1V ±(1.0% + 3 digits)
Input Impedance: 10MΩ Frequency Range: 50 to 60Hz
Maximum Input: 1000V DC or 1000V AC RMS
EARTH-BOND RESISTANCE
Function Resolution Accuracy
40.00Ω 0.1Ω ±(0.5% + 2 digits)
400.0Ω 0.1Ω ±(1.2% + 5 digits)
4000Ω 1Ω ±(2.5% + 8 digits)
Maximum Input: 300V DC or 300V AC RMS
CONTINUITY BEEPER:
Audible signal when resistance <30Ω,
short circuit >200mA, open circuit voltage 5.5V DC
AUTO POWER-OFF: after 15 minutes of inactivity
ZERO ADJUSTMENT: Automatic
SAMPLING FREQUENCY: 3 times per second
OVERLOAD:
"OL" indicated on display, 1000V RMS in voltage settings,
300V RMS in all other settings
POLARITY: "-" on display indicates negative polarity
DISPLAY: 4000 Count LCD with Dual readout
5000573
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