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1000 A Clamp Meter with IR Thermometer

Extech EX840A

Model: EX840A Go to Product Support

The EX840A clamp meter features a unique, built-in, non-contact infrared thermometer with laser pointer to monitor temperature and locate hot spots on motors and electrical devices. A large 6000 count LCD display with bright back lighting allows you to see the reading in dim light. Its ergonomically designed double-molded housing offers a better grip for one-handed operation and the 43 mm (1.7 in) diameter jaw opening is large enough for conductors up to 750 MCM or two 500 MCM. With 1000 A True RMS measurements, measurement of AC/DC current, and a CAT IV-600 V safety rating, the EX840A is ideal for electricians, electrical contractors, and plant maintenance professionals.

  • Advanced safety features

    • CAT IV-600 V Safety rating
    • Built-in IR thermometer for non-contact temperature measurements

  • Convenient operation

    • True RMS AC current measurements
    • Inrush current to capture start-up current
    • 6000 count backlit LCD display

  • Accurate readings in various environments

    • Low Pass Filter to ensure accurate readings in noisy electrical environments
    • Low Impedance Mode (LoZ) to reduce false readings caused by ghost voltages
    • Measures up to 1000 A AC/DC current
    • Measures up to 1000 V AC/DC voltage

Specifications
General Specifications
AC Current
0.1 A to 1000 A
AC Current Basic Accuracy
±(2.5% + 8d)
AC Voltage
0.1 mV to 1000 V
Capacitance
0.001 nF to 40 mF
Continuity
Yes
DC Current
0.1 A to 1000 A
DC Voltage
0.1 mV to 1000 V
Diode Test
Yes
Frequency
0.001 Hz to 100 kHz
Inrush Current
Yes
Jaw Size
43 mm (1.7 in)
Resistance
0.1 Ω to 60 MΩ
Temperature (IR) Max Resolution
-50°C to 270°C (-58°F to 518°F)
Temperature (Type K) Max Resolution
20°C to 760°C (-4°F to 1400°F)
True RMS
Yes
Additional Details
Certifications
CE, ETL
Dimensions
270 mm × 110 mm × 50 mm (10.5 in × 4.3 in × 2.0 in)
Safety Category
CAT IV-600 V
Warranty
2 years
Weight
396 g (14 oz)
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Extech EX840A - Model: EX840A

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