Klein Tools CL490 Dual Display Clamp Meter delivers accurate measurements with secondary display for easier readability in tight spaces. From AC/DC current, voltage, resistance, continuity, frequency,and capacitance, all with True RMS precision. It features diode testing and temperature is taken via thermocouple. Features NCV detection with escalating audio-visual alert. The backlit, hi-viz display and lighted dial ensure visibility in any lighting. Warnings: Read, understand and follow all instructions, cautions and warnings attached to and /or packed with all test and measurement devices before each use.; Do not attempt to measure resistance or continuity on live circuits.; Before each use verify meter operation by measuring a known voltage or current.; Do not use the meter during electrical storms or in wet weather, and do not use the meter or test leads if they appear to be damaged.; Usage of this meter in any way other than that specified by the manufacturer can impair safe operation, resulting in severe injury or death. - Features: Dual Display digital clamp meter allows users to see readings in tight space areas; AC/DC clamp meter with True RMS provides accurate and reliable measurements across various applications; Measures AC/DC current and NCVT via clamp; AC/DC voltage, resistance, continuity, frequency/duty cycle, DC microamps, diode test and capacitance via test leads; temperature via thermocouple; Backlit reverse-contrast LCDs for clear data and best view-ability in all environments; Withstands drops from 6.6 feet (2 m), and includes right-angle input test leads, thermocouple, storage pouch, instruction manual, and 2 x AA batteries; Ergonomic design provides a comfortable grip, with easy dial adjustment using the thumb; Non-contact voltage detection is integrated into the clamp jaw, with audible and visual indicators that intensify as the clamp moves closer to the voltage source; Clamp body includes a side-mounted test lead holder and a back mount that accommodates an optional magnetic hanger (Cat. Nos. 69445 or 69417) for hands-free operation; Bottom Display; Automatically Ranging; TRMS Measurement; AC/DC Current Measurement; High Visibility Reverse Contrast LCD; NCVT - Replaced By Products: 69410