Works with GFCI circuits
Tests for faulty wiring in 3-wire receptacles: Correct, Open Ground, Open Neutral, Open Hot, Hot/Ground Reverse, Hot/Neutral Reverse
Lights indicate circuit condition
Standard North American 3-prong plug

More products EXTECH

EXTECH 433201: MULTI-TYPE CALIBRATOR THERMOMETER

• One model for multiple thermocouple types with precision output displayed as mV or °C/°F
• Microprocessor assures maximum accuracy to 0.15% of reading over wide ranges
• High Accuracy Calibration function simulates precision thermocouple outputs for use in calibrating thermometers, transmitters,controllers or recorders.
• Complete with universal AC adaptor and AU/EU/UK/US plugs

EXTECH EX430 11 FUNCTION TRUE RMS PROFESSIONAL MULTIMETER

• True RMS DMM with 11 functions and 0.3% basic accuracy
• AC/DC Voltage & Current, Resistance, Capacitance, Frequency, Temperature, Diode/Continuity, Duty Cycle
• Input fuse protection and mis-connection warning
• 20A max Current

EXTECH 380562 HIGH RESOLUTION PRECISION MILLIOHM METER (220VAC)

• 7 ranges for wide low resistance measurements
• High resolution to 0.01mOhm
• 1999 count display with 0.8" digits
• 4-wire test cable with Kelvin clip connectors
• Automatic zero
• Built-in comparator for Hi/Lo/Go resistance testing or selection

EXTECH LT300 LIGHT METER

• Wide range to 40,000Fc or 400,000 Lux with max resolution to 0.01 Fc/Lux
• Relative mode indicates change in light levels, peak mode captures highest reading
• Remote light sensor on 12" (30.5cm) coiled cable - expandable to 24" (61cm)
• Utilizes precision photo diode and color correction filter
• Large LCD display with analog bargraph
• Backlight for readings in low light levels
• Complete with 9V battery, light sensor with protective cover, protective holster, and soft case

EXTECH MA3018 3000A TRUE RMS AC FLEX CLAMP METER

• Measure AC Current up to 3000A
• True RMS for accurate readings of noisy, distorted or non-sinusoidal waveforms
• Flexible 18" (45.7cm) clamp jaw easily wraps around bus bars and cable bundles
• 7.5mm cable diameter fits into tight spaces and around large conductors
• Measures AC Current in three ranges
• 3000 count backlit LCD display

EXTECH EA31 EASYVIEW™ LIGHT METER

• Compact and rugged design with large display
• Low range model measures to 2,000Fc/ 20,000Lux
• Data Hold and Min/Max readings
• Auto power off

EXTECH CO10: CARBON MONOXIDE (CO) METER

• Easy to read 1999 count backlit displays CO levels from 0 to 1000ppm
• 1ppm resolution with ±5% or ±10ppm basic accuracy (whichever is greater)
• Utilizes a stabilized electrochemical gas specific (CO) fast response sensor
• Audible alarm starts at 35ppm
• Backlight for low light conditions

EXTECH 382202 18V/3A SINGLE OUTPUT DC POWER SUPPLY

• Constant voltage or current
• Dual backlit LCD displays for voltage and current
• Short circuit protection
• Current limiting

EXTECH HW30 HEATWATCH™ HUMIDITY/TEMPERATURE STOPWATCH

• User adjustable Heat Index alarm
• Stopwatch/chronograph mode with 1/100 second resolution
• Fastest/Slowest/Average Lap recall
• 99 lap counter with 30 lap/split memory
• 10 hour countdown timer with audible beeper warning for the last 5 seconds
• Programmable alarm
• Calendar mode displays day, month, and date

EXTECH MO230 POCKET MOISTURE METER

• Displays moisture in wood and other building materials plus Air Temperature and Relative Humidity
• Digital LCD readout with analog bargraph and numerical displays
• Simultaneous digital readout of moisture content plus ambient temperature or humidity with analog bargraph display of moisture, Max moisture values, and programmable wet/dry indication
• Use on wood, paper, wall board, sheet rock, cardboard, plaster, concrete, and mortar