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 VFM200: VOC/FORMALDEHYDE METER

• Backlit LCD displays TVOC (Total Volatile Organic Compound) and HCHO (Formaldehyde) concentrations simultaneously in real-time
• Built-in fast response, high accuracy fuel cell Formaldehyde sensor
• Two selectable units of measure (ppm, mg/m3)
• Adjustable audible and visible high/low alarms
• Auto Power Off
• Complete with rechargeable battery and Universal AC Adaptor/Charger (multi-plugs US, EU, UK, and AU)

EXTECH SDL470 UVA/UVC LIGHT METER/DATALOGGER

• UVA probe captures long-wave 365nm UV irradiance measurements under a UVA (black light) source
• UVC probe captures short-wave 254nm UV irradiance measurements under a UVC light source
• Cosine correction filter and metal housing
• Datalogging feature records readings with date and time stamp on an SD card (included) in Excel® format
• Offset adjustment used for zero function or to make relative measurements
• Adjustable data sampling rate from 1 to 3600 seconds

EXTECH CO30: CO (CARBON MONOXIDE) MONITOR

• Alternately displays Carbon Monoxide (CO) concentration, Air Temperature, and Relative Humidity readings (cycles approximately every 6 seconds)
• Visible bright tri-colored (green, yellow, red) LED alarm indicator
• Adjustable audible alarm for readings exceeding one of the selected ranges: 25ppm, 30ppm, 35ppm, 50ppm, 100ppm or 200ppm
• ZERO Re-Calibration function
• Manual Temperature and Relative Humidity Compensation (adjustable)
• CO Calibration function in fresh air

EXTECH LCR200: PASSIVE COMPONENT LCR METER

• Measures Inductance, Capacitance, and Resistance with secondary parameter Q (Quality), D (Dissipation), R (Resistance), P (Phase), ESR (Equivalent Series Resistance)
• Simultaneous 20,000/2,000 count backlit display of the primary parameter (L, C or R) with the secondary parameter
• Auto Select measurement function with 1kHz default test frequency
• Five test frequencies
• Set Hi/Lo limits using absolute values or percentage limits

EXTECH 412400: MULTIFUNCTION PROCESS CALIBRATOR

• Source 0 to 24mA with 0.01mA resolution
• Measure 0 to 50mA (0.1mA resolution)
• Select Type K, J, or T thermocouple for precision calibrations in °F/°C or mV
• Output 0 to 1999mV or 0 to 10.00V
• Measure 0 to 19.99V

EXTECH CT40 CABLE IDENTIFIER/TESTER KIT

• Troubleshoot electrical/electronic circuits and identify up to 16 local or installed lines
• MultiMeter functions include: AC/DC Voltage and Current, Resistance, Diode, and Continuity
• Transmitter/Receiver enables one person to remotely identify up to 16 wires
• Wire voltage check from 5 to 16VDC
• Data Hold and Max Hold, Auto power off

EXTECH EX503 10 FUNCTION HEAVY DUTY INDUSTRIAL MULTIMETER

• Averaging DMM with 10 functions and 0.5% basic accuracy
• AC/DC Voltage & Current, Resistance, Capacitance, Frequency, Duty Cycle, Diode/Continuity
• Dual sensitivity frequency functions (electrical/electronic)
• 1000V input protection on all functions
• 10A max Current

EXTECH MA200 400A AC CLAMP METER

• 2000 count LCD display
• High accuracy for Current measurements
• 0.9" (23mm) jaw size accommodates conductors up to 300MCM
• Continuity beeper and Diode test
• Data Hold, Max Hold
• Overload protection for all ranges
• Overrange and low battery indicators
• Autoranging with Auto Power Off
• Complete with test leads, case and two AAA batteries

EXTECH 38073A MINI ANALOG MULTIMETER

• Easy to read color coded analog display
• Measure AC/DC Voltage, DC Current, Resistance and Decibel
• 4% full scale basic accuracy
• Battery test on 9V and 1.5V batteries
• Complete with test leads and 1.5V AA battery

EXTECH 380363 DIGITAL HIGH VOLTAGE INSULATION TESTER

• 250V, 500V and 1000V Test Voltages
• Measure Insulation Resistance to 10GOhm
• Large LCD display with analog bargraph
• Lo Ohm function for testing connections