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 EX505 11 FUNCTION HEAVY DUTY TRUE RMS INDUSTRIAL MULTIMETER

• True RMS DMM with 11 functions and 0.5% basic accuracy
• AC/DC Voltage & Current, Resistance, Capacitance, Frequency, Temperature, Duty Cycle, Diode/Continuity
• Dual sensitivity frequency functions (electrical/electronic)
• 1000V input protection on all functions
• 10A max Current

EXTECH 380360 DIGITAL MEGOHMMETER

• Three test voltages of 250V, 500V and 1000V
• Insulation Resistance to 2000MOhm
• Safety Power Lock enables "hands free" operation for 3 minute test
• Automatic discharge when safety "Press to Test" button is released
• Continuity measurements to 200Ohm and Voltage to 600VAC

EXTECH MG310 DIGITAL INSULATION TESTER

• Test Voltages of 250V, 500V, and 1000V
• Measure Insulation Resistance to 5.5GOhm (autoranging)
• AC Voltage measurement from 30 to 600V
• Polarization Index measurement (PI)
• Dielectric Absorption Ratio measurement (DAR)

EXTECH 380405 CAPACITANCE DECADE BOX

• Durable construction
• Case may be grounded separately
• 3 binding posts permit isolated substitutions
• 5% Capacitance substitution from 100pF to 11,111µF
• Excellent for circuit development
• Five decade ranges of capacitance

EXTECH EA33 EASYVIEW™ LIGHT METER WITH MEMORY

• Large LCD display with advanced illuminance functions and features
• Wide measurement range to 99,990Fc (999,900 Lux) with resolution of 0.001Fc and 0.01Lux
• Luminous intensity (candela) calculations
• Store and recall up to 50 measurements, includes relative or real time clock stamp
• Ripple function excludes the effect of stray light from the primary light source measurement
• Timed-Hold, Relative in absolute value or % deviation, and Comparator function with high low alarms

EXTECH HD350 PITOT TUBE ANEMOMETER + DIFFERENTIAL MANOMETER

• Simultaneous display of Pressure, Air Velocity or Air Flow plus Temperature
• ±0.7252psi range
• 5 selectable units of pressure measurement
• Max/Min/Avg recording and Relative time stamp
• Data Hold and Auto power off functions

EXTECH 480823 SINGLE AXIS EMF/ELF METER

• Measure electromagnetic field radiation levels from fans, electrical appliances, wiring, and power lines
• Large 1/2" LCD (1999 count) display of Electromagnetic Field (EMF) level in milliGauss or microTesla
• Accurate measurements to 4% over a measuring range of 0.1 to 199.9mGauss (0.01 to 19.99µTesla)
• ELF frequency bandwidth of 30Hz to 300Hz
• Single axis - sampling 2.5 times per second

EXTECH MO265 COMBINATION PIN/PINLESS MOISTURE METER

• Choice of measuring moisture in wood and other building materials with pinless technology or use traditional remote pin probe (included)
• %WME (wood moisture equivalent) pin moisture reading
• Relative pinless moisture reading for non-invasive measurement
• Digital LCD readout with backlighting feature and tri-color LED bargraph
• Quickly indicates the moisture content of materials
• Pinless measurement depth to 0.75" (22mm) below the surface

EXTECH AN25 HEAT INDEX ANEMOMETER

• Built-in multiparameter sensors measure Air Velocity, Heat Index, Wet Bulb Globe Temperature (WBGT), Humidity, Ambient Temperature, Dew Point, Wet Bulb, Temperature, and Windchill
• MIn/Max/Average (5sec/10sec/13sec)
• Data Hold, Auto Power Off with disable
• Replaceable Mini impeller (vane)
• Complete with CR2032 battery

EXTECH 380462 PRECISION MILLIOHM METER (220V)

• High accuracy and performance for low resistance measurements
• Large 0.7" (18mm) LCD 1999 count
• 4-wire cables with Kelvin clip connectors
• Manual zero display adjust
• Overrange indication
• Compact, durable field service