Extech Instruments Corporation

Since 1971, Extech Instruments has focused on Test and Measurement tools built for the professionals, tradesperson and DIY’ers. Our single source strategy has made us the brand to turn to when it comes to tools that help prevent, identify and troubleshoot problems in a plethora of applications; whether it’s electrical, mechanical, maintenance, safety or environmental applications, our products are trusted by the professionals and are put to the test every day.

  • 603-324-7800
  • 603-324-7804
  • sales@extech.com
  • 9 Townsend West
    Nashua, NH 03063
    United States

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Showing results: 316 - 330 of 550 items found.

  • Digital Mini MultiMeter

    Extech MN36 - Extech Instruments Corporation

    The Extech MN36 digital multimeter is compact but still packed with features. Capable of measuring AC and DC voltage up to 600 volts, the MN36 is autoranging, which means it automatically displays readings with the proper decimal place location and maximum resolution. Comes with protective rubber holster, 2xAAA batteries, bead wire Type K temp. probe and test leads.

  • 3-Phase Power & Harmonics Analyzer - Complete with 3000A 24" Flexible Current Clamp Probes

    Extech PQ3350-3 - Extech Instruments Corporation

    Complete with 3000A 18" flexible current clamp probes. Datalogging of single and 3-phase/3-wire or 3-phase/4-wire systems (up to 52,428 single phase readings or 17,476 3-phase readings). Flexible clamp probes can be used for wrapping around bus bars and wire bundles. Large backlighting LCD displays up to 35 parameters in one screen. Clamp-on True RMS power measurements with on-screen Harmonics display. Simultaneous display of Harmonics and Waveform. Display of Waveform with Peak Values (1024 samples/period). Analysis of Total Harmonic Distortion (THD-F). Maximum Demand (MDkW, MW, kVA, MVA) with programmable period. Adjustable CT ratio (1 to 600) and VT ratio (1 to 3000). Graphic Phase diagram with 3-Phase system parameters. 3-phase Voltage or Current Unbalanced Ratio (VUR, VIR) and Unbalanced Factor (d0%, d2%). Calculated Unbalanced Current through Neutral Line (In). Capture 28 Transient events (including Dip, Swell and Outage) with programmable threshold (%). Optically isolated USB interface with software to download Waveforms, Power Parameters and Harmonics. Includes 3 flexible current clamps, 4 voltage leads with alligator clips and retractable plunger clips, 8 AA batteries, universal AC adaptor, software, USB interface cable, and case.

  • 3-Phase Power & Harmonics Analyzer

    Extech PQ3350 - Extech Instruments Corporation

    Power measurements and analysis + datalogging of single and 3-phase/3-wire or 3-phase/4-wire systems (up to 52,428 single phase readings or 17,476 3-phase readings). Large backlighting LCD displays up to 35 parameters in one screen. Clamp-on True RMS power measurements with on-screen Harmonics display. Simultaneous display of Harmonics and Waveform. Display of Waveform with Peak Values (1024 samples/period). Analysis of Total Harmonic Distortion (THD-F). Maximum Demand (MDkW, MW, kVA, MVA) with programmable period. Adjustable CT ratio (1 to 600) and VT ratio (1 to 3000). Graphic Phase diagram with 3-Phase system parameters. 3-phase Voltage or Current Unbalanced Ratio (VUR, VIR) and Unbalanced Factor (d0%, d2%). Calculated Unbalanced Current through Neutral Line (In). Capture 28 Transient events (including Dip, Swell and Outage) with programmable threshold (%). Optically isolated USB interface with software to download Waveforms, Power Parameters and Harmonics. Includes 4 voltage leads with alligator clips and retractable plunger clips, 8 AA batteries, universal AC adaptor, software, USB interface cable, and case. Current Probes sold separately.

  • 3000A Datalogging Power Analyzer Kit

    Extech PQ3450-30 - Extech Instruments Corporation

    The PQ3450 is a 3-phase power analyzer/data logger capable of logging up to 30,000 sets of measurements in Excel format on a removable SD memory card. Large dot-matrix, sun-readable, numerical, backlit LCD with easy-to-use onscreen menu. Full system analysis with up to 35 parameters. Adjustable Current Transformer CT (1 to 600) and Potential Transformer PT (1 to 1000) ratio for high power distribution systems. Log up to 30,000 reading on a removable SD memory card in Microsoft Excel format. Wide sampling rate range (2 seconds to 2 hours). Built-in Clock and Calendar. Complete with 4 voltage leads with alligator clips, three 3000A flexible current clamps, 8 AA batteries, SD card, 100-240 Volt AC adaptor and case.

  • 1200A Datalogging Power Analyzer Kit

    Extech PQ3450-12 - Extech Instruments Corporation

    The PQ3450 is a 3-phase power analyzer/data logger capable of logging up to 30,000 sets of measurements in Excel format on a removable SD memory card. Large dot-matrix, sun-readable, numerical, backlit LCD with easy-to-use onscreen menu. Full system analysis with up to 35 parameters. Adjustable Current Transformer CT (1 to 600) and Potential Transformer PT (1 to 1000) ratio for high power distribution systems. Log up to 30,000 reading on a removable SD memory card in Excel® format. Wide sampling rate range (2 seconds to 2 hours). Built-in Clock and Calendar. Complete with 4 voltage leads with alligator clips, three 1200A current clamps, 8 AA batteries, SD card, 100-240V AC adaptor and case.

  • 1200A 3-Phase Power Analyzer/Datalogger

    Extech 382100 - Extech Instruments Corporation

    The 382100 is a 3-Phase Power Analyzer/Datalogger that saves data (up to 30,000 sets of measurements) on an SD card in Excel format for easy transfer to your PC. It provides a full system analysis with up to 35 parameters including: V (phase-to-phase), V (phase-to-ground) - A (phase-to-ground), KW / KVA / KVAR / PF (phase), KW / KVA / KVAR / PF (system), KWH / KVAH / KVARH / PFH (system), and Phase Angle. Readings are displayed on a large, dot matrix, sun-readable, backlit LCD. Comes with three current clamps, four voltage leads with alligator clips, eight AA batteries, SD memory card, Universal AC adapter (100 to 240V), case, and user manual.

  • 3-Channel DC Voltage dataloggeD

    Extech SD910 - Extech Instruments Corporation

    Extech's SD910 allows technicians to easily monitor and record DC mV values from 3 external sensors, transducers, and other sources using one meter. It also stores the time and date of when readings are taken. The logger features a large triple LCD display and records data on an SD card in an Excel®-ready format for easy transfer to a PC for analysis, trending, and archiving. Complete with six AAA batteries, SD memory card, Univeral AC Adaptor with multi-plugs (US, EU, UK, AUS), 3 input connect sockets, and mounting bracket.

  • 3-Phase Power Analyzer/Datalogger - up to 30,000 Sets of Measurements

    Extech PQ3450 - Extech Instruments Corporation

    The PQ3450 is a 3-phase power analyzer/data logger capable of logging up to 30,000 sets of measurements in Excel format on a removable SD memory card. The product is easy-to-hold with a rugged over molded housing and features a built-in clock and calendar, 35 parameters and a CAT III 600V safety rating. Complete with a year warranty, 4 voltage leads with alligator clips, 8 AA batteries, SD card, 100-240 Volt AC adaptor and case. Clamp probes sold separately.

  • Differential Pressure Manometer (0.5psi)

    Extech HD755 - Extech Instruments Corporation

    Offering 11 selectable units of measure, the HD755 Differential Pressure Manometer can serve as a low range/high resolution Gauge or provide Differential Pressure up to 0 to 13.85 in. H2O (inches of water). Max/Min recording and Relative time stamp are useful features, as are HD755's Data Hold and Auto Power Off functions. The 0.5psi HD755 also features Zero function for offset correction or measurement and a built-in USB interface. Comes complete with 9V battery, software with USB cable, AC Adaptor, connection hose, built-in stand, and hard carrying case.

  • Differential Pressure Manometer (5psi)

    Extech HD750 - Extech Instruments Corporation

    Offering 11 selectable units of measure, the HD750 Differential Pressure Manometer can serve as a low range/high resolution Gauge or provide Differential Pressure up to 0 to 138.3 in. H2O (inches of water). Max/Min recording and Relative time stamp are useful features, as are HD750's Data Hold and Auto Power Off functions. The 5psi HD750 also features Zero function for offset correction or measurement and a built-in USB interface. Comes complete with 9V battery, software with USB cable, AC Adaptor, connection hose, built-in stand, and hard carrying case.

  • Differential Pressure Manometer (2psi)

    Extech HD700 - Extech Instruments Corporation

    Offering 11 selectable units of measure, the HD700 Differential Pressure Manometer can serve as a low range/high resolution Gauge or provide Differential Pressure up to 0 to 55.40 in. H2O (inches of water). Max/Min recording and Relative time stamp are useful features, as are HD700's Data Hold and Auto Power Off functions. The 2psi HD700 also features Zero function for offset correction or measurement and a built-in USB interface. Comes complete with 9V battery, software with USB cable, AC Adaptor, connection hose, built-in stand, and hard carrying case.

  • HeatWatch™ Humidity/Temperature Stopwatch - Digital UP/DOWN Timer Displays Temperature, Humidity, and Heat Index

    Extech HW30 - Extech Instruments Corporation

    This HW30 multi-function stopwatch displays a digital up/down timer, temperature, humidity and heat index. The heat index measurement shows how hot it feels when humidity is combined with the actual temperature. Ideal for use in hot weather conditions. Additional features include a 12/24-hour clock, stopwatch, 30 lap/split memory and programmable alarm. HW30 Humidity/Temperature HeatWatch comes with lanyard, battery, and operating instructions.

  • 3-Channel Pressure Datalogger

    Extech SD750 - Extech Instruments Corporation

    Extech's 3-Channel Pressure Data logger allows technicians to easily monitor and record pressure levels from three sources using one meter instead of three. Applications include pressure measurements from hydraulic, pneumatic, air compressor and process gas systems, as well as other industrial applications. Complete with six AAA batteries, 2G SD card, universal AC adaptor, 3 connectors, and mounting bracket.

  • Digital Manifold/Pressure Gauge

    Extech HD780 - Extech Instruments Corporation

    Extech’s Heavy duty Digital Manifold/Pressure Gauge simultaneously measures suction line or liquid line pressure and line temperature to calculate and display superheat and sub cooling for A/C units. It also has dual inputs measuring differential pressure (P1-P2) and Type K temperature (T1-T2). For use with R22 and R410A refrigerants. Included are heavy duty connection hoses, Type K Temperature Clamp probe, and bead wire Temperature probe.

  • Differential Pressure Manometer/Datalogger

    Extech SDL730 - Extech Instruments Corporation

    Measure and datalog high-range 101.5psi (7000mbar) pressure readings. Dual differential inputs with internal sensors. Manually store up to 99 readings, while SD memory card (included) allows continuous datalogging and readings can easily be exported to an Excel® format for further analysis.

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