Extech Instruments & Test Equipment at Extech Store Browse Catalog [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] ... Extech 380399 High Voltage Resistance Checker Quickly checks the performance of multimeters and other resistance measuring meters Extech 42529 IR Thermometer with Laser Pointer Handheld non-contact thermometer measures up to 600F (320C)   Extech 380379 High Voltage Test Leads Extech 407730 Sound Level Meter, Digital Display Analog bargraph with 50 dB range updates every 40 ms Extech RF15 0-32% Brix Refractometer (RF-15, RF 15) Sucrose brix refractometer measures the concentration of sugar in fruit juice and industrial fluids; features automatic temperature compensation Extech RF20 Salinity Refractometer (RF-20, RF 20) Salinity refractometer measure the concentration of dissolved salt in water; features automatic temperature compensation Extech RF40 Battery Coolant Refractometer (RF-40, RF 40) Measure the % of Ethylene Glycol and Propylene Glycol Extech EX-430 True RMS Autoranging MultiMeter (EX430, EX 430) True RMS autoranging MultiMeter with Capacitance, Frequency, and Duty Cycle functions Extech EC400 Waterproof ExStik® Conductivity / TDS / Salinity Meter (EC-400, EC 400) One high accuracy multi-range sensor measures four parameters (Conductivity, TDS, Salinity, and Temperature) Extech 850186 RTD Surface Temperature Probe for 421707 Stainless steel Surface probe Extech 850187 Temperature Probe RTD General Purpose Probe w/DIN plug, -200 to 500C Extech 850189 Temperature Probe RTD Air Type for 421707 Stainless steel Air probe, -200 to 400C Extech RH300 Digital Psychrometer (RH-300, RH 300) Humidity, Wet bulb, Dew Point, Air Temperature plus External Probe Temperature measurements Extech MO210 Pocket Wood / Building Material Moisture Meter (MO-210, MO 210) Monitor moisture in wood and other building materials Extech EX503 Industrial Multimeter (EX-503, EX 503) Extech IR200 Non-Contact Forehead IR Thermometer (IR-200, IR 200) Ideal for Quickly Detecting Elevated Body Temperature Extech MA-220 400A AC/DC Clamp Meter (MA220, MA 220) High accuracy for current measurements Extech RE300 ExStik ORP Meter (RE-300, RE 300) First ORP stick style meter with rugged flat surface OPR electrode, high resolution of 1mV Extech 42270 Temperature and Humidity Datalogger Additional Datalogger for 42275, compact, powerful and easy to use - records up to 16,000 readings   Extech SL123 AC Alarm Relay Module 9 foot cable (3m) (SL-123, SL 123) Remote alarm relay AC module for SL120   Extech SL124 DC Alarm Relay Module 9 foot cable (3m) (SL-124, SL 124) Remote alarm relay DC module for SL120   Extech 407703A Sound Level Meter (407703-A, 407703 A)   Extech 407764-EXT 15' Microphone Extension Cable for 407764 (407764EXT, 407764 EXT) Extech 412440-S Calibrator Current Loop Checker Series Spade LU (412440S, 412440 S) Easy to use pocket checker for simulating Current Loops Extech CL205 ExStik Chlorine Electrode (CL-205, CL 205) Replacement Flat Surface Chlorine Electrode Module Extech PH110 EXSTIK PH WATERPROOF / REFILLABLE (PH-110, PH 110) Unique pH stick meter with rugged refillable flat surface pH electrode Extech 45118 Mini Thermo-Anemometer Waterproof pocket size with Air Velocity, Temperature and Windchill Extech 380400 Resistance Substitution Box Wide range Decade boxes for product design or calibration checks Extech 45320 Hygro-Thermometer Remote or integral probe plus large dual display with backlighting Extech 38394 Clamp Meter Mini 600A AC/DC Compact size clamp with Frequency Extech 445582 Humidity Pen with Calibration Bottles Compact, Digital Hygro-Thermometer, ideal for field use - includes calibration standards   Extech 461957 Sensor Photoelectric with 6' Cable Extech 461900 Non-contact Photo Tachometer Adaptor Measure from 100 to 19990rpm Extech EX-450 MultiMeter with IR Laser Thermometer, 400 Series (EX450, EX 450) Combination Autoranging multimeter with IR Thermometer, True RMS Extech EA10 EasyViewT Type K Dual Input Thermometer with Dual readings (EA-10, EA 10) Big backlit display with relative and elapsed time indication Extech 480823 EMF / ELF Meter Measure electromagnetic field radiation levels from fans, electrical appliances, wiring, and power lines Extech EX-720 800A True RMSAC Clamp Meter (EX720, EX 720) Functions include Capacitance and Temperature Extech EZ40, EzFlex Combustible Gas Detector (EZ-40, EZ 40) Quickly Identifies and Pinpoints Gas Leaks Extech EX505 True RMS Industrial Multimeter (EX-505, EX 505) Extech RF18 Portable Brix Refractometer 0-18% (RF-18, RF 18) Measures from 0 to 18% Brix in Lubricants and Cutting fluids Extech TK430, ELECTRICAL TEST KIT (TK-430, TK 430) Extech AM300 300A AC Analog Clamp Meter (AM-300, AM 300) Rotary Scale with Pointer Lock Extech 380224 Multimeter Heavy Duty Phase Indicator / Temp 3-phase sequence indicator plus MultiMeter with Frequency, Capacitance, and Temperature functions Extech EC410 ExStik II Conductivity Kit (EC-410, EC 410) Waterproof meter with one high accuracy multi-range sensor that measures four parameters Extech 403125 Light Meter Probemeter Series Wide range with high 0.01Fc resolution and analog output Extech 403360 Insulation Tester Probemeter Series 1000V digital tester with large backlit display Extech 421502 Type J/K, Dual Input Thermometer with Alarm Dual J or K input with dual display, relative and programmable High/Low audible alarms Extech 380405 Capacitance Substitution Box Wide range Decade boxes for product design or calibration checks Extech 38389 Clamp Meter 600A AC/DC with Temp Autoranging with Capacitance and Temperature functions Extech 380905 Adaptor Clamp-on DMM 2000A AC/DC Clamp-on Adaptor with AC/DC Current measurements Browse Catalog [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] E-commerce powered by MonsterCommerce shopping cart.