Measures ORP from -999 to 999mV Automatic electronic self calibration Simulated analog bar graph displays change in ORP reading Memory stores and recalls 15 readings and saves last calibrated value Data validation indicators show user the reading is stabilized Large 3-1/2 digit (2000…

Freeze motion and analyze rotating objects without contact Measure moving gears, fans, pumps, motors and other equipment Checks and analyzes motion and speed by simply aiming and synchronizing it's flash rate (FPM) with a rotating object Read RPMs on 4 digit LED display Duty cycles from 5 to 30…

The TB400 includes all the accessories needed to conveniently test the turbidity of municipal water, including food processing and beverage manufacturing, and other applications in which fluid clarity is vital. Microprocessor-based circuitry assures high accuracy and repeatable readings. Requires…

Measures 5 parameters including Conductivity, TDS, Salinity, pH, and Temperature using one electrode 9 units of measure: pH, µS/cm, mS/cm, ppm, ppt, mg/L, g/L, °C, °F Analog bargraph indicates trends Memory stores up to 25 labeled readings Adjustable Conductivity to TDS ratio from 0.4…

Specifically designed for the quick and accurate measurement of fluoride ions in drinking water and other aqueous samples, the ExStik FL700 incorporates a sensing electrode, measuring electronics, and display in one convenient package, making this unit ideal for field or laboratory testing. The…

Built-in laser allows non-contact measurements up to 6.5 feet from target User settable pulse per rotation value Narrow beam Laser photo tachometer for accurate non-contact RPM measurements Measurements from up to 6.5ft from the target for improved safety and accessibility Display characters…

Three models to choose from: HD700 (±2psi range) HD750 (±5psi range) HD755 (±0.5psi range) 11 selectable units of measure Max/Min/Avg recording and Relative time stamp Data Hold and Auto power off functions Large LCD display with backlighting Zero function for offset correction or…

Measures dissolved oxygen from 0 to 20.0mg/L and 0 to 100.0% oxygen plus temperature from 32 to 122°F (0 to 50°C) Automatic Temperature Compensation from 0 to 50°C via temperature probe sensor built into polarographic type oxygen probe Offset adjustment used for zero function to make…

Oxygen level displayed as % Saturation or Concentration (mg/L [ppm]) Adjustable Altitude Compensation (0-20,000ft in 1,000ft increments) Adjustable Salinity Compensation from 0 to 50ppt Analog bargraph indicates trrends Memory stores up to 25 data sets with DO and Temperature reading …

Includes CL200 meter, pH and ORP electrodes, reagent tablets, 4 plastic cups, weighted stand, pH buffer pouches, batteries and carrying case 4-in-1 Water Quality Meter measures Chlorine, pH, ORP plus Temperature with interchangeable flat surface electrodes (included) Flat surface electrodes…

Waterproof meter with high-accuracy multi-ranging sensor Measure Salinity in aquaculture, environmental studies, ground water, Koi ponds, irrigation, drinking water, and other applications Autoranging with 2 ranges of measurement Built-in NaCl Conductivity to TDS conversion factor …

Provides Noise Surveys for Compliance with OSHA, MSHA, DOD, ACGIH and ISO Standards For employees that are exposed to loud noise, sound level monitoring is essential to determine what protective measures are required. Perform OSHA and IEC Noise accumulation surveys to determine total sound…

Quickly measure RPM, surface speed and length with one tool Large 5 digit backlit LCD display Microprocessor based with quartz crystal oscillator to maintain high accuracy Store/recall 10 data sets in memory with 4 parameters (measurement, max, min and average) Wide RPM (photo and…

Built-in IR thermometer with laser measures remote surface temperature on motors and rotating parts Wide Temperature range of -4 to 600°F (-20 to 315°C) Fixed 0.95 emissivity, 6:1 distance to target ratio Provides wide RPM (photo and contact) and Linear Surface Speed (contact) measurements …

Perform OSHA and IEC Noise accumulation surveys Adjustable Criterion Level, Exchange Rate, and Threshold Applications include Personal accumulated noise exposure measurement, Workplace noise assessment, OSHA and other regulatory agency compliances Datalogs up to 4500dB readings when used as a…

407790A is a Real Time Octave Band Analyzer. Extech’s Type 2 Integrating Sound Level Meter with Octave and 1/3 Octave Band Real Time is displayed on a large 3.5" 320x240 TFT color backlit LCD. Wide 100dB range of 30 to 130dB. Stores readings on microSD card. Complete with Windows…

Large 5 digit LCD display is easy to read Built-in memory recalls last MAX/MIN value stored Autoranging with 0.05% accuracy Contact measurements from 0.5 to 19,999rpm plus linear surface speed measures in ft/min or m/min Simply contact rotating object with sensor tip and read Accessory…

Includes EC500 pH/Conductivity meter with combination high accuracy multi-ranging Conductivity sensor for Conductivity, TDS, Salinity, pH and Temperature measurements Includes DO600 Dissolved Oxygen meter with electrode, replacement membrane cap, electrolyte, and polishing paper Complete with…

Measures Volatile Organic Compounds and CH2O/HCHO Concentrations in Real Time The VFM200 measures VOC (Volatile Organic Compound) and Formaldehyde concentrations in real-time. Fast response time, compact, easy-to-carry, and excellent for checking the indoor air quality of homes, offices,…

The SL130W is a Sound Level Alert with Alarm. Continuously monitor sound levels throughout the day using the Extech SL130W Sound Level Alert. Bright LEDs (red flashing or green) alert user when sound level is too high or too low - LEDs can be read from 30m (100ft). Wall, desk or tripod mount with…

Make non-contact RPM measurements of rotating objects Use reflective tape on object to be measured and point the integral laser Memory button holds last reading and recalls min/max readings Counter function counts up to 99,999 revolutions Easy to read large 5 digit LCD display Rugged…

The 409996 is a Medium Carrying Case for Extech Meters. Store your Extech test instruments and accessories in a protective soft vinyl carrying case. Protects from dirt or debris. Available with a 6 month warranty.

Automatically stores up to 16,000 readings or manually store/recall up to 99 readings Wide range to 40,000Fc or 400,000 Lux Cosine and color corrected measurements Utilizes precision silicon photo diode and spectral response filter Peak mode (10µS) captures highest reading Relative mode…

Laser Light Source used for greater accuracy and longer measuring distance Extech's 461920 is a tachometer for RPM measurements. Make safe, non-contact RPM measurements (2 to 99,999 RPM) of rotating objects by pointing the integral laser (1.6-ft. target distance) at the reflective tape…

Unique display where characters reverse direction depending on measurement mode you are in Large 0.4" 5 digit LCD digital display Microprocessor based with quartz crystal oscillator to maintain high accuracy Tachometer memory stores last, max and min readings Performs Tachometer RPM…

3-in-1 Meter with Lab-Quality Performance This pH/Temperature Kit measures pH, mV, and temperature at your workbench or in the field. It has automatic one button calibration of 4, 7 and 10 pH with a choice of three point calibration for better accuracy and automatic temperature compensation.…

Exclusive Oyster design can be used in the lab or in the field. Large LCD built into adjustable "flip up" cover displays pH or mV and Temperature simultaneously. Stores/recalls 25 labeled readings. Auto or manual Temperature compensation. 5 point buffer recognition. Includes meter, neck…

Measure RPMs from 5 to 99,990rpm with microprocessor quartz crystal accuracy of 0.05% + 1digit Resolution from 0.1rpm (5 to 1000rpm) to 1rpm (1000 to 9999rpm) to 10rpm (10,000rpm to 99,990rpm) Large 4 digit LED display updates once per second (rpm greater than 60) Unique design permits RPM…

Large easy to read (99,999 count) LCD display Autoranging with 0.1% basic accuracy Hold button freezes displayed reading Ergonomically designed and pocket sized housing with protective finger guard Easy to operate by simply contacting the rotating object with the sensor tip and read …

The Extech Spare Reflective Tape is designed for use with non-contact Photo Tachometers, making it easier to measure the speed of rotating objects. Includes: 10 reflective tape strips

PH90 is a Waterproof ph Meter. Featuring a rugged, waterproof (IP57) housing with Flat Surface Electrode for measuring pH in liquids, semi-solids, and solids and also displays temperature on the large LCD. The electrode does not break or get junctions clogged like the traditional glass bulb probes.…

Features: Applications: Large 3-1/2 digit (1999 count) LCD with over-range indication Two ranges: 200.0 (0.1Fc) and 2000 (1Fc) 5% basic accuracy Precision color-corrected, photo-diode sensor Battery operated with low battery indication Complete with 9V battery, remote…