7-in-1 Meter with Lab-Quality Performance Measures Conductivity, TDS, Salinity, Resistivity, pH, mV and Temperature Waterproof housing (meets IP57) Automatic one button pH calibration (4, 7, and 10pH) Choice of 3 point pH calibration for better accuracy One point Conductivity calibration…

The 9-in-1 DO700 Kit measures DO concentration/saturation, pH, mV, Temperature, Conductivity, TDS, Salinity, and Resistivity. It features automatic salinity compensation and manual barometric pressure compensation for DO measurements. In addition, it has automatic one button calibration of 4, 7 and…

Features: Direct reading of Total Chlorine provides fast and easy measurements (less than 2 minutes) Low detection limit down to 0.01ppm Wide dynamic range of measurement up to 10ppm (use dilution method for 10 to 50ppm) Unaffected by sample color or turbidity Automatic…

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…

Built in USB Port Includes Windows® compatible software 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 indicates change in light levels …

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…

Built-in Smart chip offers advanced functions and features to a stick style pH meter not found anywhere else RENEW feature that tells you when it's time to replace your pH electrode CAL feature that tells you when it's time to recalibrate your meter Flat Surface pH electrode that is…

Large LCD built into adjustable "flip-up" cover displays measurement and Temperature simultaneously Microprocessor based with splash proof housing and front panel tactile touch pad to slope and calibrate Rugged design for handheld or benchtop use; neckstrap for…

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 …

The CL500 incorporates an advanced optical system that uses a narrow band LED lamp to provide accurate and repeatable readings. Requires only a 10mL sample size. Meter comes with all the accessories to conveniently take measurements of both Free and Total Chlorine up to 3.50ppm. The method used is…

Flat surface electrode design 3ft (1m) extension cable with probe guard/weight attaches to the flat surface Concrete pH Meter for taking measurements on flat concrete surfaces Rust-resistant metal weight helps keep electrode in contact with the wet concrete surface Memory records and…

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…

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…

Leq and SEL measurements with built-in datalogger and PC interface Features: 4-digit multifunction LCD with analog bargraph Precise linearity over wide range (100dB) Display modes: SPL, SPL MIN/MAX, SEL, and Leq Programmable integrating time A and C Frequency weighting …

Measures Humidity, Temperature, Air Velocity, Light and Sound Rugged 5-in-1 environmental meter with tripod mount and RS-232 PC interface Large dual LCD simultaneous display of Temperature and Air Velocity or Relative Humidity Characters on display reverse direction depending on…

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 …

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…

Features: 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 light sensor with 47" (1.2m)…

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…

Displays in RPM, m/min, and ft/min Tactile keypad for easy programming Hysteresis value setting for control and alarm functions Roller diameter value setting for surface speed measurement User settable pulse per rotation value Large 0.5" 4-digit LED display DIN size…

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

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…

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 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…

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

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…

Large 5 digit LCD display is easy to read Built-in memory recalls last MAX/MIN value stored Autoranging with 0.05% accuracy Non-contact measurements from 5 to 99,999rpm Use reflective marker on object to be measured and point the integral light beam or accurate readings updated every second…

Waterproof meter with high-accuracy multi-ranging sensor Units of measure include µS/cm, mS/cm, ppm, ppt Adjustable Conductivity to TDS ratio factor from 0.4 to 1.0 — conveniently calculates the TDS value Large 3-1/2 digit (2000 count) LCD display Data Hold and low…

Large LCD displays pH or mV and Temperature simultaneously Microprocessor provides for Automatic Buffer recognition Memory stores 25 readings Automatic Temperature Compensation Unit is completely waterproof when electrode is connected to the meter Low Battery indicator and Auto Power…

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…

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…

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…