pH Indicators

Test & Measuring Instruments

Water Quality Meter uses Android app.

April 27, 2015

With SAM-1 App, SAM-1™ Smart Aqua Meter transforms Android smartphones or tablets into pH, ORP, or Conductivity/TDS meters with integral temperature measurement. Unit plugs into headphone jack of device and connects to Sensorex smart analytical sensors. Instantly recognizing smart sensor, app provides interface for measurements and managing data. Readings can be tagged with GPS location and user comments. Stored data can be transmitted via email and opened in Excel for analysis and reporting. Read More

Test & Measuring Instruments

Water Tester simplifies chlorine demand measurement.

March 16, 2015

Measuring amount of chlorine consumed by ammonia, iron, manganese, and other organic materials, CD-2000 provides advanced information such as Chlorine Demand in raw water. Corresponding amount of chlorine is added to achieve clean water with consistent level of residual chlorine. Suited for daily control and research purposes, instrument can measure chlorine demand in diverse water types and provide measurement without interference from turbidity or color of water. Read More

Test & Measuring Instruments, Electronic Components & Devices

Concrete pH Kit facilitates on-the-spot measurements.

August 5, 2014

With its flat surface electrode design, EXSTIK Concrete pH Kit accelerates and facilitates on-the-spot pH measurements on concrete. Components include 1M extension cable with weighted probe guard; flat surface concrete pH electrode; protective sensor cap; plastic bottle; batteries; plastic stand; sample cup with cap; neck strap, and carrying case. While able to simultaneously display pH and temperature with ATC, kit can also store 25 sequentially tagged readings for detecting changes.
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Test & Measuring Instruments

Waterproof Palm pH Meter has ruggedized, handheld design.

July 30, 2014

Available with choice of stick or cabled pH electrode, Waterproof Palm pH Meter is designed for accelerated response measurement. Microprocessor offers automatic buffer recognition, and memory stores 25 readings. Along with simultaneous display of pH or mV and temperature on LCD, features include automatic temperature compensation, ruggedized design with handheld form factor, and wall mounting option. When electrode is connected to meter, unit is also waterproof. Read More

Test & Measuring Instruments

pH Meter utilizes digital electrodes.

January 7, 2014

Weighing less than 9 oz and measuring ½ in., Hanna Edge Meter uses digital electrodes to measure pH, conductivity, and dissolved oxygen. CAL-CHECK® and Sensor Check functions warn user if electrodes are not clean, pH bulb is cracked, or junction of electrode is compromised. Instrument includes two USB ports, 5.5 in. LCD, capacitive touch buttons, benchtop cradle, and electrode holder. Read More

Test & Measuring Instruments

pH Meter Accessory operates with iPhone® or iPod®.

June 26, 2012

With Model PH-1 Meter Application Accessory, users can measure pH and email critical readings. After plugging accessory into iPhone or iPod and downloading application, users connect module to sensor and application provides real-time display of pH, mV, ambient temperature, and solution temperature. Accessory eliminates mistakes when recording readings and works with location-aware devices to log coordinates where readings were taken for analysis and auditing. Read More

Test & Measuring Instruments

Pocket pH Meters utilize non-glass silicon chip sensor.

January 26, 2012

Providing stable readings in seconds, miniLab Pocket pH Meters use ISFET sensor technology that contains several proprietary layers deposited selectively on silicon substrate. Quantity of hydrogen ions at or near sensor surface causes electrical effect that is detected and measured as pH. Featuring IP67-rated waterproof design, meters excel in environmental studies and academic teaching labs as well as food/beverage, medical, pharmaceutical, agricultural, and petrochemical applications. Read More

Test & Measuring Instruments

All-in-One pH/ORP Tester provides ±0.02 pH unit accuracy.

September 21, 2011

Waterproof to IP67 specifications, pH/ORP TesTrode can be calibrated with 1, 2, or 3 pH buffers that are automatically recognized. Users can see pH or ORP simultaneously with °F or °C temperature, as well as date, time, and other measurement details. Featuring backlit design, display can be read at night or in low-light conditions. Capable of storing 25 measurements, tester enables recall of data for critical record-keeping requirements. Read More

Test & Measuring Instruments

Benchtop Meters feature compact design with oversized display.

July 28, 2011

Measuring 6 x 7 in. with oversized 3¼ x 2 7/16 in. LCD, 2700 Series switches from pH to mV ion readings with press of button. Built-in memory function stores up to 100 pH, mV, relative mV, or concentration readings with corresponding temperature. Designed with water-resistant membrane keypad and password protection, meters include auto-buffer recognition for USA and NIST pH buffer sets, automatic or manual temperature compensation, and display hold. Read More

Test & Measuring Instruments

Water Quality Testers have portable, handheld design.

January 20, 2011

Oakton pH 6+ Meters feature up to 5-point, pushbutton calibration with autobuffer recognition and display of pH or mV and temperature, while Ion 6+ Meters offer direct readout of ion concentration with preprogrammed calibration points. CON 6+, TDS 6+, and SALT 6+ Meters supply autoranging conductivity or TDS with temperature measurements, and DO 6+ Meters have galvanic probe that does not require any warm-up time. All meters include rubber boot with built-in stand. Read More

Test & Measuring Instruments

Benchtop Meters suit research applications.

September 22, 2010

Equipped with oversized backlit display and dynamic stability indicator, Oakton® 2700 series includes models for measurement of ion concentration, conductivity/TDS, pH/conductivity/TDS, and dissolved oxygen. All calibration and stored data is stamped with time and date, meeting GLP requirements, and nonvolatile memory stores and recalls up to 500 sets of data. In addition to limit alarm, users can program data logging intervals for continuous monitoring. Read More

Test & Measuring Instruments

Benchtop pH Meter is usable in field or in lab.

January 29, 2009

PHB21 benchtop meters feature automatic resolution selection, automatic electrode check, and maximum/minimum audible alarm. CE compliant product handles 99 point data logging and has NEMA 4 rated enclosure. Displayed readings can be continuous, held, or logged to memory. Package includes glass electrode, calibration buffers, 9 Vdc battery, operator's manual, and carrying case. Read More

Test & Measuring Instruments, Sensors, Monitors & Transducers

Multiparameter Testers fit in a pocket.

March 24, 2008

Suited for water, wastewater, laboratory, and plant use, OAKTON waterproof multiparameter Testr(TM) 35-Series meters measure pH, conductivity, TDS, salinity, and temperature. Units have long-life pH electrodes and stainless steel conductivity sensors for wide range of sample compatibility. Adjustable temperature coefficient feature helps measure conductivity or TDS accurately at varying temperatures, while Auto-ranging feature handles applications across broad measurement ranges. Read More

Test & Measuring Instruments, Sensors, Monitors & Transducers, Laboratory and Research Supplies & Equipment

Smart Cuvettes measure pH and pO<sub>2</sub>.

October 17, 2007

Embedded in wall of standard 1 cm cuvette, pHuvette is optical pH sensor that traps bromcresol green pH indicator ions in hydrophilic sol-gel cage, and can be used with any spectrophotometer to provide accurate stable measurements of pH of fluid contained in cuvette. Including embedded oxygen sensor, pHoxyvette smart cuvette detects O2 by using phase fluorimetry to measure fluorescence quenching, while pHoxyvette cuvette comes with both pH and pO2 sensors. Read More

Test & Measuring Instruments

Handheld pH Meters feature -2.00 to 19.99 pH range.

September 8, 2006

IP67-rated Oakton® 600 Series waterproof meters feature accuracies to ±0.002 pH and are expandable to 0.001 resolution. Units store up to 500 data sets through automatic, manual, or timed collection. Calibration abilities include up to 6 calibration points, user-settable calibration-due alarm, and up to 15 buffer options with auto buffer recognition of USA, NIST, DIN, and PWB standards. Infrared IrDA wireless technology enables printing and PC downloading. Read More

Test & Measuring Instruments

Portable pH Meter is suited for students.

March 9, 2005

Model CD80 battery powered pH Meter offers large, uncluttered digital display and pushbutton controls. Protective rubber boot shields it from accidental knocks and built-in stand is provided for bench-top operation. Suited for environmental and educational applications, meter is supplied with pH electrode, temperature probe, and buffer solutions. Read More

Test & Measuring Instruments, Sensors, Monitors & Transducers

Meter indicates both pH and conductivity.

February 23, 2005

Model CCMD510 includes k=10 conductivity cell, pH combination electrode, integral electrode stand, and selection of calibration sachets. Electrode has built-in ATC designed for minimal air bubble entrapment during measurement. Meter offers programmable functions such as stability, electrode diagnosis, and auto buffer recognition. Read More

Test & Measuring Instruments

Tester measures pH, conductivity, TDS, and temperature.

October 28, 2004

Waterproof, digital tester models HI98129 and HI98130 are designed for pH, EC/TDS, and temperature measurement with respective accuracies of ±0.05, ±2% FS, and ±1°F. Featuring automatic temperature compensation, units offer selectable EC/TDS conversion factor and temperature compensation coefficient. Elements of construction include dual-level LCD and replaceable pH electrode cartridge with cloth removable junction and EC/TDS graphite electrode. Read More

Test & Measuring Instruments

Digital pH Meter covers 0-14 pH range.

March 3, 2004

Hand-held, pH stick meter, Model 8514 features .375 in. LCD display with hold function to retain readings. Probe mounts directly into LCD meter to form single unit. Meter is supplied with epoxy combination electrode and slope control feature to compensate for aging of electrode. It offers ±0.01 pH readability and accuracy, with manual temperature compensation from 0-60°C. Read More

Test & Measuring Instruments

Handheld pH Meter offers choice of stick or cabled electrode.

October 10, 2003

Model PH220 Waterproof Palm pH Meter features large LCD, which simultaneously displays pH and temperature or mV and temperature. It includes automatic buffer recognition, automatic temperature compensation, low-battery indicator, and auto power off. Meter can be mounted via magnetic back or eyelet on top. Protective rubber holster, stick or cable pH electrode, pH 4 and pH 7 buffers, and 9 V battery are provided. Read More