Oakton Instruments

WD-35801-80 Flushable, Double-junction, Epoxy-body, Refillable pH Electrode (Use with pH 10, pH 100, pH 500, pH 1000, pH 2500 meters) by Oakton

Built-in temperature sensor lets you take ATC readings with a single probe

All-in-One electrodes feature a built-in temperature sensor for taking readings with Automatic Temperature Compensation (ATC). Choose a single junction electrode for field, clean water, and general purpose applications. Choose a double junction electrode for most applications, including dirty water, heavy metals and organics applications.

Each electrode is 12 mm dia with a 3 ft cable (except submersible electrode, which is 25 mm dia with a 10 ft cable). We offer other All-in-One electrodes

• Each 12 mm electrode includes a FREE electrode saver bottle to extend electrode life
• Feature a BNC connector for pH and a mini phono plug connector for temperature

WD-35418-13 pH 610 Portable Waterproof pH Meter, with NIST Traceable Certificate of Calibration by Oakton

Expanded range, resolution and accuracy, increased memory, and advanced communications

These waterproof handheld meters feature a 2.00 to 19.99 pH range expandable to 0.001 pH resolution. Combined with accuracies up to ±0.002 pH, these meters provide a new benchmark in our pH meter line.

Store up to 500 data sets in the meters memory. Time-and-date-stamping meets Good Laboratory Practice (GLP) standards.

The pH 600 meters offer the latest in calibration capabilities including up to 6 calibration points, a user-settable calibration due alarm, and up to 15 buffer options with auto buffer recognition of USA, NIST, DIN, and PWB standards.

The infrared IrDA wireless technology makes PC downloading more convenient and easier. Dual power up allows you to use batteries while out in the field or the optional AC power adapter while in the lab.

As always, our waterproof meters are IP67-rated for both dust and water intrusion. Even with no probes attached!

• No more excuses for missing data! Out-of-date or unperformed calibrations are now things of the past!

WD-35418-23 pH 620 Portable Waterproof pH Meter, with NIST Traceable Certificate of Calibration by Oakton

Expanded range, resolution and accuracy, increased memory, and advanced communications

These waterproof handheld meters feature a 2.00 to 19.99 pH range expandable to 0.001 pH resolution. Combined with accuracies up to ±0.002 pH, these meters provide a new benchmark in our pH meter line.

Store up to 500 data sets in the meters memory. Time-and-date-stamping meets Good Laboratory Practice (GLP) standards.

The pH 600 meters offer the latest in calibration capabilities including up to 6 calibration points, a user-settable calibration due alarm, and up to 15 buffer options with auto buffer recognition of USA, NIST, DIN, and PWB standards.

The infrared IrDA wireless technology makes PC downloading more convenient and easier. Dual power up allows you to use batteries while out in the field or the optional AC power adapter while in the lab.

As always, our waterproof meters are IP67-rated for both dust and water intrusion. Even with no probes attached!

• No more excuses for missing data! Out-of-date or unperformed calibrations are now things of the past!

WD-37250-10 Two-Speed Spring Wound Hygrothermograph by Oakton

Spring wound- no batteries required!

Made of corrosion- resistant acrylic for indoor or sheltered outdoor use. Spring winding keeps chart running for eight days. Even when the motor begins to run down, a steady chart speed is maintained. Includes one 1-day gear and one 7-day gear, two felt-tipped pens (red and blue), and one 7-day rotation chart.

• Includes gear for 1 day rotation, gear for 7 day rotation, red felt-tipped pen, blue felt-tipped pen, roll of 7-day paper, C battery (1)
• Record temperature and humidity on 1 or 7 day rotation

WD-35700-20 Large Dial Wall Mount Thermo-Hygrometer by Digi-Sense

Huge 10" diameter display is easy to read from a distance

This large dial thermohygrometer features an attractive plastic case and blue and white dial design to make it a decorative and functional addition to the lab or office.

• Monitor humidity and temperature
• Dual °F/°C display
• Requires no batteries or power!

WD-35411-00 CON 700 Meter with Probe & Stand by Oakton

An affordable way to take consistent, accurate conductivity measurements in your laboratory!

CON 700 meter reads 0 to 199.9 mS across five ranges autoranging feature automatically gives the best resolution for your measurements. Calibrate at up to five conductivity points (one per range) for improved measurement accuracy. Adjustable temperature coefficient provides additional accuracy. Cell constant is selectable for very high or low range measurements - meter is flexible to your application. Selectable manual or automatic temperature compensation gives greater precision.

Meter is encased in a compact 6-1/8" L x 6-7/8" W x 2-3/4" housing which takes up a minimum of bench space. Water-resistant membrane keypad and convenient pullout reference guide provide useful features for the lab. Large dual display shows conductivity or TDS and temperature and has a ready indicator and HOLD function.

• Compact size frees up bench space
• Large brightly lit display allows for easy reading of measured values
• Easily toggle between conductivity and TDS at the touch of a button!

WD-35416-00 DO 2700 Benchtop Meter with Probe by Oakton

Designed for optimal performance and versatility at an affordable price!

DO 2700 meter measures dissolved oxygen in mg/L, ppm, or % saturation with simultaneous temperature display in °F or °C. Independent 100% and 0% calibration points provide accuracy over the entire range. Measurement accuracy can be increased by manual barometric pressure and salinity compensation meter automatically calculates offset. Built-in automatic temperature compensation (ATC) provides greater precision by correcting for temperature variations.

Meter is encased in a compact housing which takes up minimal bench space nearly 40% less space than comparable meters. Water-resistant membrane keypad and convenient pullout reference guide provide useful features for the lab.

• Brilliant backlit display with dynamic stability indication
• Up to 500 point memory with date-time stamp for GLP
• Output data to PC
• Meter includes self-stirring probe that is ideal for BOD and other DO applications in the laboratory

WD-35820-60 Industrial Conductivity Cell, 25 ft Cable, Epoxy Body, Graphite Sensor, K=0.1. Requires Threaded Housing; Order Separately (Use with CON 100, CON 200, CON 1000, and RES 1000 controllers) by Oakton

Feature built-in temperature compensation

• Designed for continuous in-line monitoring
• Feature stripped ends for easy wiring

Choose from three different cell constants:

• K = 1.0 for midrange conductivity measurements.
• K = 10.0 for high conductivity measurements (near or above 20 mS)
• K = 0.1 for low conductivity measurements (near or below 20 µS)
• K = 0.01 for resistivity measurements (at or below 2 µS)

Install these rugged cells in a pipeline, or submerse in a tank.

Dimensions: 142 mm L x 12 mm dia. Shpg wt 0.5 lb.

WD-35432-03 PD 650 Portable Waterproof pH/Dissolved Oxygen Meter, with NIST Traceable Certificate of Calibration by Oakton

Ideal for wastewater and aquaculture!

• Durable waterproof and dustproof design with IP67 rating Even with no probes attached
• Push-button calibration for all parameters 6 points each for pH and conductivity; 3 points for DO
• Large backlit graphic display Multiline display with electrode status indicator, calibration data, and more
• User-settable calibration due alarm Out-of-date or unperformed calibrations are now things of the past!
• Built-in real-time clock Time-and-date stamping meets Good Laboratory Practice (GLP) standards
• Store up to 500 data sets Infrared IrDA wireless technology makes PC downloading convenient and easy
• Set point alarms Audible warning when readings are outside set points limit
• Research-grade accuracy Resolution to 0.001 pH and accuracy to ±0.002 pH
• Electrode status indicator Calibration data provides electrode diagnostic tool
• Password protection Security for calibration and setup menus
• Rugged rubber boot Protects meter from impact (optional; included with kit)

WD-03313-70 Wall Mount Thermo-Hygrometer with Glass Thermometer by Digi-Sense

This compact instrument requires no batteries or power

Use this economical thermohygrometer for relative humidity and temperature readings in your lab, office, or computer room. It s small size makes it ideal for areas with limited space.

• Monitor humidity and temperature
• Features alcohol-filled thermometer with °F/°C temperature scales

WD-35434-03 PCD 650 Portable Waterproof pH / Conductivity / Dissolved Oxygen Meter, with NIST Traceable Certificate of Calibration by Oakton

Simultaneously measure and display pH, Conductivity and Dissolved Oxygen

These top-of the-line waterproof meters offer features that are typically found on much more expensive models. The IP67-rated housing allows use in dirty and wet environments without harm to the meter. Datalog up to 500 points either automatically, manually, or at timed intervals. User-selectable calibration due alarms, automatic or manual standards recognition, and single or multiple calibration points provide flexibility in meeting your data quality objectives. Infrared (IrDA) wireless technology lets you easily download data no need for additional cords. The large backlit LCD shows the measured value, measured units, temperature, time, battery life, and menu options.

As always, our waterproof meters are IP67-rated for both dust and water intrusion. Even with no probes attached!

• Expanded range, resolution, and accuracy, plus increased memory and advanced communications!
• Ideal for use in dirty and wet environments

WD-35434-90 Multi-probe flowblock for use with Oakton 650-series meters by Oakton

The Oakton multi-probe flowblock can be used directly in-line with most ground water pump systems. The flowblock is designed for minimal sample volume (less than 40 mL with probes installed) to virtually eliminate the need to stir the sample. Solid acrylic block stands up to field conditions. Compression fittings around probes provide a leak-proof setup. Includes 3/16" and 1/4" quick-connect barb fittings.

• Measure several parameters from the same sample source at the same time
• Sensors are positioned directly in the sample stream
• Designed to work with one Oakton conductivity probe, up to two standard 12-mm diameter pH, ORP, or ion-selective electrodes (one plug included), and one Oakton dissolved oxygen probe
• Compatible with flow rates from 100 mL/min up to 1 gal/min
• Includes quick-connect barb fittings for easy tubing connection and cleaning

WD-03316-70 Aneroid Barometer, inches mercury by Oakton

Our high-quality barometers are ideal for measuring impending weather changes

These barometers accurately measure atmospheric pressure from sea level up to 2000 feet. They also simultaneously monitor temperature with a built-in glass thermometer. Bimetallic temperature compensation preserves pressure reading accuracy at any temperature. They feature an attractive brass case and include a bezel for easy bulk-head mounting.

• Bimetal element provides temperature compensation for aneroid capsule
• Needs no batteries or external power
• Choose from mbar/mm Hg or mbar/inches Hg models

WD-35613-54 ppH 5+ Meter Kit with "All-in-one" pH Electrode, pH Buffer Solutions, Sample Bottles, Rubber Boot, Batteries, and Carrying Case by Oakton

High ±0.01 pH accuracy at economical prices

The microprocessor-based pH 5+ meter is OAKTON s most economical portable pH meter, yet it gives you the same high accuracy and reliability of our other portable meters! Use this meter to take routine pH and temperature measurements. Meter includes a protective rubber boot that also acts as a meter stand.

• Includes pH 5+ Portable pH Meter with an "All-in-one" pH electrode, pH buffer solutions, sample bottles, rubber boot, batteries, and carrying case
• Reads pH and temperature
• Automatic Temperature Compensation (ATC)
• All push button operation
• Three-point pH calibration
• Auto buffer recognition
• Hold function; Auto-off
• Use with most pH electrodes with BNC connectors

WD-05942-24 pH 4.01 Calibration Buffer Solution 4 Liter Bottle by Oakton

Choose from economical solution bottles or individually sealed pH buffer pouches.

All Oakton pH buffer solutions are freshness dated, and standardized against NIST-traceable references to ensure quality. ±0.01 pH at 25°C.

OAKTON pH buffer solution bottles are labeled with the name and CAS number for all ingredients (for Right-to-Know requirements), and are supplied with an MSDS (Material Safety Data Sheet).

OAKTON pouches are convenient, air-tight pouches with high-precision calibration standards. Ideal for field use-take them to your test site for on-the-spot calibration. Each box contains twenty 20 mL pouches. Dimensions: 4.5"L x 5"W x 4.5"H (box). Shpg wt 1 lb per box.

• NIST traceable materials
• Labeled with pH vs temperature tables for accurate calibration