$500 - $750, Oakton Instruments

WD-35604-44 SALT 6+ Handheld Salinity Meter Kit, -10 to 110°C Temperature Range and 1 to 50.0 ppt, 0.1 to 5.00% Salinity Range by Oakton

Great for quick, accurate, and affordable salinity measurements

These meters feature easy, push-button operation, a convenient HOLD function, and Auto-off function that shuts meter off after 20 minutes of non-use.

Meters offer two modes of calibration. For quick and easy calibrations, use automatic mode with preset calibration points at the most popular values. For more flexibility, calibrate in the manual mode and set your calibration point at any value.

Meter includes protective rubber boot that also acts as a meter stand.

• Includes protective rubber boot with stand, salinity/temperature probe (K = 1.0), calibration solutions, sample bottles, rinse bottle, hard plastic carrying case, and four AAA batteries
• Measures in ppt or %
• Large display is easy to read

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-35614-30 pH 150 Portable Waterproof pH Meter and Electrode by Oakton

The pH 150 meter offers a rugged, waterproof housing with built-in stand at an economical price. The large, three-line LCD lets you simply view the pH or mV measurement simultaneously with temperature and calibration % slope. Auto buffer recognition identifies the correct pH buffer for rapid, reliable calibration.

Calibrate meter with up to six points from USA, NIST, and DIN pH buffer sets. Automatic temperature compensation (ATC) ensures measurement accuracy even in fluctuating temperatures. Select temperature readout from C/F to suit your application.

Meter features include ready (stability) indicator, smart averaging, hold function, calibration alarm (visible), battery life indicator, and electrode status. Data storage allows manual storage and recall of 150 data sets, as well as the log of the last calibration data.

• Intuitive, user-friendly icons--electrode status displays pH slope
• Grip-Clip holder quickly and easily secures the electrode to your beaker
• Expanded data logging for up to 150 data sets
• mV offset for calibration of ORP standards, zeroing mV, and pH diagnostics
• 700 hour battery-life, or optional AC power adapter
• Built-in stand and wall mount option allow for easy benchtop measurement

WD-35604-04 CON 6+ Handheld Conductivity Meter Kit, -10 to 110°C Temperature Range and 0 to 20.00, 0 to 200.0, 0 to 2000 µS by Oakton

Features five measuring ranges up to 200.0 mS

These meters feature easy, push-button operation, a convenient HOLD function, and Auto-off function that shuts meter off after 20 minutes of non-use.

Meters offer two modes of five-point calibration. For quick and easy calibrations, use automatic mode with preset calibration points at the most popular values. For more flexibility, calibrate in the manual mode and set your calibration point at any value.

Set-up functions let you customize automatic temperature compensation and cell constant. The protective rubber boot helps shield your meter from drops and dings, and features a built-in stand.

CON 6+ features automatic or manual ranging across five ranges for a wide variety of applications ranging from pure water to boiler blow down water.

• High accuracy in changing temperature conditions
• Temperature readout and automatic temperature compensation (ATC)
• Calibrate the CON 6 at one point and all five ranges are covered

WD-35607-90 CON 150 Portable Waterproof Conductivity Meter Kit by Oakton

The CON 150 meter offers a rugged, waterproof housing with built-in stand at an economical price. The large, three-line LCD lets you view the conductivity or TDS measurement simultaneously with temperature. Convenient auto-ranging and auto-cal functions for one calibration point per measurement range. Select a two-cell probe with a 0.1, 1.0, or 10 cell constant and automatic temperature compensation (ATC). ATC ensures measurement accuracy even in fluctuating temperatures. Select temperature readout from C/F to suit your application.

Meter features include ready (stability) indicator, smart averaging, hold function, calibration alarm (visible), battery life indicator, and probe status. Data storage allows manual storage and recall of 150 data sets, as well as the log of the last calibration data.

• Intuitive, user-friendly icons probe status displays cell constant
• Grip-Clip holder quickly and easily secures the probe to your beaker or container
• Expanded data logging for up to 150 data sets
• 700 hours battery life or optional universal power adapter
• Built-in stand and wall-mount option allow for easy laboratory measurement or storage

WD-35802-00 Ammonia NH3 Single-junction Ion-Selective Electrode (ISE) by Oakton

Double junction makes these electrodes ideal even for rugged applications

Use these economical Ion Selective Electrodes (ISEs) with the ION 510 meter, pH 2500 Ion benchtop meter, or the Ion Acorn meters. They also are suitable for use with any other ion meter, or with any meter with 0.1 mV resolution. All ISEs feature a BNC connector and 3-ft cable.

ISE solution kits contain the solutions and accessories needed for calibration, sample preparation and measurement of ion concentration and activity. All solutions are supplied with MSDS (Material Safety Data Sheet) and have a value of 1000 ppm.

• Each features a BNC connector and 3-ft cable

WD-35614-90 pH 150 Portable Waterproof pH Meter Kit by Oakton

The pH 150 meter offers a rugged, waterproof housing with built-in stand at an economical price. The large, three-line LCD lets you simply view the pH or mV measurement simultaneously with temperature and calibration % slope. Auto buffer recognition identifies the correct pH buffer for rapid, reliable calibration.

Calibrate meter with up to six points from USA, NIST, and DIN pH buffer sets. Automatic temperature compensation (ATC) ensures measurement accuracy even in fluctuating temperatures. Select temperature readout from C/F to suit your application.

Meter features include ready (stability) indicator, smart averaging, hold function, calibration alarm (visible), battery life indicator, and electrode status. Data storage allows manual storage and recall of 150 data sets, as well as the log of the last calibration data.

• Intuitive, user-friendly icons--electrode status displays pH slope
• Grip-Clip holder quickly and easily secures the electrode to your beaker
• Expanded data logging for up to 150 data sets
• mV offset for calibration of ORP standards, zeroing mV, and pH diagnostics
• 700 hour battery-life, or optional AC power adapter
• Built-in stand and wall mount option allow for easy benchtop measurement

WD-35613-55 pH 5+ Portable pH Meter Kit, with NIST Traceable Certificate of Calibration 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-35613-42 pH 6+ Meter with Probe, 0 to 100°C Temperature Range, 0.00 to 14.00 pH Range, and ±1999 mV Range, with NIST Traceable Certificate of Calibration by Oakton

Reads pH, mV (for ORP/Redox measurements) and temperature

Achieve professional results at an economical price! The microprocessor-based pH 6+ meter gives you high accuracy and reliability. Use this meter to take pH, mV and temperature measurements. The millivolt readout lets you take ORP readings. Meter includes a protective rubber boot that also acts as a meter stand.

• Automatic Temperature Compensation (ATC)
• All push button operation
• Three-point pH calibration and mV offset calibration
• Auto buffer recognition
• Hold function; Auto-off
• Use with most pH and ORP electrodes with BNC connectors

WD-08369-70 Economical Minidrum Hygrothermograph by Oakton

So economical, you ll want several for monitoring and recording environmental conditions

This hygrothermograph is so compact it fits almost anywhere- measures just 6.125"L x 7.5"H x 4"D. Quartz-controlled drive is employed for accuracy; operates for six months on one AA battery. Includes two felt-tipped pens (blue and red), one 7-day rotation chart and one AA battery.

• Includes AA battery (1), felt-tipped pens (1 red, 1 blue), and 7-day sheet of chart paper
• Compact size fits almost anywhere
• Record temperature and humidity on 7-day rotation
• Protective acrylic cover removes easily yet latches securely in place

WD-35419-00 pH 700 Benchtop Meter Only, 110/220 VAC, 50/60 Hz by Oakton

The easy-to-use, microprocessor-based pH 700 benchtop meter measures pH, mV, relative mV, and temperature. The large, dual-display LCD provides excellent visibility even from a distance. Automatic temperature compensation (ATC) maintains reading accuracy even with fluctuating temperatures. Five-point pH calibration, with automatic buffer recognition for both USA (pH 1.68, 4.01, 7.00, 10.01, 12.45) and NIST (pH 1.68, 4.01, 6.86, 9.18, 12.45) pH buffers, makes for easy calibration no matter which requirement you need to meet. Meter features HOLD, ATC, and electrode diagnostics. The convenient pull-out quick reference card keeps procedures handy at all times. Meter accepts any pH or ORP electrodes with a BNC connector.

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

• Compact footprint is over 40% smaller than other benchtop meters
• Large display permits easier readout viewing
• Datalogging allows you to store and recall up to 100 data sets

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-35604-01 CON 6+ Handheld Conductivity Meter with Probe, -10 to 110°C Temperature Range and 0 to 20.00, 0 to 200.0, 0 to 2000 µS Conductivity Range, with NIST Traceable Certificate of Calibration by Oakton

Features five measuring ranges up to 200.0 mS

These meters feature easy, push-button operation, a convenient HOLD function, and Auto-off function that shuts meter off after 20 minutes of non-use.

Meters offer two modes of five-point calibration. For quick and easy calibrations, use automatic mode with preset calibration points at the most popular values. For more flexibility, calibrate in the manual mode and set your calibration point at any value.

Set-up functions let you customize automatic temperature compensation and cell constant. The protective rubber boot helps shield your meter from drops and dings, and features a built-in stand.

CON 6+ features automatic or manual ranging across five ranges for a wide variety of applications ranging from pure water to boiler blow down water.

• High accuracy in changing temperature conditions
• Temperature readout and automatic temperature compensation (ATC)
• Calibrate the CON 6 at one point and all five ranges are covered

WD-35604-05 CON 6+ Handheld Conductivity Meter Kit, -10 to 110°C Temperature Range and 0 to 20.00, 0 to 200.0, 0 to 2000 µS, with NIST Traceable Certificate of Calibration by Oakton

Features five measuring ranges up to 200.0 mS

These meters feature easy, push-button operation, a convenient HOLD function, and Auto-off function that shuts meter off after 20 minutes of non-use.

Meters offer two modes of five-point calibration. For quick and easy calibrations, use automatic mode with preset calibration points at the most popular values. For more flexibility, calibrate in the manual mode and set your calibration point at any value.

Set-up functions let you customize automatic temperature compensation and cell constant. The protective rubber boot helps shield your meter from drops and dings, and features a built-in stand.

CON 6+ features automatic or manual ranging across five ranges for a wide variety of applications ranging from pure water to boiler blow down water.

• High accuracy in changing temperature conditions
• Temperature readout and automatic temperature compensation (ATC)
• Calibrate the CON 6 at one point and all five ranges are covered

WD-35604-21 TDS 6+ Handheld Total Dissolved Solids Meter with Probe, -10 to 110°C Temperature Range and 0 to 10.00, 10 to 100.0, 100 to 1000 ppm; 1.00 to 10.00, 10.0 to 100.0, up to 200.0 ppt TDS Range, with NIST Traceable Certificate of Calibration by Oakton

Customize TDS conversion factor for better accuracy

These meters feature easy, push-button operation, a convenient HOLD function, and Auto-off function that shuts meter off after 20 minutes of nonuse.

Meters offer two modes of five-point calibration. For quick and easy calibrations, use automatic mode with preset calibration points at the most popular values. For more flexibility, calibrate in the manual mode and set your calibration point at any value.

Set-up functions let you customize automatic temperature compensation, cell constant, and TDS conversion factor for better accuracy and faster use. The protective rubber boot helps shield your meter from drops and dings, and features a built-in stand.

• Includes conductivity/TDS temperature probe (K= 1.0), protective rubber boot, calibration solutions, sample bottles, hard carrying case and batteries
• High accuracy in changing temperature conditions
• Temperature readout and automatic temperature compensation (ATC)
• Calibrate the TDS 6+ at one point and all five ranges are covered

WD-35604-24 TDS 6+ Handheld Total Dissolved Solids Meter Kit, -10 to 110°C Temperature Range and 0 to 10.00, 10 to 100.0, 100 to 1000 ppm; 1.00 to 10.00, 10.0 to 100.0, up to 200.0 ppt TDS Range by Oakton

Customize TDS conversion factor for better accuracy

These meters feature easy, push-button operation, a convenient HOLD function, and Auto-off function that shuts meter off after 20 minutes of nonuse.

Meters offer two modes of five-point calibration. For quick and easy calibrations, use automatic mode with preset calibration points at the most popular values. For more flexibility, calibrate in the manual mode and set your calibration point at any value.

Set-up functions let you customize automatic temperature compensation, cell constant, and TDS conversion factor for better accuracy and faster use. The protective rubber boot helps shield your meter from drops and dings, and features a built-in stand.

• Includes conductivity/TDS temperature probe (K= 1.0), protective rubber boot, calibration solutions, sample bottles, hard carrying case and batteries
• High accuracy in changing temperature conditions
• Temperature readout and automatic temperature compensation (ATC)
• Calibrate the TDS 6+ at one point and all five ranges are covered

WD-35604-25 TDS 6+ Handheld Total Dissolved Solids Meter Kit, -10 to 110°C Temperature Range and 0 to 10.00, 10 to 100.0, 100 to 1000 ppm; 1.00 to 10.00, 10.0 to 100.0, up to 200.0 ppt TDS Range, with NIST Traceable Certificate of Calibration by Oakton

Customize TDS conversion factor for better accuracy

These meters feature easy, push-button operation, a convenient HOLD function, and Auto-off function that shuts meter off after 20 minutes of nonuse.

Meters offer two modes of five-point calibration. For quick and easy calibrations, use automatic mode with preset calibration points at the most popular values. For more flexibility, calibrate in the manual mode and set your calibration point at any value.

Set-up functions let you customize automatic temperature compensation, cell constant, and TDS conversion factor for better accuracy and faster use. The protective rubber boot helps shield your meter from drops and dings, and features a built-in stand.

• Includes conductivity/TDS temperature probe (K= 1.0), protective rubber boot, calibration solutions, sample bottles, hard carrying case and batteries
• High accuracy in changing temperature conditions
• Temperature readout and automatic temperature compensation (ATC)
• Calibrate the TDS 6+ at one point and all five ranges are covered

WD-35604-40 SALT 6+ Handheld Salinity Meter with Probe, -10 to 110°C Temperature Range and 1 to 50.0 ppt, 0.1 to 5.00% Salinity Range by Oakton

Great for quick, accurate, and affordable salinity measurements

These meters feature easy, push-button operation, a convenient HOLD function, and Auto-off function that shuts meter off after 20 minutes of non-use.

Meters offer two modes of calibration. For quick and easy calibrations, use automatic mode with preset calibration points at the most popular values. For more flexibility, calibrate in the manual mode and set your calibration point at any value.

Meter includes protective rubber boot that also acts as a meter stand.

• Includes protective rubber boot with stand, salinity/temperature probe (K = 1.0), and four AAA batteries
• Measures in ppt or %
• Large display is easy to read

WD-35604-41 SALT 6+ Handheld Salinity Meter with Probe, -10 to 110°C Temperature Range and 1 to 50.0 ppt, 0.1 to 5.00% Salinity Range, with NIST Traceable Certificate of Calibration by Oakton

Great for quick, accurate, and affordable salinity measurements

These meters feature easy, push-button operation, a convenient HOLD function, and Auto-off function that shuts meter off after 20 minutes of non-use.

Meters offer two modes of calibration. For quick and easy calibrations, use automatic mode with preset calibration points at the most popular values. For more flexibility, calibrate in the manual mode and set your calibration point at any value.

Meter includes protective rubber boot that also acts as a meter stand.

• Includes protective rubber boot with stand, salinity/temperature probe (K = 1.0), and four AAA batteries
• Measures in ppt or %
• Large display is easy to read