Ph 30

WD-35632-30 pH/DO 450 Portable Waterproof pH/DO Meter with Probe by Oakton

The pH/RDO 450 meter uses optical measurement technology offering fast response times and long-term stability with minimal maintenance. Plus the automatic temperature compensation (ATC), barometric pressure compensation, and salinity correction further ensure measurement accuracy. The large, backlit LCD lets you view pH, ISE, mV, % saturation, or mg/L (ppm) simultaneously with temperature.

Rugged, IP67-rated waterproof housing makes the meter ideal for plant or field testing. Additional features include ready (stability) indicator, smart averaging, hold function, calibration alarm, and battery-life indicator.

Perform data logging with manual or timed collection of up to 500 data sets with real-time clock time/date stamp. Order optional data cable for USB and RS-232 connectivity.

• Durable waterproof and dustproof design with IP67 rating
• Eliminates costly, tiresome membranes and solutions
• Barometric pressure and salinity correction
• USB and RS-232 output for up to 500 data sets
• Built-in stand allows for easy benchtop use
• 500 hours battery life, or optional universal power adapter

WD-35634-30 pHTestr 30 Portable Waterproof pH Tester by Oakton

Dual Display of pH and Temperature

High ±0.01 pH accuracy in a waterproof pocket-sized instrument! This unique Testr display pH and °C readings on a single large display. It also features a Double-junction electrode ideal for dirty water and solutions with heavy metals or other contaminants. Its waterproof, dustproof housing protects Testr from rugged field or plant environments.

• High ±0.01 pH accuracy
• Simultaneous pH and temperature (°C) display
• Suitable for most ASTM and EPA test procedures
• Double-junction electrode ideal for dirty water, heavy sulfides, tris buffers and organics
• Increased reference gel volume offers significantly longer electrode life
• Certifiable to IP67 standards waterproof and dustproof housing floats
• Replaceable sensor lets you reuse same meter body, saving you money
• Automatic temperature compensation
• Three point push-button calibration

WD-35419-30 pH 550 Benchtop pH Meter Kit by Oakton

The PH 550 benchtop pH meter features a microprocessor chip which provides automatic temperature compensation, data storage, parameter setup, and Max/Min reading display. The meter offers a pH range from 0 to 14 and a three-point automatic calibration, with the ability to recognize standard buffer solutions (USA or NIST series). The advanced digital processing technology improves meter response time and measuring accuracy. A stable reading display icon appears when the measuring value is stable.

The 3-in-1 combination pH electrode measures pH and temperature simultaneously. The compact meter includes a detachable electrode holder and three bottles of pH buffer solution. It has a dustproof and spillproof rating of IP54. Connectors are protected by silicone seal caps.

Economical meter for benchtop pH measurement

• Automatically recognizes calibration solutions
• Compact design saves valuable benchtop space
• Data logging allows you to store and recall up to 50 groups of data
• IP54-rated housing is dust- and spill-proof

INCLUDES

Plastic 3-in-1 combination pH electrode, electrode holder, pH standard buffer solutions (4.00/7.00/10.01 pH, 50 mL each), and 9 VAC power adapter.

WD-35634-90 pHTestr 30 Portable Waterproof pH Tester with Calibration Kit by Oakton

pHTestr 30 calibration kit includes Testr, calibration buffer pouches (two each of pH 4.01, 7.00, 10.00 and rinse water), sample jar, and sturdy carrying case

WD-00651-30 Traceable® pH Standard Buffer with Calibration, Clear, pH 4, 1000 mL by Oakton

Oakton pH buffers are compared against, and are traceable to, NIST Standard Reference Materials. Each bottle includes a NIST-traceable calibration report stating accuracy at 25°C to ±0.010 pH. Color-coded and colorless buffers are available in 500-mL, 1-L, or 4-L packaging sizes. Additional values and packaging sizes are available. Store at room temperature.

Certified Reference Materials (CRM) meet federal, state, and or local agencies' strictest mandates, and deliver exact calibration results for any pH meter. A2LA ISO/IEC 17025:2005 (1750.01) (Calibration Laboratory) and ISO Guide 34 (Certified Reference Material Producer) provide highest achievable levels of product production, documentation, and accuracy. Additional accreditations include ISO 31 (content) and ISO 35 (statistical analysis). ISO 9001 ensures that world-class product standards for Materials are always met.

Traceable® products are calibrated to NIST-traceable standards and ready to use as soon as you receive it. Each product goes through an intense vetting process before it can carry the Traceable name, and it includes NIST-traceable certification. This means that a 17025-accredited calibration test lab has confirmed that the product meets or exceeds all stated specifications, saving you both time and money by not having to calibrate separately. NIST-traceable calibration also helps you meet quality standards and regulatory compliance for ISO, FDA, cGMP, VFC, CAP, CLIA and Joint Commission requirements.

NIST-traceable reference materials include a calibration report from an ISO 17034 and ISO 17025 accredited laboratory

• Choose from clear or color-coded standards from common calibration points
• 1000 mL (32 fl.oz.) capacity
• Calibrate at pH 4

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-35618-30 pH 450 Portable Waterproof pH Meter and Electrode by Oakton

The pH 450 meter offers an IP67-rated waterproof housing, making it ideal for the manufacturing floor, field testing, and the laboratory. The large, backlit LCD lets you view the main measurement simultaneously with temperature and calibration data with % slope. Calibrate pH and ISE with up to six points from USA, NIST, DIN, PWB and custom pH buffers. Automatic temperature compensation (ATC) ensures measurement accuracy even in fluctuating temperatures. Select temperature reading from degree C or degree F to suit your application.

Meter features include ready (stability) indicator, smart averaging, hold function, calibration alarm (visible), battery-life indicator, and electrode status.

Perform data logging with manual or timed collection of up to 500 data sets with real-time clock time/date stamp. Order optional data cables for USB or RS-232 connectivity.

• Intuitive, user-friendly icons--electrode status displays pH slope
• Grip-Clip electrode holder quickly and easily secures electrode to side of beaker or container
• USB or RS-232 output for up to 500 data sets
• Extended battery life or optional universal power adapter
• 700 hour battery-life, or optional AC power adapter
• Built-in stand with wall mount option allows for easy benchtop measurement or storage

WD-35807-30 Teflon-junction, CPVC-body pH Electrode (Use with pH 100, 200, 800, and 1000 controllers) by Oakton

A. In-line submersible electrodes feature a probe guard to protect sensor from damage. They can be placed in a tee fitting for in-line use. CPVC body with 3/4" NPT thread on both ends withstands temperatures up to 80°C.

B. Submersible electrodes are permanently encapsulated in a 3-ft pipe - perfect for tank installation. ABS plastic body withstands temperatures up to 80°C.

C. Semi-domed bulb electrodes with solution ground have a unique surface design that protects electrode from particulates and increases flow across the junction to keep the bulb clean. Graphite body acts as a solution ground. Withstand temperatures up to 100°C.

D. Self-cleaning flat electrodes have an innovative flat surface that prevents solids buildup. CPVC body with 3/4" NPT thread on both ends withstands temperatures up to 80°C.

E. PTFE junction electrodes are excellent for simple wastewater applications. PTFE junction and polymer gel reference electrolyte resist clogging. CPVC body with 3/4" NPT thread on both ends withstands temperatures up to 80°C.

F. PTFE junction electrodes with solution ground are excellent for tough wastewater applications. Solution ground pin eliminates ground loop and electrical noise problems. PTFE junction and polymer gel reference electrolyte resist clogging. Ryton body with 3/4" NPT thread on both ends withstands temperatures up to 100°C.

• Include BNC connector
• Built-in Pt RTD sensor with stripped ends for temperature (ATC) element
• ORP electrodes feature Pt band sensor
• Use electrodes with solution ground with our pH 200, 800, or 1000 controllers in areas with high electrical noise

WD-00655-30 Traceable® One-Shot™ Buffer Solution, Clear, pH 4.005; 6 x 100 mL Vials by Oakton

• Convenient, single-use vials eliminate concerns of cross-contamination; each pack contains six polyethylene vials with 100-mL of pH buffer per vial
• If unopened, shelf life is 2 years; once opened, use pH 4 and pH 7 within 90 days, pH 10 within 30 days

Oakton® Traceable® One-Shot™ pH Buffer Solutions are supplied with NIST-traceable calibration reports stating accuracy at 25°C to ±0.010 pH, in addition to conversion values for pH/temperature - for the most accurate calibrations!

METHODS SUPPORTED

Certified reference material meets test requirements for Federal, State, and local agencies, CAP, ASTM, NCCLS, CLSI, ACS, CLIA, AOAC, EPA, APHA, AWWA, WEF, USGS, USP, and ISO. Traceable® Conductivity Standards complies with and is essential for use in these official methods: AOAC 973.40, EPA 120.1, Standard Method 2510 (APHA, AWWA, WEF), ISO 7888, DIN 38404, ASTM D1125, USGS I-1780, USP 645, and for A2LA/NVLAP accreditations/ISO 9000 certifications. Material may be used to calibrate all conductivity meters and to determine all conductivity cell constants.

A2LA ACCREDITATION ISO/IEC 17025:2005 (1750.01)

To assure accuracy an individually serial-numbered Traceable® Certificate is supplied to indicate traceability to standards provided by NIST (National Institute of Standards and Technology) and/or a National Standards Laboratory. A2LA accredited certification provides the highest achievable level of quality assurance, documentation, and accuracy. Conductivity Standards are produced in an A2LA accredited ISO/IEC 17025:2005 (1750.01) calibration laboratory. Additional certifications include ISO 31 (certificate content) and ISO 35 (statistical analysis), plus ISO 9001 (certified quality manufacturer).

• All Oakton® Traceable® pH buffer solutions are NIST-traceable reference materials
• Supplied with a calibration report from an ISO 17034 and ISO 17025 accredited laboratory
• Individually packed in foil pouch to prevent UV exposure that may degrade accuracy
• Buffer solution lets you calibrate pH instruments to ensure accuracy
• If unopened, shelf life is 2 years
• Use to calibrate pH instruments to 4.005

INCLUDES

individual temperature compensation chart and NIST-Traceable calibration certificate with data

WD-35419-28 pH 550 Benchtop pH Meter Kit with Probe, Stand, and pH Buffers by Oakton

The PH 550 benchtop pH meter features a microprocessor chip which provides automatic temperature compensation, data storage, parameter setup, and Max/Min reading display. The meter offers a pH range from 0 to 14 and a three-point automatic calibration, with the ability to recognize standard buffer solutions (USA or NIST series). The advanced digital processing technology improves meter response time and measuring accuracy. A stable reading display icon appears when the measuring value is stable.

The 3-in-1 combination pH electrode measures pH and temperature simultaneously. The compact meter includes a detachable electrode holder and three bottles of pH buffer solution. It has a dustproof and spillproof rating of IP54. Connectors are protected by silicone seal caps.

Oakton® pH Buffer Bottles have pH/temperature tables printed on the labels for accurate calibrations

• Manufactured under ISO 9000 quality guidelines and traceable to NIST standards
• If unopened, shelf life is 2 years; once opened, use pH 4 and pH 7 within 90 days, pH 10 within 30 days
• Store buffers away from direct sunlight.
• Color coded for quick visual reference: pH 4.01 buffer in red, pH 7.00 buffer in yellow, pH 10.01 buffer in blue

KEY FEATURES

• Automatically recognizes calibration solutions
• Compact design saves valuable benchtop space
• Data logging allows you to store and recall up to 50 groups of data
• IP54-rated housing is dust- and spill-proof
• Bundled kit for convenience and savings!
• All Oakton pH buffers are traceable to NIST standard reference materials
• Buffer solutions help you calibrate pH instruments to ensure accuracy

INCLUDES

Plastic 3-in-1 combination pH electrode, electrode holder, pH standard buffer solutions (4.00/7.00/10.01 pH, 500 mL each), and 9 VAC power adapter.

PENPH pH Pen by Bluelab

Perfect for quick and easy pH and temperature readings direct from your solution.

The Bluelab® pH Pen is the preferred option for hand held pH meters. It provides a compact, quick and handy way to manage the success of your crops to ensure maximum uptake of nutrients.

A key parameter that affects nutrient uptake is whether your solution is acid or alkaline. We measure this in pH.

Teamed with our Bluelab® Conductivity Pen you have a robust, convenient and accurate measurement system.

Features:

• Measures pH and temperature
• Selectable units for temperature
• Fully waterproof
• Backlit LCD display
• Double junction probe (not replaceable)
• Simple two point calibration process with 30 day calibration indicator
• Hold reading function
• Low battery indicator
• Auto off function
• Automatic temperature compensation
• 1 AAA replaceable battery included

PH910 Benchtop pH Meter Kit by Apera

Basic Features

• Intuitive operating navigation with natural language and graphics
• Multi-language operating system (English, German, Spanish, Mandarin)
• Smiley icon indicates the reading stability; automatic lock mode available
• Automatic calibration, automatic temperature compensation, self-diagnosis.
• Manual data logger with 100 groups of storage

pH Features

• 1 to 3 points automatic calibration with calibration instruction and self-diagnosis
• Automatically recognizes pH standard solution (1.68, 4.00, 7.00, 10.01, 12.45). 3 series buffer standards for selection: USA, NIST, China series, as well as user-customized standards.
• Automatically display electrode slope.
• Standard BNC pH connector, RCA connector for a temperature probe, NTC 30KΩ thermistor

METMULTI Multimedia pH Meter by Bluelab

We have combined the Bluelab® Multimedia pH Meter and Bluelab® LeapTM pH Probe to take fast accurate measurements in nutrient solution, soil, coco coir, rockwool, potting mix and many other media types.

Calibration is simple with one push button on the meter and fresh Bluelab® Calibration Solutions. Successful calibration indicator is displayed on screen for 30 days to indicate when re-calibration is required.

Team with the Bluelab® Solutions and the convenient Bluelab® Carry Case. Replacement Bluelab® pH or LeapTM pH Probe available too.

2 m / 6.6 ft standard cable

Features

• Test more with a faster sensor response and direct measurements from substrates and nutrient solution
• Multimedia friendly, for measurements across a range of environments
• Toughened spear tip for direct root-zone measurements
• Simple two point calibration process with 30 day calibration indicator
• Backlit LCD display, low battery indicator, auto off function

PENSOILPH Soil pH Pen by Bluelab

Know that your nutrients will be made consistently available to your plants.

The Bluelab® Soil pH Pen provides a pH and temperature reading of media including soil, coco and rockwool. It works in solutions too.

Accurately monitor and adjust pH levels right from the palm of your hand, no need for slurries - making soil pH measuring much quicker and easier.

Features

• Direct measurement of pH and temperature from media, and solutions
• Fully waterproof
• Integrated storage cap/dibber
• Selectable units for temperature
• Backlit LCD display
• Simple two point calibration process with 30 day calibration indicator
• Hold reading function
• Low battery indicator
• Auto off function
• Automatic temperature compensation
• 1x AAA replaceable battery included

WD-35420-24 pH 2700 Benchtop Meter with Probes and NIST-Traceable pH Buffers by Oakton

More features of the Oakton 2700 metersOakton 2700 meters meet GLP requirements - meters stamp all calibration and stored data with time/date. Nonvolatile memory stores up to 500 data sets to simplify documenting large volumes of pH or mV measurements. Meters automatically calculate and display electrode slope and offset - ideal for checking electrode quality. Order RS-232 and optional RS-232 to USB adapter separately.

Advanced set-up options allow for a large degree of user customization. Datalogging intervals can be programmed into the meter for convenient continuous monitoring. Programmable limit alarm alerts you when readings fall out of range. Calibrate up to 6 points for pH using USA, NIST, DIN, or custom buffer sets. Optional password protection prevents changes to meter setup and calibration.

Oversized 3-1/4" x 2-7/16" (8.3 x 6.2 cm) graphic LCD can be viewed from across the room. Bright backlight and large digits allow readings in all conditions. Informative display shows pH or Redox measurements together with temperature, electrode status, cal points, time and date all at once! Cal-due alarm lets you know when recalibration is necessary for measurement accuracy. Visual stability indicator informs you when measurements have stabilized, eliminating guesswork. Comprehensive self-diagnostics make troubleshooting a breeze.

Oakton® Traceable® One-Shot™ pH Buffer Solutions are supplied with NIST-traceable calibration reports stating accuracy at 25°C to ±0.010 pH, in addition to conversion values for pH/temperature - for the most accurate calibrations!

METHODS SUPPORTED

Certified reference material meets test requirements for Federal, State, and local agencies, CAP, ASTM, NCCLS, CLSI, ACS, CLIA, AOAC, EPA, APHA, AWWA, WEF, USGS, USP, and ISO. Traceable® Conductivity Standards complies with and is essential for use in these official methods: AOAC 973.40, EPA 120.1, Standard Method 2510 (APHA, AWWA, WEF), ISO 7888, DIN 38404, ASTM D1125, USGS I-1780, USP 645, and for A2LA/NVLAP accreditations/ISO 9000 certifications. Material may be used to calibrate all conductivity meters and to determine all conductivity cell constants.

A2LA ACCREDITATION ISO/IEC 17025:2005 (1750.01)

To assure accuracy an individually serial-numbered Traceable® Certificate is supplied to indicate traceability to standards provided by NIST (National Institute of Standards and Technology) and/or a National Standards Laboratory. A2LA accredited certification provides the highest achievable level of quality assurance, documentation, and accuracy. Conductivity Standards are produced in an A2LA accredited ISO/IEC 17025:2005 (1750.01) calibration laboratory. Additional certifications include ISO 31 (certificate content) and ISO 35 (statistical analysis), plus ISO 9001 (certified quality manufacturer).

• Oakton® Traceable® pH buffer solutions are NIST-traceable reference materials
• Supplied with calibration report from an ISO 17034 and ISO 17025 accredited laboratory
• Individually packed in foil pouch to prevent UV exposure that may degrade accuracy
• Convenient, single-use vials eliminate concerns of cross-contamination; each pack contains six polyethylene vials with 100-mL of pH buffer per vial
• If unopened, shelf life is 2 years; once opened, use pH 4 and pH 7 within 90 days, pH 10 within 30 days
• Color-coded buffer for easy identification

KEY FEATURES

• Oversize, informative display with bright backlight
• High 0.001 pH resolution with ±0.002 pH accuracy
• Store and recall up to 500 sets of data - send data to a PC or printer
• Bundled kit for convenience and savings!
• Traceable® pH Buffers are Certified Reference Materials, making them one of the most accurate available
• Supplied with calibration report from an ISO 17034 and ISO 17025 accredited laboratory

INCLUDES

electrode stand and 100/240 VAC power adapter. Meters with probes add: ATC probe 35613-13, pH electrode 35805-04, and 60-mL of electrode fill solution. For full specifications please refer to the instruction manual

ATC probe 35613-13, pH electrode 35805-04, 60-mL of electrode fill solution, Two 100-mL vials of each pH buffer solution (4.005, 7.000, and 10.012), electrode stand, and 100/240 VAC power adapter.

PH950 Benchtop pH Meter Kit with TestBench by Apera

Basic Features

• Comes with Apera TestBench that incorporates a flexible electrode holder, an intelligent stirrer, and buffer organizers altogether, streamlining the process of pH measurement and calibration.
• Intuitive operating navigation with natural language and graphics
• Multi-language operating system (English, German, Spanish, Mandarin)
• Smiley icon indicates the reading stability; automatic lock mode available
• Automatic calibration, automatic temperature compensation, self-diagnosis.
• Manual data logger with 100 groups of storage

pH Features

• Comes with the Swiss LabSen® 211 pH combination electrode and the MP500 temperature probe, achieving highly accurate measurements in the fastest manner
• 1 to 3 points automatic calibration with calibration instruction and self-diagnosis
• Automatically recognizes pH standard solution (1.68, 4.00, 7.00, 10.01, 12.45). 3 series buffer standards for selection: USA, NIST, China series, as well as user-customized standards.
• Automatically display electrode slope.
• Standard BNC pH connector, RCA connector for a temperature probe, NTC 30KΩ thermistor

PH850-PW Portable pH Meter Kit for Purified Water by Apera

The Apera Instruments PH850-PW Portable pH Meter is designed for professional pH measurement of purified water such as drinking/RO/distilled/deionized water and other low ion-concentration solutions. The equipped LabSen 803 3-in-1 Glass pH/temp. Electrode adopts a moveable sleeve junction, Long-Life reference system, and a patented pH/temp. dual sensor structure, making precise purified water pH measurement easier than ever. Get stable readings in as quickly as 30 seconds. The unique LabSen blue cylindrical glass membrane has a faster response rate, better repeatability, and built tough - highly resistant to general impact (totally differentiates from the fragile conventional glass bulb membrane).

This PH850-PW Portable pH Meter has a ±0.01 pH accuracy in a range of 0-14 pH, and Temperature Range: 0 to 80°C(32 to 176°F), Auto Calibration with auto-recognition of up to 12 kinds of buffer solutions, Auto. Temp. Compensation, and supports stable reading/auto-hold display mode. The meter's digital filter technology improves response time and accuracy.

Intelligent Functions: Smart Self Diagnosis reminds of out-of-range measurement, incorrect calibration, and electrode invalidation. Other functions include auto. calibration, auto. lock, easy parameter setting, pH electrode's slope display, auto. power off, etc.

Reliable Structure Design: foldable stand allows use as a benchtop meter; soft silicone case gives you a nice firm grip; connector protection cap, IP57 waterproof rating; Powered by 3 AA batteries. The meter is RoHS and CE certified and comes with a 2-year warranty (6 months for the electrode).

• Equipped with LabSen® 803 Glass 3-in-1 pH/Temperature Electrode designed for quick and stable pH measurement of purified water (RO/Drinking/distilled/deionized water) and low ion-concentration solutions.
• Intelligent Functions: Self-Diagnosis of out-of-range value and electrode invalidation, auto. calibration, electrode slope display, Auto. power-off, easy parameter setting
• Ragged Structure Design: IP57 waterproof rating, soft silicone case gives you a firm and comfortable grip
• Powered by AAA batteries; the foldable stand also allows use as a benchtop meter

WD-27508-30 Cole-Parmer® pH Electrode Refillable Double-junction for Orion A Series Meters by Oakton

Epoxy-body pH electrodes compatible with Orion A-Series meters.

WD-05942-65 Buffer Solution, pH 10.01; 4 x 1 gal. Bottles/Cs by Oakton

• Oakton pH Buffer Solutions have pH/temperature tables printed on the labels for accurate calibrations (not on 60-mL, but included as insert)
• Manufactured under ISO 9000 quality guidelines and traceable to NIST standards
• If unopened, shelf life is 2 years; once opened, use pH 4 and pH 7 within 90 days, pH 10 within 30 days

Buffer Options:

• pH 1.68 buffer available in clear
• pH 4.01 buffer available in red
• pH 6.86 buffer available in clear
• pH 7.00 buffer available in yellow
• pH 9.18 buffer available in clear
• pH 10.01 buffer available in blue
• pH 12.46 buffer available in clear

Standardized against NIST-traceable pH references for meters with 0.01 resolution. Sold as a case of four jugs; 1-gallon bottles are also available individually.

Store buffers away from direct sunlight.

WD-00653-07 Buffer Solution, pH 1.68; 5 x 60 mL Bottles/Pk by Oakton

• Oakton pH Buffer Solutions have pH/temperature tables printed on the labels for accurate calibrations (not on 60-mL, but included as insert)
• Manufactured under ISO 9000 quality guidelines and traceable to NIST standards
• If unopened, shelf life is 2 years; once opened, use pH 4 and pH 7 within 90 days, pH 10 within 30 days
• Buffer Options: pH 1.68 buffer available in clear, pH 4.01 buffer available in red, pH 6.86 buffer available in clear, pH 7.00 buffer available in yellow, pH 9.18 buffer available in clear, pH 10.01 buffer available in blue, pH 12.46 buffer available in clear

Convenient 60-mL bottles come in a pack of five - ideal for field use. Grab one when you're on the go! Standardized against NIST-traceable pH references for meters with 0.01 resolution.

Store buffers away from direct sunlight.

• All Oakton pH buffers are traceable to NIST standard reference materials
• Buffer solution lets you calibrate pH instruments to ensure accuracy
• If unopened, shelf life is 2 years
• NIST/USA buffer value of pH 1.68

WD-00653-08 Buffer Solution, pH 4.01; 5 x 60 mL Bottles/Pk by Oakton

• Oakton pH Buffer Solutions have pH/temperature tables printed on the labels for accurate calibrations (not on 60-mL, but included as insert)
• Manufactured under ISO 9000 quality guidelines and traceable to NIST standards
• If unopened, shelf life is 2 years; once opened, use pH 4 and pH 7 within 90 days, pH 10 within 30 days
• Buffer Options: pH 1.68 buffer available in clear, pH 4.01 buffer available in red, pH 6.86 buffer available in clear, pH 7.00 buffer available in yellow, pH 9.18 buffer available in clear, pH 10.01 buffer available in blue, pH 12.46 buffer available in clear

Convenient 60-mL bottles come in a pack of five - ideal for field use. Grab one when you're on the go! Standardized against NIST-traceable pH references for meters with 0.01 resolution.

Store buffers away from direct sunlight.

• All Oakton pH buffers are traceable to NIST standard reference materials
• Buffer solution lets you calibrate pH instruments to ensure accuracy
• If unopened, shelf life is 2 years
• NIST/USA buffer value of pH 4.01