Water Quality Products, Oakton

WD-35805-65 Accumet pH Electrode, 6x106 mm, Epoxy Body, Single Junction, Sealed by Oakton

Oakton high-performance electrodes are available in a full range of materials, junctions, and sizes to suit your application requirements. New formulation provides additional stability and superior reproducibility.

Affordable, high-accuracy pH electrodes for every application

• The ideal 5-point calibration pH electrode
• Delivers superior reproducibility in aqueous samples

Includes

3.3-ft (1-m) cable with a BNC connector.

WD-00651-78 Traceable® pH Standard Buffer with Calibration, Yellow, pH 7; 4 L 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
• 4 L (128 fl.oz.) capacity
• Calibrate at pH 7
• Easily identify yellow color-coded formula

WD-35419-33 CON 550 Replacement Conductivity Cell K= 10.0 by Oakton

Replace electrodes when they break, no longer hold calibration, cannot be rehydrated, or are not compatible with your sample.

WD-00653-12 Buffer Solution, pH 9.18; 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 buffer value of pH 9.18

WD-35850-08 Accumet pH Test Paper, 0 to 13 Indicator Roll by Oakton

Oakton pH indicator paper features a 1.0 pH unit interval across the entire range. Packed in a plastic dispenser with an extra-large color comparator chart, the test paper features vivid and easily distinguished colors provide an instant result. Paper roll measures 1/2" wide x 50-ft long (1.3 cm x 15.2 m), enough for approximately 150 tests.

Double-wide continuous paper roll is glove friendly

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-35850-12 Buffer Capsules, pH 4; 10/Pk by Oakton

Buffer salts inside capsules require 100 mL of deionized or distilled water to produce a clear pH calibration solution accurate to ±0.02 pH (at 25°C) with traceability to NIST standards. Capsules are easier to store and transport than prepared aqueous buffer solutions. Capsules are color-coded for easy identification if mixed.

Store buffer solution in an airtight container at room temperature for three weeks. Unused capsules have a five-year shelf life. Each vial contains 10 capsules.

Fresh pH calibration solution anytime and anywhere

• Each capsule mixes with 100-mL of deionized water to create a clear, 4.00 pH solution

Includes

Ten red-colored capsules.

WD-00651-74 Traceable® pH Standard Buffer with Calibration, Clear, pH 10, 4 L 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
• 4 L (128 fl.oz.) capacity
• Calibrate at pH 10

WD-27001-90 pH Electrode, In-line, Double-junction, No ATC 10-ft Cable, BNC by Oakton

In-line electrodes operate from 32 to 212°F (0 to 100°C) and have a chemical-resistant PVDF housing with a 1/2" NPT(M) thread. Housing measures 4" x 15/16" diameter. Electrode extends 1" beyond housing. Maximum pressure 100 psi. Measure pH from 0 to 13.

Note: 100 Ω RTD ATC elements are platinum and conform to DIN curve 43760. ATC connector is miniature audio plug.
Connector for the 1 kΩ RTD and the 3 kΩ Balco ATC elements is a spade lug.
Connector for 100 kΩ

Integral, one-piece electrode and housing for installation convenience

• Choose from single-junction or double-junction designs
• Options of BNC or stripped and tinned ends

WD-00651-76 Traceable® pH Standard Buffer with Calibration, Red, pH 4; 4 L 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
• 4 L (128 fl.oz.) capacity
• Calibrate at pH 4
• Easily identify red color-coded formula

WD-00651-08 Traceable® pH Standard Buffer with Calibration, Yellow, pH 7; 500 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
• 500 mL (16 fl.oz.) capacity
• Calibrate at pH 7
• Easily identify red color-coded formula

WD-00651-02 Traceable® pH Standard Buffer with Calibration, Clear, pH 7; 500 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
• 500 mL (16 fl.oz.) capacity
• Calibrate at pH 7

WD-35805-63 Accumet pH Electrode, 12x106 mm, Epoxy Body, Double Junction, Refill by Oakton

Oakton high-performance electrodes are available in a full range of materials, junctions, and sizes to suit your application requirements. New formulation provides additional stability and superior reproducibility.

Affordable, high-accuracy pH electrodes for every application

• The ideal 5-point calibration pH electrode
• Delivers superior reproducibility in aqueous samples

Includes

3.3-ft (1-m) cable with a BNC connector.

WD-00653-36 Conductivity and TDS Standard, 1413 μS; 5 x 60 mL Bottles/Pk by Oakton

• KCl, NaCl and 442 conversions printed on the bottle for ease of use (excluded on 60-mL bottle, but included in insert)
• Temperature corrections are printed on the bottle, with certified values listed in tables and referenced to 25°C (excluded on 60-mL bottle, but included in insert)
• Manufactured under ISO 9000 quality guidelines and traceable to NIST standards
• If unopened, shelf life is 1 year. If opened recommended shelf life is 4 months
• Conductivity options range from 1 μS/cm to 200,000 μS/cm

Convenient 60-mL bottles come in a pack of five - ideal for field use. Grab one when you're on the go!

• All Oakton Conductivity and TDS Standards are traceable to NIST standard reference materials
• Solutions help you calibrate conductivity instruments to ensure accuracy
• Standard values given at 25°C
• Use when readings are expected to be around 1413 μS/cm

WD-05993-70 Cole-Parmer® In-Line pH Probe, SJ/PVDF/100Ohm RTD/10'; Plug/BNC by Oakton

In-line electrodes operate from 32 to 212°F (0 to 100°C) and have a chemical-resistant PVDF housing with a 1/2" NPT(M) thread. Housing measures 4" x 15/16" diameter. Electrode extends 1" beyond housing. Maximum pressure 100 psi. Measure pH from 0 to 13.

Note: 100 Ω RTD ATC elements are platinum and conform to DIN curve 43760. ATC connector is miniature audio plug.
Connector for the 1 kΩ RTD and the 3 kΩ Balco ATC elements is a spade lug.
Connector for 100 kΩ

• Choose from single-junchtion or double-junction designs
• Available with BNC or tinned ends

WD-35635-10 T-100WL Portable White Light Turbidity Meter Kit by Oakton

The Oakton T-100 series portable turbidity meters feature five calibration points—0 NTU, 20 NTU, 100 NTU, 400 NTU, and 800 NTU. The 0 NTU uses laboratory distilled or deionized water, while the other four calibration points are configured using high molecule polymer standard solutions included in the kits. The meters also include normal and continuous measurement modes, parameter setup, data recall, real-time clock, calibration date check, automatic power off, and low voltage indication. The continuous measure mode allows you to automatically generate average, maximum and minimum measured values in a data storage interface, suitable for sample solutions with rapid settling and continuous measurement changes.

The large TFT color screen displays a blue background for measurement mode, green background for calibration mode, and features operation guides for easy calibration and measurement. Up to 200 sets of data can be stored on the meter. A USB interface cable can transfer this data to your computer for future analysis.

• Auto-ranging from 0 to 1000 NTU (FNU)
• Stores up to 200 sets of data
• Suitable for field use—meets IP67 water-resistant requirements
• Easy to replace tungsten light source
• Meets performance criteria as specified by EPA 180.1 method

Includes

Six 25 x 60 mm sample test cuvettes, five 60-mL polymer standard calibration solutions (0.0, 20, 100, 400, and 800 NTU), 10 mL of silicone oil, microfiber wiping cloth, PCLink software on USB flash drive, hard carrying case, built-in Lithium ion battery, and USB cable with power adapter.

WD-35805-60 Accumet pH Electrode, 12x110 mm, Glass Body, Single Junction, Refill by Oakton

Oakton high-performance electrodes are available in a full range of materials, junctions, and sizes to suit your application requirements. New formulation provides additional stability and superior reproducibility.

Affordable, high-accuracy pH electrodes for every application

• The ideal 5-point calibration pH electrode
• Delivers superior reproducibility in aqueous samples

Includes

3.3-ft (1-m) cable with a BNC connector.

WD-35850-14 Buffer Capsules, pH 7; 10/Pk by Oakton

Buffer salts inside capsules require 100 mL of deionized or distilled water to produce a clear pH calibration solution accurate to ±0.02 pH (at 25°C) with traceability to NIST standards. Capsules are easier to store and transport than prepared aqueous buffer solutions. Capsules are color-coded for easy identification if mixed.

Store buffer solution in an airtight container at room temperature for three weeks. Unused capsules have a five-year shelf life. Each vial contains 10 capsules.

Fresh pH calibration solution anytime and anywhere

• Each capsule mixes with 100-mL of deionized water to create a clear, 7.00 pH solution

Includes

Ten green-colored capsules.

WD-00653-38 Conductivity and TDS Standard, 111,900 μS; 5 x 60 mL Bottles/Pk by Oakton

• KCl, NaCl and 442 conversions printed on the bottle for ease of use (excluded on 60-mL bottle, but included in insert)
• Temperature corrections are printed on the bottle, with certified values listed in tables and referenced to 25°C (excluded on 60-mL bottle, but included in insert)
• Manufactured under ISO 9000 quality guidelines and traceable to NIST standards
• If unopened, shelf life is 1 year. If opened recommended shelf life is 4 months
• Conductivity options range from 1 μS/cm to 200,000 μS/cm

Convenient 60-mL bottles come in a pack of five - ideal for field use. Grab one when you're on the go!

• All Oakton Conductivity and TDS Standards are traceable to NIST standard reference materials
• Solutions help you calibrate conductivity instruments to ensure accuracy
• Standard values given at 25°C
• Use when readings are expected to be around 111.9 mS/cm ((111,900 μS/cm)

WD-35420-01 RS-232 Interface Cable for Advanced pH/Ion Meters by Oakton

Replace electrodes when they break, no longer hold calibration, cannot be rehydrated, or are not compatible with your sample. For your convenience, cables, power adapters, and other accessories are available for your Oakton meters and pocket testers.

Works with 2700 and 450 meters.

WD-53024-53 Dissolved Oxygen Meter Zero Oxygen Sachets, 10/PK by Oakton

Replace electrodes when they break, no longer hold calibration, cannot be rehydrated, or are not compatible with your sample.

WD-00652-20 Traceable® Conductivity and TDS Standard, Batch-Tested, 1 μS; 500 mL by Oakton

• Oakton® Traceable® conductivity and TDS standards have detailed labels: KCl, NaCl, and 442 conversions, temperature corrections, and certified values referenced to 25°C-convenient!!
• Average accuracy at 25°C is ±0.25 microsiemens for 1, 5, 10 microsiemen (μS) solutions, or ±0.25% for all other solutions. The tested uncertainty is shown on the certificate, whichever is greater
• Conductivity options range from 1 to 200,000 μS/cm
• Batch-tested solutions are lot certified; a few bottles from a single lot are analyzed

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® conductivity standards are NIST-traceable reference materials
• Supplied with a calibration report from an ISO 17034 and ISO 17025 accredited laboratory
• These standard solutions let you calibrate conductivity instruments to ensure accuracy
• If unopened, shelf life is one year; once opened, shelf life will vary by solution value
• Use when readings are expected to be around 1 μS/cm

INCLUDES

temperature compensation chart, TDS conversion chart, and NIST-traceable calibration certificate with data.

WD-05991-36 All-in-One pH/ATC Probe, Refillable/DJ/Glass by Oakton

These glass 'All-in-one' pH/temperature electrodes offer more reliable and stable reading than epoxy versions. Amber glass bulb for low sodium error even in solutions with a pH greater than 12. Double-junction design assures longer life even with dirty or troublesome samples such as TRIS buffer or wastewater. A 2.5 mm mini audio plug combined with a thermistor for automatic temperature compensation input to your Oakton pH meter. Compatible with the following Oakton meters: handheld pH/Ion 5, 6, 11, 110 and benchtop 510, 700, 1100, 2100, and 2700.

Use these electrodes with most Oakton handheld or benchtop pH meters for accurate and reliable readings

• Refillable electrode provides more accurate pH measurement
• Amber glass bulb minimizes sodium error in high pH solutions
• Use at temperatures up 110°C

INCLUDES

1-m cable with BNC pH connection and 2.5 mm mini audio plug ATC connection

WD-00651-70 Traceable® pH Standard Buffer with Calibration, Clear, pH 4, 4 L 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
• 4 L (128 fl.oz.) capacity
• Calibrate at pH 4