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  4065-4270
  Traceable® Conductivity Standards (CRM)
  • Certified Reference Material
  • Traceable® Certificate comes with each bottle
  • Highest accuracy available
 
Starting at $ 24.45
Specifications: 16 ounce solution · Accuracy at 25°C is the uncertainty shown on the certificate or the following, whichever is greater: ±0.25 microsiemen (micromho) for the 1, 5, 10 values; ±0.25% for all other values · Traceable® Certificate supplied  

Traceable® Conductivity Standards (CRM) Complete Description

Use Standards with all meters
Traceable® Conductivity Standards, a Certified Reference Material, are 100% compatible with all makes of instruments and probes. Traceable® Conductivity Standards are the most accurate available. Accuracy at 25°C is (±0.25 microsiemens for 1, 5, 10 microsiemen solution or ±0.25% for other solutions) or the uncertainty shown on the certificate, whichever is greater. Each bottle is labeled for calibrating conductivity (microsiemens/micromhos), resistivity (ohms), and dissolved solids (parts per million).

Methods supported
This 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® Certified Reference Material 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.

Double A2LA accreditation ISO 17025 and ISO Guide 34 plus ISO 9001
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. Double A2LA accredited certification provides the highest achievable level of quality assurance, documentation, and accuracy. Certified Reference Materials are produced in an A2LA accredited ISO 17025 calibration laboratory by an A2LA accredited ISO Guide 34 reference material producer. Additional accreditations include ISO 31 (certificate content) and ISO 35 (statistical analysis), plus ISO 9001 (certified quality manufacturer).

Each bottle is supplied with step-by-step calibration instructions, individual temperature compensation chart, traceability information, and Traceable® Certificate. Supplied in a 16-ounce bottle.

Control Company Conductivity Standards Certified Reference Material (CRM)

TRACEABLE® CONDUCTIVITY STANDARDS
Cat. No.
NIST/ISO Guide 34, ISO 17025/A2LA Cert
Cat. No.
NIST/ISO 17025/A2LA Cert/
Individually Tested
Microsiemens/
Micromhos
Megohms TDS / PPM
4274 4574 1.00 1 .66
4270 4570 5.00 0.2 3.3
4065 4565 10.00 0.1 6.6
4066 4566 100.0 0.01 66
4067 4567 1000 0.001 666
4173 4573 1413 0.00071 933
4068 4568 10000 0.0001 6666
4069 4569 100000 0.00001 66666
4161 4561 150000 0.000006 100000
4162 4562 200000 0.000005 133333

Above listings are nominal values. A certificate of analysis is provided for actual lot values. To view additional Conductivity Standards click here

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