$25 - $50, Oakton Instruments

WD-35653-02 "Singles" pH 7.00 Buffer Solution Pouches, 20 pouches per box each with 20 mL of solution 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

WD-00653-04 pH/ORP Electrode Storage Solution 500 mL (1-pint) Bottle by Oakton

Solutions to clean, store and fill electrodes

Electrode storage solution keeps pH/ORP electrode bulbs moist for faster, more accurate readings. Use storage solution with electrode saver bottle WD-35805-50 (included with all Oakton 12 mm electrodes) to extend the life of your electrode and maintain accurate readings. Accepts pH electrodes up to 12 mm in dia.

General-purpose pH/ORP electrode cleaning solution removes build-up from electrodes and maintains electrode sensitivity.

Storage and cleaning solutions come in 1 pint bottles.

Use the reference fill solutions with refillable pH electrodes.

• Extend the life of your electrodes and maintain accurate readings
• Use cleaning and storage solution with any pH or ORP electrodes

WD-35653-10 447 µS Conductivity/TDS "Singles" Calibration Solution Pouch, 20 Pouches each with 20 mL of solution by Oakton

Choose from economical 1-pint solution bottles or individually sealed Singles calibration pouches.

All OAKTON Conductivity/TDS calibration solutions are cross checked using different test methods, premixed, and ready to use.

OAKTON conductivity/TDS solution bottles are labeled with the name and CAS number for all ingredients to conform with Right-to-Know requirements, and includes an MSDS. Solutions come in one pint bottles. Dimensions: 7.75"H x 2.25" dia. Shpg wt: 1.1 lbs.

OAKTON Conductivity Singles 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. Pouches are labeled with equivalent values for ppm in KCl, NaCl and 442 and Conductivity values at 25°C and CAS numbers for Right-to-Know requirements. 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
• ±1% accuracy at 25°C