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  • SKU442-500Q
  • Manufacturer Myron L

Not In Stock


TDS Calibration Solution

Myron L Part Number 442-500Q

Old AMI Part Number:  T-TC0500


442 Natural Water™ Standard Solution is NIST Traceable and is used in calibrating many test instruments. It is the best choice when measuring boiler and cooling water samples, city water supply, lakes, wells, etc. "442" refers to the combination of salts mixed with deionized water to comprise this standard: 40% sodium sulfate, 40% sodium bicarbonate, 20% sodium chloride. A combination of standard salts is necessary since natural water salt type and concentration can vary greatly by location.

  • Calibration Value: 500 PPM

  • Accuracy: +/- 1%

  • Volume: 1 Quart

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