Both AG-5 and AG6/PH AGRI-METERS are calibrated in millimhos, the term most widely used by growers to express electrical conductivity. Some charts may read in other units called micromhos. However, since one millimho equals 1,000 micromhos, the conversion is easy. Parts per million (ppm) is also sometimes used. Conductivity/ppm fertilizer concentration tables can be obtained from your supplier, consultant, or university advisor.
The Myron L® Company FCE function reports FAC quickly and accurately by measuring ORP, the chemical characteristic of chlorine that directly reflects its effectivity, cross-referenced with pH. Both DPD kits and colorimeters may tell the user the FAC value of the sample in the test tube, but since the chemistry of that sample is quite different from the source water being analyzed, the results are imprecisely related to actual disinfection power. The Myron L® Company FCE function measures the real, unaltered chemistry of source water, including moment-to-moment changes in that chemistry.
Myron L® Company’s PoolPro provides a fast, precise, easy-to-use method of obtaining Oxidation Reduction Potential (ORP or REDOX) mV readings to check the true level of effectiveness of ALL sanitizers in any pool or spa. ORP
objectively and precisely measures sanitizer ability to burn up, or oxidize, organic matter in the water. ORP can
only be determined by an electronic instrument.
Ultrameter II model delivers the performance of ±1% of reading (not merely full scale). This high level of accuracy has been achieved through advanced four-electrode conductivity cell technology, a unique pH/ ORP sensor, and powerful
microprocessor-based circuitry. With displayed values of up to 9999, the full four-digit LCD ensures resolution levels
never before possible in such affordable instruments. Factory calibrated with NIST traceable solutions, each
Ultrameter II may be supplied with both certification of traceability and NIST traceable solutions for definitive calibration
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