Myron-l ARH1 User Manual

10-02 (WEB) EGMYRON LCOMPANYTechPro™OperationManualModel ARH1

Samples containing chlorine, sulfur, or ammonia can "poison" any pHelectrode. If it is necessary to measure the pH of any such sample,thorou

X. TROUBLESHOOTING CHART17Symptom Possible Cause Corrective ActionNo display, even though Battery weak or not connected. Check connections or replac

XI. ACCESSORIESA. Conductivity/TDS Standard SolutionsYour ARH1 has been factory calibrated with the appropriate Myron LCompany NIST traceable standard

varies with concentration and temperature in a non-linear fashion. Othersolutions have more variation still. The ARH1 uses corrections thatchange with

their solution, like the KCl favored by chemists for its stability. Users dealing with sea water, etc., use NaCl as the model for theirconcentration c

voltmeter circuit; the trick is to connect the voltmeter to solution on eachside.The glass surface encloses a captured solution of potassium chlorideh

XVI. GLOSSARYAnions - Negatively charged ions. See Solution Characteristics, pg. 21.Algorithm - A procedure for solving a mathematical problem.See T

Instrument Illustration11-12-99User selectable temperaturecompensationratios (SolutionSelection)Conductivity or TDS key: User selectable for either

FEATURES and SPECIFICATIONSA. Features• Superior resolution 3 1/2 digit LCD• Conductivity/TDS accuracy of ±1% of full scale• pH accuracy of ± .0

TABLE OF CONTENTSInstrument Illustration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1FEATURES and SPECIFI

I. INTRODUCTIONThank you for selecting the TechPro™ Series, Model ARH1, one of theMyron L Company’s latest in a new line of digital instruments utiliz

NOTE: After sampling high concentration solutions or temperatureextremes, more rinsing may be required. When sampling low conductivitysolutions, be su

correct icon, “µS” or “ppm”, should be shown on the right side ofthe display. 5. Replace bottom, ensuring the sealing gasket is installed in the groov

8. Replace bottom cap plug securely to maintain water resistance. The pH ZERO Calibration procedure is now complete. You may continue wi

D. pH Practices to Maintain Calibration.1. Keep the sensor wet with Myron L Storage Solution.2. Rinse away caustic solutions immediately after use.VII