Myron-l TH1 Uživatelský manuál

06 January 10 TECHPRO OperationManualMODELS TPH1, TP1 & TH1™

6III. RULES of OPERATION A. OperationUsing the instrument is simple:• Individual or multiple parameter readings may be obtained by lling indi

7 b. TDS KeyA press of displays Total Dissolved Solids with units on the right. This is a display of the concentration of material calc

8IV. AFTER USING the TechPro II A. Maintenance of the Conductivity Cell (TPH1& TP1)Rinse out the cell cup with clean water. Do not scrub the

96. IMPORTANT: After use, ll pH sensor well with Myron L pH Sensor Storage Solution and replace protective cap. If Myron L pH Sensor Storage S

103. Use the or key to select type of solution desired (ref. Solution Characteristics, pg. 28). The selected solution type will be displayed:

11To bypass a calibration step, simply press to accept the present value as is. b. Leaving CalibrationCalibration is complete when the “C

12 2. Reloading Factory Calibration (Cond or TDS)If calibration is suspect or known to be incorrect, and no standard solution is available, the ca

13will ash, and the TechPro II will not adjust. The uncalibrated pH value displayed in step 4 will assist in determining the accuracy of th

14NOTE: If the “Acd” and “bAS” indicators are blinking, the unit is indicating an error and needs either an acid or base solution present in the senso

15 B. Calibration Tracking RecordsTo minimize your calibration effort, keep records. If adjustments you are making are minimal for your app

TechProTPH1BUFFER°C °FTDSpHCOND06 jan 10Wrist/neck strap slot (strap user supplied)pH SensorProtective CapUp key/Memory StoreDown key/Memory Recall

16 A. Memory Storage1. While displaying a measurement, press to record the displayed value.2. “MEMORY” will appear and the temperature displ

173. Fill pH sensor well with sample. 4. Press to measure sample and press to store reading in location #3.5. The next memory stored will go i

181. Press .2. Press repeatedly until “tc On” is displayed (see Figures 10 and 11).3. Press ; the display will change to “tc OFF”.4.

19Note: Choice will determine whether the units are displayed in mS or PPT. COND = mS or TDS = PPT.2. Press repeatedly until “SALt OFF” is

20Solvents should be avoided. Shock damage from a fall may cause instrument failure. A. Temperature ExtremesSolutions in excess of 71

21 chloride (KCI) solution (Myron L pH Sensor Storage Solution)— HOT tap water with table salt (NaCl) will work ne — in the sensor well and al

22SymptomNo display, eventhough measurementkey pressedInaccurate pH readings (TPH1)No response topH changes (TPH1)Will not adjust downto pH 7 (TPH1

23Corrective ActionCheck connections or replace battery (ref. Battery Replacement, pg. 20).1. Recalibrate instrument. 2. Thoroughly rinse s

24XVI. ACCESSORIES A. Conductivity/TDS Standard Solutions (TPH1 & TP1)Your TechPro II has been factory calibrated with the appropriate Myron L

25 D. Soft Protective Carry CasesPadded Nylon carrying case features a belt clip for hands-free mobility. Two colors to choose from;Blue - Model #:

iTechProTPH1BUFFER°C °FTDSpHCOND06 jan 10Wrist/neck strap slot (strap user supplied)pH SensorProtective CapUp key/Memory StoreDown key/Memory Recal

26 C. An Example of 2 different solution selections and the resulting compensationHow much error results from treating natural water as if it we

27Users wanting to measure natural water based solutions to 1% would have to alter the internal compensation to the more suitable preloaded “442” v

28XVIII. CONDUCTIVITY CONVERSION to TOTAL DISSOLVED SOLIDS (TDS) (TPH1 & TP1)Electrical conductivity indicates solution concentration a

291. If NaCl compensation is used, an instrument would report 1035 µS compensated, which corresponds to 510 ppm NaCl.2. If 442 compensation is

30A 4% solution of acetic acid (pH 4, vinegar) can be quite palatable, but a 4% solution of sulfuric acid (pH 0) is a violent poison. pH provides the

31Figure 15 shows a typical 2 component pair.Migration does occur, and this limits the lifetime of a pH junction from depletion of solution inside the

32XXI. SOFTWARE VERSIONContact the Myron L Company to see if a software upgrade is available. 1. Press any measurement key.2. Press key until th

33XXII. GLOSSARYAnions Negatively charged ions. See Solution Characteristics, pg. 28.Algorithm A procedure for solving a mathematical probl

34XXIII. ADDENDUM

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36XXIV. NOTES

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MYRON L COMPANY2450 Impala DriveCarlsbad, CA 92010-7226 USATel: +1-760-438-2021Fax: +1-760-931-9189 E-Mail: [email protected] [email protected]

1I. INTRODUCTIONThank you for selecting the feature-packed TechPro II™, one of the Myron L Company’s latest in an increasing line of inst

2II. FEATURES and SPECIFICATIONS A. Features• Ranges: Conductivity/TDS — 0- 20,000 µS/ppm (TPH1 & TP1) pH — 0 -14 (TPH1 & TH1)• Sup

3 C. Specication Chart pH (TPH1 & TH1)Conductivity TDS TemperatureRanges 0-14 pH 0-9999 µS/cm 10-20 mS/cm in 3 autoranges0-9999 ppm 10-20 ppt

4TABLE OF CONTENTSInstrument Illustration ... iI. INTRODUCTION ... 1II. FEATURES

5IX. MEMORY........... 15 A. Memory Storage ....... 16 B. Memory Recall ......