Owner's manual

4
TABLE OF CONTENTS
Instrument Illustration ...................................... i
I. INTRODUCTION ................................... 1
II. FEATURES and SPECIFICATIONS .................... 2
A. Features ................................ 2
B. General Specications ..................... 2
C. Specication Chart ........................ 3
D. Warranty/Service ......................... 3
E. TechPro II Series Models ................... 3
III. RULES of OPERATION.............................. 6
A. Operation ............................... 6
B. Characteristics of the Keys .................. 6
C. Operation of the Keys ...................... 6
1. Measurement Keys in General ......... 6
2. COND and TDS Keys (TPH1 & TP1) .... 6
3. pH Key (TPH1 & TH1) ............... 7
4. CAL/MCLR Key .................... 7
5. UP or DOWN Keys .................. 7
IV. AFTER USING the TechPro II ........................ 8
A. Maintenance of the Conductivity Cell
(TPH1 & TP1) ........................ 8
B. Maintenance of the pH Sensor (TPH1 & TH1) ... 8
V. SPECIFIC RECOMMENDED MEASURING PROCEDURES .. 8
A. Measuring Conductivity/Total Dissolved Solids .. 8
B. Measuring pH (TPH1 & TH1) ................ 8
VI. SOLUTION SELECTION (TPH1 & TP1) ................. 9
A. Why Solution Selection is Available ........... 9
B. The 3 Solution Types....................... 9
C. Calibration of Each Solution Type............. 9
D. Procedure to Select a Solution ............... 9
VII. CALIBRATION ................................... 10
A. Calibration Intervals ...................... 10
B. Rules for Calibration of the TechPro II . . . . . . . . 10
1. Calibration Steps .................. 10
2. Calibration Limits .................. 11
C. Calibration Procedures
1. Conductivity or TDS Calibration
(TPH1 & TP1) ................. 11
2. Reloading Factory Calibration ........ 12
3. pH Calibration (TPH1 & TH1) ......... 12
VIII. CALIBRATION INTERVALS ......................... 14
A. Suggested Intervals ...................... 14
B. Calibration Tracking Records ............... 15
C. Conductivity or TDS Practices (TPH1 & TP1)... 15
D. pH Practices (TPH1 & TH1) ................ 15
(TPH1 & TP1)
(TH1)
(TPH1 & TH1)