Manual

TABLE OF CONTENTS

Instrument Illustration .......................................i

Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

I. GENERAL WARNINGS AND CAUTIONS................3

II. INTRODUCTION ..................................5

III. FEATURES and SPECIFICATIONS.....................6

A. Features ................................6

B. GeneralSpecications......................6

C. SpecicationChart ........................7

D. Warranty/Service ..........................7

E. Dialysate Meter Models .....................7

IV. INITIAL CALIBRATION and FACTORY SETTINGS ........8

V. RULES of OPERATION..............................9

A. Operation................................9

B. Characteristics of the Keys ..................9

C. Operation of the Keys ......................9

1. Measurement Keys in General .........9

2. COND, RES and TDS Keys ...........9

3. pH and ORP Keys (D-6) .............10

4. CAL/MCLR Key.................... 11

5. UP or DOWN Keys ................. 11

VI. AFTER USING the Dialysate Meter ................... 11

A. Maintenance of the Conductivity Cell ......... 11

B. Maintenance of the pH/ORP Sensor ..........12

VII. SPECIFIC RECOMMENDED MEASURING

PROCEDURES ...................................12

A. Measuring Conductivity & Total Dissolved

Solids (TDS) .............................12

B. Measuring Resistivity......................13

C. Measuring pH (D-6) .......................13

D. Measuring ORP (D-6) .....................13

VIII. ORP UNIT SELECTION (D-6) mV OR PPM FREE CHLORINE...14

IX. SOLUTION SELECTION............................15

A. Why Solution Selection is Available........... 15

B. The 3 Solution Types......................15

C. Calibration of Each Solution Type ............15

D. Procedure to Select a Solution ..............15

X. CALIBRATION ...................................16

A. Proper Handling of Reference Solutions .......16

B. Calibration Intervals.......................17

C. Rules for Calibration of the Dialysate Meter ....17

1. Calibration Steps...................17

2. Calibration Limits...................18

D. Calibration Procedures ....................19

1. Conductivity or TDS Calibration .......19

2. Resistivity Calibration ...............19