CONTENTS
GENERAL INTRODUCTION…………………................2
INITIAL INSPECTION……...………………....................2
POWER INPUT…….……...………………......................2
INSTALLING THE BATTERIES..…………....................3
DISPLAY & KEYS FUNCTIONS…..……………..…...…..…3
A. Display ......................................................................3
B. Keys...........................................................................4
OPERATIONAL PROCEDURES..……..........................5
A. Buffer Set Selection.....................................................5
B. pH Calibration.............................................................6
a. Calibration with an ATC/Temp probe in the pH-AUTOLOCK
mode........................................................................6
b. Calibration with manual temperature compensation in the
pH AUTOLOCK mode....................................................7
c. Calibration with an ATC/Temp probe in the pH NON-
AUTOLOCK mode........................................................8
d. Calibration with manual temperature compensation in the
pH NON-AUTOLOCK mode..............................................9
C. pH Measurements........................................................9
a. Measurement with an ATC/Temp probe in the pH-AUTOLOCK
mode........................................................................9
b. Measurement with manual temperature compensation in the
pH AUTOLOCK mode..................................................10
c. Measurement with an ATC/Temp probe in the pH NON-
AUTOLOCK mode......................................................10
d. Measurement with manual temperature compensation in the
pH NON-AUTOLOCK mode............................................11
D. Temperature Measurements.......................................11
E. mV Measurements.....................................................11
a. Measurement in the mV-AUTOLOCK mode....................11
b. Measurement in the mV NON-AUTOLOCK mode.............11
pH BUFFERS..…………………………….....................12
ERROR DISPLAYS AND TROUBLESHOOTING.......13
SPECIFICATIONS………………..……........................14
WARRANTY…………………………….........................15