Hanna Instruments HI2550 User Manual

3
PRELIMINARY EXAMINATION ..........................................................4
GENERAL DESCRIPTION .................................................................. 4
FUNCTIONAL DESCRIPTION .............................................................5
SPECIFICATIONS ............................................................................ 6
OPERATIONAL GUIDE .....................................................................8
AUTO‑RANGING ........................................................................... 12
pH CALIBRATION .........................................................................13
pH BUFFER TEMPERATURE DEPENDENCE ......................................18
RELATIVE mV CALIBRATION ..........................................................19
EC/TDS CALIBRATION ................................................................... 19
CONDUCTIVITY VERSUS TEMPERATURE CHART ............................... 21
NaCl CALIBRATION .......................................................................22
GOOD LABORATORY PRACTICE (GLP) ..............................................23
LOGGING FUNCTION .....................................................................28
SETUP ........................................................................................35
TEMPERATURE CALIBRATION (FOR TECHNICAL PERSONNEL ONLY)42
mV CALIBRATION (FOR TECHNICAL PERSONNEL ONLY) ...................44
PC INTERFACE .............................................................................45
ELECTRODE CONDITIONING AND MAINTENANCE ............................. 51
TROUBLESHOOTING GUIDE ..........................................................54
TEMPERATURE CORRELATION FOR pH SENSITIVE GLASS ................. 55
ACCESSORIES .............................................................................. 56
TABLE OF CONTENTS

Hanna Instruments HI2550 Specifications

General

Brand	Hanna Instruments
Model	HI2550
Category	Measuring Instruments
Language	English