XS Instruments COND 7 Plus - Table of Contents

2
7+Series Version 2.0
Index
Introduction ........................................................................................................................................................................ 4
Measurement parameters .................................................................................................................................................. 4
Basic features ...................................................................................................................................................................... 4
pH measurement features (suited for model pH7+DHS and PC7+DHS) ............................................................................. 4
Conductivity measurement features (suited for model COND7+ and PC7+DHS) ............................................................... 4
Data sheet ........................................................................................................................................................................... 5
Instrument Description ....................................................................................................................................................... 6
LCD Display ......................................................................................................................................................................... 6
Keypad Functions ................................................................................................................................................................ 6
Meter Connections ............................................................................................................................................................. 7
Stability indication .............................................................................................................................................................. 8
Parameter selection ............................................................................................................................................................ 8
Automatic Power Off .......................................................................................................................................................... 8
DHS Technology .................................................................................................................................................................. 8
pH Measurement ................................................................................................................................................................ 9
pH electrode information ................................................................................................................................................... 9
pH calibration consideration - Standard buffer solution ..................................................................................................... 9
Three-point calibration ....................................................................................................................................................... 9
Calibration Intervals ............................................................................................................................................................ 9
pH Meter Calibration ........................................................................................................................................................ 10
Customer calibration ........................................................................................................................................................ 11
example of 1.60pH and 6.50pH calibration solution ........................................................................................................ 11
Measurement ................................................................................................................................................................... 12
Self-diagnosis information ................................................................................................................................................ 12
Factory default setting ...................................................................................................................................................... 12
pH electrode maintenance ............................................................................................................................................... 13
Daily maintenance ............................................................................................................................................................ 13
Calibration buffer solution ................................................................................................................................................ 13
Protect glass bulb .............................................................................................................................................................. 13
Regenerate glass bulb ....................................................................................................................................................... 13
mV measurement ............................................................................................................................................................. 13
ORP ................................................................................................................................................................................... 14
Clean and activate ORP electrode ..................................................................................................................................... 14
Conductivity ...................................................................................................................................................................... 14
Conductivity cell ............................................................................................................................................................... 14
Conductivity cell constant ................................................................................................................................................. 14
Conductivity calibration solutions .................................................................................................................................... 14
Calibration intervals .......................................................................................................................................................... 15
1-point and multi-point calibration .................................................................................................................................. 15
Reference temperature ..................................................................................................................................................... 15