Meter Specifications .................................................................................................................. 93
Ordering Information .................................................................................................................. 99
V
ERSA
S
TAR
Selectable Meter Components ..................................................................... 99
V
ERSA
S
TAR
Preconfigured Meter Systems ...................................................................... 99
V
ERSA
S
TAR
Meter Accessories, Electrodes and Solutions ............................................ 101
Appendix A Channel Specific Settings and Features .......................................... 104
General Mode Settings ............................................................................................................ 104
Sample ID ...................................................................................................................... 104
Stability ........................................................................................................................... 105
Averaging ....................................................................................................................... 105
Alarms ............................................................................................................................ 105
pH and ISE Mode Settings ...................................................................................................... 106
Buffer Group and Automatic Buffer Recognition ............................................................ 106
Isopotential Value ........................................................................................................... 107
Linear Regression .......................................................................................................... 108
Blank Correction ............................................................................................................. 109
Low Level Stability ......................................................................................................... 110
LogR Temperature Technology ............................................................................................... 111
LogR Temperature Accuracy ......................................................................................... 111
Advanced pH Electrode Diagnostics using LogR Technology ....................................... 112
Conductivity, TDS, Salinity and Resistivity Mode Settings....................................................... 116
Cell Constant (K) and Automatic Conductivity Calibration ............................................. 116
Orion Conductivity Standard Values from 0 °C to 50 °C ................................................ 117
Reference
Temperature, Temperature Compensation and Temperature Coefficient .... 119
Cell Type ........................................................................................................................ 120
TDS Factor ..................................................................................................................... 120
Salinity Type ................................................................................................................... 120
Dissolved Oxygen Settings ...................................................................................................... 121
Barometric Pressure Compensation .............................................................................. 121
Salinity Correction .......................................................................................................... 121
1
Meter Introduction
Meter
Overview
Thermo
Scientific
™
Orion
™
V
ERSA
S
TAR
™
meters offer four channels that can be
configured in
any combination through their modular design. Measurement modules are automatically
recognized by the meter and can be added or removed from channels at any time.
Five V
ERSA
S
TAR
measurement modules are available:
·
VSTAR-PH module
measures pH, mV, relative mV or ORP with temperature
·
VSTAR-ISE module measures concentration using an ion selective electrode (ISE), pH,
mV, relative mV or ORP with temperature
·
VSTAR-LR module measures pH, mV or ORP with temperature, including LogR
technology that measures sample temperature using a glass-bulb pH electrode – no
separate ATC probe
needed in samples
·
VSTAR-CND module
measures conductivity, TDS, salinity or resistivity with temperature
·
VSTAR-RD module measures dissolved oxygen as percent saturation or concentration
with temperature using either RDO
®
optical or polarographic probes
Get the information you need quickly and easily from the large, bright color display, which can
be personalized to show only the measurements and information you need. Display one to four
measurements simultaneously in any combination.
When setting up the meter or performing a
calibration, step-by-step instruction prompts and a
numeric keypad with menu-specific function keys make meter operation fast and simple. The
meter interface can be set to a variety of languages.
C H A P T E R 1
6
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Orion V
ERSA
S
TAR
Meter User Manual
Thermo
Scientific