North America
166 Cummings Center
Beverly, MA 01915 USA
Toll Free: 1-800-225-1480
Tel: 1-978-232-6000
Dom. Fax: 1-978-232-6015
Int’l Fax: 978-232-6031
Europe
Denmark House, Angel Drove
Ely, Cambridgeshire
England, CB7 4ET
Tel: 44-1353-666111
Fax: 44-1353-666001
Asia Pacifi c
Blk 55, Ayer Rajah Crescent
#04-16/24, Singapore 139949
Tel: 65-6778-6876
Fax: 65-6773-0836
www.thermo.com/water
Environmental Instruments
Water Analysis Instruments
©2008 Thermo Fisher Scientifi c Inc. All rights reserved. All trademarks are the property of Thermo Fisher Scientifi c Inc.
and its subsidiaries. ROSS and the COIL trade dress are trademarks of Thermo Fisher Scientifi c Inc.
DI
A
B
C
D
E
F
G
English
Preparation
1. Power adapter (benchtop meters only) – Select the appropriate wall outlet plug
and slide the plug plate into the groove on the back of the adapter.
See A
.
Batteries – Select four AA alkaline batteries. Confi rm that the meter is off and
remove the battery cover. Orient and insert the batteries as depicted in the
battery compartment housing. Replace the cover.
See B and C
.
2. Prepare the conductivity probe according to the directions in the conductivity
probe user guide. In general, this includes rinsing the cell with deionized
water.
See D
.
3. Meter connections – Connect the power adapter to the meter and then to the
wall outlet (benchtop meters only).
See E
. Connect the conductivity probe to
the 8 pin miniDIN input on the meter.
See F
. Connect the stirrer probe to the
stir jack input on the meter (benchtop meters only).
See G
.
Note:
All unused inputs on the meter should be covered with the black caps.
Meter Overview
1. To power on the meter, press the
power
key.
2. Press
the
line select
key to choose the top, middle or bottom display line.
The icon will point to the selected line.
3. In the measurement mode, press the
up arrow
or
down arrow
key to change
the measurement units on the middle display line to conductivity (μS/cm
or mS/cm), total dissolved solids (mg/L), salinity (ppt), resistivity (MΩ-cm),
temperature (no icon) or a blank line.
4. To escape out of any meter function, press and hold the
measure
key until the
meter returns to the measurement mode.
5. The 3-Star Plus, 4-Star Plus and 5-Star Plus conductivity meters can perform a
one point manual calibration, up to a three point automatic calibration or up to
a fi ve point direct calibration.
Key Description
power
up arrow
line select
stir
(benchtop
meters only)
calibrate
down arrow
setup
measure
digit
view log
Meter Connections
All connectors on the 5-Star Plus benchtop meter are depicted above. All connectors on the 5-Star
Plus portable meter are highlighted in gray.
The 3-Star Plus and 4-Star Plus meters will have fewer connectors. For example, the 3-Star Plus
portable conductivity meter will only have 8 pin miniDIN and RS232 connectors.
For the complete Orion Star
™
and Star Plus meter user guide, visit www.thermo.com/water.
Thermo Scientifi c
Orion Star
™
Plus Conductivity Meter
Quick Start Guide
257311-001 Rev. A 07-08
Cond
Stir Jack – Stirrer or
DO AUTO-STIR
™
Probe
Pin Tip –
Reference
BNC – pH,
ORP or ISE
8 Pin MiniDIN –
ATC or Cond
9 Pin
MiniDIN – DO
RS232
Ground
Power
