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Thermo Scientific
Orion Star A221 pH Portable Meter
Measure pH, mV, relative mV or ORP with temperature
Orion Star A222 Conductivity Meter
Measure conductivity, TDS, salinity or resistivity with temperature
Orion Star A223 RDO/DO Meter
Measure dissolved oxygen as % saturation or concentration with temperature using either
RDO
optical or polarographic DO sensors
®
Packing List
Orion Star A220 series portable meters include the following items:
4 AA batteries (installed)
·
Literature CD
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Printed quick start guide
·
Computer interface cable
·
Meter test certificate
·
Orion Star A220 series portable meter kits also include the portable meter armor and field case.
Each Orion Star A220 series meter is fully tested and certified by Thermo Fisher Scientific and
a certificate of calibration is included with each meter. For specific meter and kit contents, refer
to the Ordering Information section. Visit our website at
to download the complimentary Orion Star Com data transfer computer software and Star
A200/A300 series USB driver.
Intended Use
Please read this reference guide thoroughly. Any use outside of these instructions may
invalidate the meter warranty and cause permanent damage to the meter.
Chapter 1
www.thermoscientific.com/OrionMeters
Orion Star A220 Series Portable Meter User Manual
Meter Introduction
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