EquipmentMetrologyThermo Scientific Orion Star A221 PH Portable Meter

Thermo Scientific Orion Star A221 pH Portable Meter


Thermo Scientific Orion Star A221 pH Portable Meter
Reliably measure pH, mV, ORP and temperature with the Thermo Scientific™ Orion™ Star A221 pH Portable Meter for advanced field analysis and printer or computer interfacing
Don’t leave your measurements to chance when analyzing samples outside the lab. Orion Star A221 pH portable meters are designed to offer the reliability you need in a user-friendly package for your dedicated pH testing needs. This waterproof portable meter displays critical data with your measurement including temperature, date and time, read type, measurement stability, active calibration info and power source status.
Measure pH, mV, relative mV or ORP with temperature
Perform up to a five point pH calibration using automatic buffer recognition of NIST or DIN buffer groups with choice to manually enter custom buffer values
Informative, easy-to-read backlit graphic display with clear onscreen instructions simplifies operation
Capture your critical readings with measurement stability indicator and selectable read modes – Auto-Read holds a stable reading and Continuous shows changing readings with hold option 
Data log collects and date/time stamps up to 1000 measurement sets
Non-volatile meter memory ensures your data and settings are protected, even with loss of power
Orion Star Com software facilitates data transfer to a computer via USB or RS232 connections
Flexible power options with AA batteries or optional universal power adapter 
IP67-rated housing is waterproof for rugged field operation 
Accuracy (mV) ±0.2 mV or ±0.05% of reading whichever is greater
Accuracy (pH) ±0.002pH
Accuracy (Temperature) ±0.1°C
Alarm Output Calibration due alarm (fixed 12 hour)
Backlight Option Yes, selectable
Battery Life 800 hours
Battery Type Four AA (included)
Calibration pH, relative mV (RmV), ORP and temperature
Calibration Points 1 point relative mV (RmV) mode, 1 point ORP mode
Calibration Points (pH) 1 to 5
Certifications/Compliance CE, TUV 3-1, FCC Class A
Channels 1
Data Management Details Transfer single, range or all data points to printer or computer
Data Points 1000 with date and time stamp
Display Type Graphic LCD with backlight
Dimensions (L x W x H) 24cm x 10cm x 6.5cm
Serial# K03555
Supplied in original packaging
Probes and Power Adapters available from Fisher Scientific


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The pictures you are looking at are of the Thermo Scientific Orion Star A221 pH Portable Meter. This is the actual item you are buying, they are not downloaded or copied from any other source.
All information given on this website is correct at the time of publication. However in the interests of technical progress, design specifications are subject to change without notice. Accordingly, data given herein should be regarded as a general guide only and does not form part of any contract. All goods are supplied in accordance with our standard terms and conditions of sale. If you need more information on using this equipment check out The Laboratory Encyclopedia.
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