Summary of Contents for Thermo Scientific Orion Star A111
Page 1
Thermo Scientific Orion Star A111 Benchtop and Star A121 Portable pH Meters Reference Guide...
Page 2
Ross and the COIL trade dress are trademarks of Thermo Fisher Scientific, Inc. and its subsidiaries. AQUAfast, AQUASensors, BOD AutoEZ, ionplus, KNIpHE, LogR, No Cal, ORION, perpHect, PerpHecT, pHISA, pHuture, Pure Water, Sage, ROSS, ROSS Ultra, Sure-Flow, Titrator PLUS, and TURBO2 are registered trademarks of Thermo Fisher Scientific, Inc.
Thermo Scientific Orion Star A111 Benchtop and Star A121 Portable pH Meters Table of Contents Chapter 1 Introduction ............1 Chapter 2 Meter Overview .
Chapter 1 Introduction Thank you for your purchase of the Orion Star A111 benchtop pH or Star A121 portable pH meter. These meters are capable of measure pH, raw millivolts (mV), relative millivolts (Rmv), oxidation-reduction potential (ORP) and temperature. The Orion Star A111 benchtop pH meters are IP54-rated. The Orion Star A121 portable pH meters feature a waterproof, IP67-rating.
Connections 1. Power source: a. Power adapter (included with Orion Star A111 benchtop pH meters, sold separately for Star A121 portable pH meters) – Select the appropriate wall socket plug. Slide off the clear plastic cover, and slide on the plug plate into the groove on the back of the adapter.
Primary display Larger, lower display shows measured value in selected mode. Instructions Located below the primary display. These phrases aid in the setup menu and calibration modes. Thermo Scientific Orion Star A111 Benchtop and Star A121 Portable pH Meters...
Meter maintenance can be performed on a daily, weekly or monthly basis, as required by the environment in which the meter is operated. Immediately remove any spilled substance from the meter using the proper cleaning procedure for the type of spill. Thermo Scientific Orion Star A111 Benchtop and Star A121 Portable pH Meters...
Page 10
This page intentionally left blank. Thermo Scientific Orion Star A111 Benchtop and Star A121 Portable pH Meters...
7.0 Factory Reset a. Press until the desired option is shown. b. Press to save your selection. 4. Press to exit the setup menu and return to measurement mode. Thermo Scientific Orion Star A111 Benchtop and Star A121 Portable pH Meters...
Page 12
This is the slope data from the last calibration. SLP.2, SLP.2 and SLP.A (average slope) will only show SLP.A if 3 points are calibrated. Press to scroll between them. Thermo Scientific Orion Star A111 Benchtop and Star A121 Portable pH Meters...
Page 13
The default is no. Before selecting yes, please make settings to the sure any data that you would like to keep has been factory defaults and recorded. deletes all stored data (calibration and datalog). Thermo Scientific Orion Star A111 Benchtop and Star A121 Portable pH Meters...
If a 3-point calibration was done, press to view the second slope segment, and again to display the average slope (SLP.A). 3. Press to return to measurement mode. Thermo Scientific Orion Star A111 Benchtop and Star A121 Portable pH Meters...
, place electrode (and ATC probe, if separate) into the next sample and repeat steps 3 and 4. 5. When finished measuring all samples, store electrode according to electrode instructions. Thermo Scientific Orion Star A111 Benchtop and Star A121 Portable pH Meters...
3. Remove the electrode (and ATC probe, if separate) from the sample, rinse with distilled water, blot dry. To continue taking measurements repeat steps 2 through 4. 4. When finished measuring all samples, store electrode according to electrode instructions. Thermo Scientific Orion Star A111 Benchtop and Star A121 Portable pH Meters...
Note: The calculated offset will be applied to all future temperature readings. To abort, press to end without saving and return to the measurement mode. 4. When finished, press to save and end calibration. Thermo Scientific Orion Star A111 Benchtop and Star A121 Portable pH Meters...
Page 18
This page intentionally left blank. Thermo Scientific Orion Star A111 Benchtop and Star A121 Portable pH Meters...
Chapter 5 Data Storage and Review Orion Star A111 benchtop pH and Star A121 portable pH meters have a 50 point datalog. Manual Datalog with Continuous Read Mode 1. In measurement mode, press 2. Press three times until “4.0” is shown on the top line and “READ” is shown on the lower line. Press 3.
Viewing Stored Readings (the Data Log) 1. In measurement mode, press 2. Press to scroll through the memory points. 3. Press to review the reading stored at that point. Thermo Scientific Orion Star A111 Benchtop and Star A121 Portable pH Meters...
If the existing memory’s data can be deleted: 1. Press change to “YES”. 2. Press to clear the datalog. Thermo Scientific Orion Star A111 Benchtop and Star A121 Portable pH Meters...
Thermo Scientific Orion products that may assist the detection of substances subject to the RoHS Directive are available at www.thermoscientific.com. Thermo Scientific Orion Star A111 Benchtop and Star A121 Portable pH Meters...
Safety requirements for electrical equipment for measurement, CAN/CSA C22.2 No. 61010-1-04 control and laboratory use - general requirements Cheow Kwang Chan Place and Date of Issue: QA/Regulatory Manager June 15, 2011 Singapore Thermo Scientific Orion Star A111 Benchtop and Star A121 Portable pH Meters...
RmV: ±1999.9 mV Resolution Relative Accuracy ±0.2 mV or ±0.05 % of reading whichever is greater Temperature Range -5 to 105°C Resolution Relative Accuracy ±0.1 Offset Calibration 1 point Thermo Scientific Orion Star A111 Benchtop and Star A121 Portable pH Meters...
Automatic pH Buffer Recognition Feature The Orion Star A111 benchtop pH and Star A121 portable pH meters are capable of automatically recognizing pH 1.68, 4.01, 7.00, 10.01 and 12.46 buffers or pH 1.68, 4.01, 6.86, and 9.18 buffers during a pH calibration, depending on the pH buffer set that is selected in the setup menu.