Orion Star A111 pH Benchtop Meter

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Specifications Table

pH
Range	-2.00 to 16.00
Resolution	0.1, 0.01
Relative Accuracy	±0.01
pH Calibration Points	Up to 3
mV
Range – mV	±1600.0 mV
Range – RmV	±1999.9 mV
Resolution	0.1
Relative Accuracy	±0.2 mV or ±0.05% of reading whichever is greater
Relative mV Calibration	Yes
Temperature
Range	-5 to 105 °C, 23 to 221 °F
Resolution	0.1
Relative Accuracy	±0.1
Temperature Compensation	Automatic or manual
Temperature Offset Calibration	Yes
Datalogging
Number of Points	50
Log Function	Manual, Automatic with AUTO-READ™
Log Edit	Delete last reading or all
Inputs
pH Electrode	BNC
ATC Probe	8-pin mini-DIN
Power
AC Adapter	Included – universal, 100–240 VAC
Battery Power	Optional – 4 AAs
Battery Life	2000 hrs

Catalog Table

Cat. No.	Description
Meters Only
STARA1110	Orion STAR A111 pH Benchtop Meter - Electrode arm with redesigned holder - Universal power adapter
STARA1115	Orion Star A111 pH Benchtop Meter Kit - 9157BNMD Orion Triode 3-in-1 pH/ATC probe - Solution kit (60 mL each of pH 4, 7 and 10 buffers; storage solution and cleaning solution) - Electrode arm with redesigned holder - Universal power adapter
Accessories
STARA-BEA	Benchtop electrode arm for Orion Star A-series meters
STARA-HB	Freesanding base for use with Orion Star A-series benchtop electrode arm
9157BNMD	Orion Triode 3-in-1 pH/ATC probe, refillable, epoxy body
9107BNMD	Orion Triode 3-in-1 pH/ATC probe, gel-filled, epoxy body
910199	Orion Standard All-in-One pH buffer kit – 475 mL each of 4.01, 7.00 and 10.01 buffers and pH electrode storage solution with pH electrode storage bottle
910104	Orion pH 4.01 buffer, 475 mL
910107	Orion pH 7.00 buffer, 475 mL
910110	Orion pH 10.01 buffer, 475 mL
910001	Orion pH electrode storage solution, 475 mL
916099	Orion pH buffer assortment pack – 60 mL each of pH 4, 7 and 10 buffers; storage solution and cleaning solution D