Full specifications ▼

Model	Orion Star T940
Type	Acid/base, redox and ion titrator
Description	Orion Star T940 all-in-one titrator without electrode
Includes	20 mL burette, stirrer probe, dispenser probe, standard tubing kit, 1 L plastic bottle, GL38 bottle cap with two ports, desiccant tube, computer cable, literature on USB drive, 110-240 V power supplies
Applications	Acid-base titrations, redox titrations, ion concentration titrations
Functions Available	Sample titration, titrant standardization, calibration and direct measure
Advanced ISE Functions	Multiple known addition (MKA); automated calibration and calculation of sample concentration by adding aliquots of standard to sample using the burette
Titration Technique	Equivalence point or preset endpoint
Equivalence Points	1 to 2
Preset Endpoints	1 to 3
Titration Types	Direct or back titration
Blank Options	Fixed value or variable value using titration
Cycles Per Titration Run	1 to 5 cycles, option to exclude cycle results from average results and RSD calculations
Titrant Determination	Standardization titration or manual concentration input
Titration Process Control	Routine, quick, careful or user defined
Precision	0.5% RSD, dependent on environment and handling conditions
Titration Setup Wizard	Yes, using Start a New Titration workflow
Burette Sizes	10 mL, 20 mL (included) or 50 mL
Burette Functions	Automatic rinse cycles for flushing and discrete dispense volume with continuous option; Exceeds accuracy requirements of ISO8655-3
Resolution	Burette drive offers advanced micro-step technology that provides 25,600 micro-steps per motor revolution for smooth and precise burette positioning (over 2 million micro-steps over the full burette stroke range)
Stirrer Probe Speeds	5 user selectable speeds (250 to 3700 RPM)
Methods	Up to 10 methods with optional password protection; import/export methods via USB flash drive
Data Points	100 data sets each: sample titration, titrant standardization, calibration and direct measure
Data Management Details	Data log export as CSV or PDF file, short or long format
Sample ID	Auto-incremental, manual or off
Time and Date	Yes, with nonvolatile battery backup
Memory	Non-volatile memory preserves data logs and settings
Updateable Firmware	Yes, using USB flash drive
Alarm Output	Notifications for Titration Cycle Complete, Maximum Titrant Volume, Data Log Full, Calibration Due, Maintenance Reminder
Range (pH)	-2.000 to 20.000
Resolution (pH)	0.001, 0.01, 0.1 (user selectable)
Accuracy (pH)	±0.002pH
Range (ISE)	0.0001 to 19990
Resolution (ISE)	0.0001 minimum, 1 to 4 significant digits (user selectable)
Accuracy (ISE)	±0.2 mV or ±0.05% of reading, whichever is greater
mV Range	-2000.0 to +2000.0 mV
Resolution (mV)	0.1 mV
Accuracy (mV)	±0.2 mV
Range (Temperature)	-5.0 to 100.0 °C; 23.0 to 212 °F
Resolution (Temperature)	0.1 °C
Accuracy (Temperature)	±0.2 °C
Calibration	pH, mV, ion concentration (ISE) and temperature
Calibration Points (pH)	1 to 5 points
Calibration Points (ISE)	1 to 5 points
Calibration Points	1 point relative mV (RmV) mode
Temperature Probe Calibration	Optional 1 point offset calibration
Temperature Selection	Manual or automatic
Display Type	5.7” color capacitive touchscreen, 640 x 480 resolution
Backlight Option	Yes, adjustable
Languages	Chinese, English, French, German, Italian, Japanese, Korean, Portuguese and Spanish
Material	ABS plastic
Channels	1
Probe Type	pH electrode, redox electrode or ion selective electrode (ISE); reference half-cell electrode; ATC temperature probe; stirrer probe
Inputs	BNC (pH, redox or ion selective electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), stirrer input (stirrer probe)
Outputs	3 USB ports for printer, USB flash drive and computer software connections
Certifications/Compliance	CE, TUV 3-in-1, FCC, EN/EIC61326-1, IEC 61010
IP Rating	IP-51
Electrical Requirements	100-240V, 50/60 Hz
Dimensions (L x W x H)	10” x 16” x 14”; 25.4 cm x 40.6 cm x 35.6 cm
Temperature (English) Operating	41 to 104 °F
Temperature (Metric) Operating	5 to 40 °C
Relative Humidity Range	5 to 85%, non-condensing
Warranty	1 year replacement warranty
Unit Size	Each