規格
Burette FunctionsAutomatic rinse cycles for flushing and discrete dispense volume with continuous option; Exceeds acc
Functions AvailableSample titration, titrant standardization, calibration and direct measure
Accuracy (mV)±0.2 mV
Accuracy (Temperature)±0.2 °C
Alarm OutputNotifications for Titration Cycle Complete, Maximum Titrant Volume, Data Log Full, Calibration Due, Maintenance Reminder
Backlight OptionYes, adjustable
Blank OptionsFixed value or variable value using titration
Burette Sizes10 mL, 20 mL (included) or 50 mL
CalibrationmV and temperature
Calibration Points1 point relative mV (RmV) mode
Certifications/ComplianceCE, TUV 3-in-1, FCC, EN/EIC61326-1, IEC 61010
Channels1
Cycles Per Titration Run1 to 5 cycles, option to exclude cycle results from average results and RSD calculations
Data Management DetailsData log export as CSV or PDF file, short or long format
Data Points100 data sets each: sample titration, titrant standardization, calibration and direct measure
DescriptionOrion Star T920 redox titrator without electrode
Display Type5.7” color capacitive touchscreen, 640 x 480 resolution
TypeRedox titrator
Equivalence Points1 to 2
For Use With (Application)Redox titrations including sulfite/SO2 and reducing sugar in juice and wine, ascorbic acid (vitamin C) and peroxide value in food products, dissolved oxygen in wastewater by Winkler titration and organic matter in soil
Includes20mL burette, stirrer probe, dispenser probe, standard tubing kit, 1 L plastic bottle, GL38 bottle cap with two ports and drying tube, computer cable, USB drive, 110-240 V power supplies
InputsBNC (redox/ORP electrode), pin-tip (reference electrode), 8 pin MiniDIN (ATC temperature probe), stirrer input (stirrer probe)
IP RatingIP-51
LanguagesChinese, English, French, German, Italian, Japanese, Korean, Portuguese and Spanish
MaterialABS Plastic
MemoryNon-volatile memory preserves data logs and settings
MethodsUp to 10 methods with optional password protection; import/export methods via USB flash drive
ModelOrion Star T920
Outputs3 USB ports for printer, USB flash drive and computer software connections
Precision0.5% RSD, dependent on environment and handling conditions
Preset Endpoints1 to 3
Probe TypeRedox/ORP electrode, reference half-cell electrode, ATC temperature probe, stirrer probe
Range (mV)-2000.0 to +2000.0 mV
Relative Humidity Range5 to 85%, non-condensing
ResolutionBurette 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)
Resolution (mV)0.1 mV
Resolution (Temperature)0.1 °C
Sample IDAuto-incremental, manual or off
Stirrer Probe Speeds5 user selectable speeds (250 to 3700 RPM)
Temperature (English) Operating41°F to 104°F
Temperature (Metric) Operating5°C to 40°C
Temperature Probe CalibrationOptional 1 point offset calibration
Temperature Range (Metric)-5.0°C to +100.0°C
Temperature SelectionManual or automatic
Time and DateYes, with nonvolatile battery backup
Titrant DeterminationStandardization titration or manual concentration input
Titration Process ControlRoutine, quick, careful or user defined
Titration Setup WizardYes, using Start a New Titration workflow
Titration TechniqueEquivalence point or preset endpoint
Titration TypesDirect or back titration
Updateable FirmwareYes, using USB flash drive
Warranty1 year replacement warranty
Dimensions (L x W x H)10” x 16” x 14”; 25.4 cm x 40.6 cm x 35.6 cm
Electrical Requirements100-240V, 50/60 Hz
Unit SizeEach