| General Specifications |
| Model |
Orion Star T920 |
| Type |
Redox titrator |
| Description |
Orion Star T920 redox titrator without electrode |
| Includes |
20mL 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 |
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 |
| Functions Available |
Sample titration, titrant standardization, calibration and direct measure |
| 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 |
| 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 |
mV and temperature |
| 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 |
Redox/ORP electrode, reference half-cell electrode, ATC temperature probe, stirrer probe |
| Inputs |
BNC (redox/ORP 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 |