| Name | ADVOCATE |
| Model | TD-4223 E/F |
| Construction | Amperometric Biosensor |
| Dimension | 87mm X 45mm X 19mm |
| Weight | 72.64g |
| Power source | 2 x (AAA) Alkaline Batteries |
| Battery life | Over 1000 determinants |
| Display | Large LCD |
| External Output | Standard RS232 PC interface |
| Coding Control | No Coding is Required |
| Auto system function check | Yes |
| Auto ambient temperature compensation | Yes( 'C or 'F) |
| Memory | 450 measurement results with date& time ( data retention while battery replacement) |
| Delete memory function | Yes |
| Auto electrode inserting detection | Yes |
| Auto sample loading detection | Yes |
| Auto reaction time count down | Yes |
| Auto turn-off after 3 minute without future action | Yes |
| Auto low power indication | Yes |
| Operational temperature warning | Yes |
| Day average | For 7,14,21,28,60,90 Days average |
| Kentones body warning | Yes(above 240mg/dl ) |
| Control solution calibration | Yes |
| Memory delete | Yes |
New ! Indicate functions: Low:Uncomfortable Normal :Smile High:Sad | Low:<69mg/dl(3.8mmol/L) Normal :70-119mg/dl(3.9-6.6mmol/L) High:>120mg/dl(6.6mmol/L) |