Socorex Stepper™ 411 is a positive displacement, stepping pipettor system, comprising hand-held control unit and accessory Ecostep™ dispensing syringe tips.
General specifications:
- Volume range 10µl to 5000µl
- 53 different sample volume settings
- Unique finger tip trigger action gives fast pipetting with minimal effort and without using the thumb
- Comfortable, ergonomic design
- Three syringe tip step ranges 10 to 100µl, 50 to 500µl and 500 to 5000µl
- Interchangeable steps x volume selector dials, colour-coded to relevant syringe tip
- Self-locking mechanism halts dispensing at last full step volume
Performance data using Ecostep™ dispensing syringe tips:
| Range, μl | Syringe, ml | Colour code | Accuracy, ±% | Precision, ±% |
| 10 to 100 | 0.75 | Yellow | 2.0 to 1.0 | less than 2.0 to less than 1.0 |
| 50 to 500 | 3.75 | Blue | 1.0 to 0.7 | less than 1.0 to less than 0.8 |
| 500 to 5000 | 37.5 | Red | 0.7 to 0.5 | less than 0.8 to less than 0.5 |
Step volumes (aliquots)
| 0.75ml (yellow) syringe | 3.75ml (blue) syringe | 37.5ml (red) syringe | |
| Number of steps | |||
| 73 | 10μl | 50μl | 500μl |
| 49 | 15μl | 75μl | 750μl |
| 36 | 20μl | 100μl | 1000μl |
| 29 | 25μl | 125μl | 1250μl |
| 24 | 30μl | 150μl | 1500μl |
| 20 | 35μl | 175μl | 1750μl |
| 18 | 40μl | 200μl | 2000μl |
| 15 | 45μl | 225μl | 2250μl |
| 14 | 50μl | 250μl | 2500μl |
| 12 | 55μl | 275μl | 2750μl |
| 11 | 60μl | 300μl | 3000μl |
| 10 | 65μl | 325μl | 3250μl |
| 9 | 70μl | 350μl | 3500μl |
| 8 | 75μl | 375μl | 3750μl |
| 8 | 80μl | 400μl | 4000μl |
| 7 | 85μl | 425μl | 4250μl |
| 7 | 90μl | 450μl | 4500μl |
| 7 | 95μl | 475μl | 4750μl |
| 6 | 100μl | 500μl | 5000μl |
Supplied with one each yellow, blue and red code steps x volume selector dials, two of each Ecostep™ syringe tips, 0.75ml, 3.75ml, 37.5ml, and syringe adapter to hold 37.5ml tip.