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COLO.SCIENCE – NICHIPET EX II
1–5 mL variable micropipette Nichipet EX II (single-channel)
The Nichipet EX II 1–5 mL variable micropipette is an original Nichiryo instrument made in Japan. It was the best-selling model of the Nichipet series; its successor is Nichipet EX III.
Volume is set from 1–5 mL in 10 µL increments. Accuracy and precision below are Nichiryo values measured with original Nichiryo tips.
Same range, 4 Nichiryo lines – choose by your work
All lines below cover 1–5 mL, are made in Japan and use original Nichiryo tips. They differ in weight, resistance and durability – pick the line that fits how often and with what liquids you pipette.
Other Nichipet EX II models: 0.1–2 µL · 0.5–10 µL · 2–20 µL · 10–100 µL · 20–200 µL · 100–1000 µL · 1–10 mL
Key features
- Best-selling model of the Nichipet series
- Glass volume display, UV-resistant
- Autoclavable at 121 °C for 20 minutes; non-grease design
- PTFE in the airtight chamber for long-term tightness
Where 1–5 mL precision matters
- Preparation of buffers and media
- Volumetric additions in sample preparation
- Dilutions in analytical chemistry
Tips for this pipette (1–5 mL)
Recommended Nichiryo Premium tips for Nichipet EX II 1–5 mL.
| Tip | Packing | Quantity | Sterility | COLO code |
|---|---|---|---|---|
 Premium tip X 1–5 mL |
Bulk bag | 200 pcs | non-sterile | PRO4015 |
| Premium tip X 1–5 mL |
Rack | 100 pcs (2 × 50) | non-sterile | PRO4024 |
| Premium tip X 1–5 mL |
Rack | 100 pcs (2 × 50) | sterile | PRO4033 |
According to Nichiryo, any Nichiryo tip can be used with this pipette as long as the volume matches. Nichiryo tests every pipette before shipment with Premium tips, the recommended tips for accuracy.
Accessories
Rotary stand (6 pipettes)For EX III, Premium, EX Plus II and Le
Single pipette holderFor Le, EX III, Premium and EX Plus II
Tube openerFor Premium and EX Plus II – opens micro tubes with the pipette in handTechnical specifications
| Volume range | 1–5 mL |
|---|---|
| Increment | 10 µL |
| Channels | Single-channel |
| Compatible Nichiryo tips | Premium tip X (bulk, rack, sterile rack) |
| Origin | Nichiryo, Japan |
Accuracy and precision
| Volume (µL) | Accuracy (%) | Precision CV (%) |
|---|---|---|
| 1000 | ±1 | ≤0.3 |
| 2500 | ±0.8 | ≤0.3 |
| 5000 | ±0.6 | ≤0.2 |
* According to Nichiryo test conditions with original Nichiryo tips. Values at the lowest volume depend strongly on operator skill and conditions.
