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COLO.SCIENCE – NICHIPET EX II
20–200 µL variable micropipette Nichipet EX II (single-channel)
The Nichipet EX II 20–200 µL 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 20–200 µL in 0.2 µL increments. Accuracy and precision below are Nichiryo values measured with original Nichiryo tips.
Same range, 5 Nichiryo lines – choose by your work
All lines below cover 20–200 µL, 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 · 100–1000 µL · 0.5/1–5 mL · 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 20–200 µL precision matters
- Standards, controls and calibration solutions
- Reagents for ELISA and enzymatic assays
- Serial dilutions in analytical and microbiology work
Tips for this pipette (20–200 µL)
Recommended Nichiryo Premium tips for Nichipet EX II 20–200 µL. The filter tip is the official Nichiryo successor of the former Premium filter tip.
| Tip | Packing | Quantity | Sterility | COLO code |
|---|---|---|---|---|
 Premium tip SG 2–200 µL |
Bulk bag | 1000 pcs | non-sterile | PRO4011 |
| Premium tip SG 2–200 µL |
Rack | 960 pcs (10 × 96) | non-sterile | PRO4019 |
| Premium tip SG 2–200 µL |
Rack | 960 pcs (10 × 96) | sterile | PRO4028 |
 Low Retention filter tip 200 µL |
Rack | 960 pcs (10 × 96) | sterile | PRO4067 |
Other original Nichiryo tips of the same volume
| Tip | Packing | COLO code |
|---|---|---|
| Low Retention 200 µL |
Bulk 1000 · Refill 960 · Sterile rack 960 | PRO7275 · PRO7280 · PRO4059 |
 Low Retention 200 µL long |
Sterile rack 192 | PRO4060 |
| Low Retention filter 200 µL long |
Sterile rack 192 | PRO4070 |
 NichimateAqua 200 µL |
Bulk 1000 · Refill 960 | PRO7263 · PRO7266 |
| NichimateAqua Marine 200 µL |
Sterile rack 960 | PRO7270 |
 NichimateAqua Marine 200 µL long |
Sterile rack 960 | PRO7271 |
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 | 20–200 µL |
|---|---|
| Increment | 0.2 µL |
| Channels | Single-channel |
| Compatible Nichiryo tips | Premium tip SG (bulk, rack, sterile rack) · Low Retention filter tip 200 µL |
| Origin | Nichiryo, Japan |
Accuracy and precision
| Volume (µL) | Accuracy (%) | Precision CV (%) |
|---|---|---|
| 20 | ±1 | ≤0.5 |
| 100 | ±0.8 | ≤0.3 |
| 200 | ±0.8 | ≤0.2 |
* According to Nichiryo test conditions with original Nichiryo tips. Values at the lowest volume depend strongly on operator skill and conditions.
