Liquid Handling
128
The Stepper ™ 411 Repeater Pipette Highly comfortable pipette intended for reliable repeat dispensing within 10 to 5000µL. Unique trigger action mechanism eliminates thumb fatigue. Selected materials offer outstanding shock resistance. Compact shape greatly limits internal instrument contamination. Large selection among 53 different volumes; up to 73 doses per filling. Product Advantages ■ 4-finger activation ■ Setting knobs are clearly marked with volumes and number of aliquots ■ Three positive displacement syringes, color coded ■ Self-locking mechanism ■ Two-year warranty
411 10 - 5000µL
Color Coding Ecostep ™ syringe and selector button bear color coding to eliminate any setting error.
Fingertip Activation User friendly 4-finger trigger action eliminates thumb fatigue during repeat dosing. Automatic safety lock prevents false delivery when dosing is completed. Clear Setting Indication After inserting disposable syringe, select appropriate volume. Markings on selector buttons allow direct reading of set volume and corresponding number of aliquots.
No. of aliquots
Volume (µL)
Volume (µL)
Volume (µL)
Ordering Information Cat. No.
73 49 36 29 24 20 18 15 14 12 11 10
10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95
50 75
500 750
Description
Qty / Pack
100 125 150 175 200 225 250 275 300 325 350 375 400 425 450 475 500
1000 1250 1500 1750 2000 2250 2500 2750 3000 3250 3500 3750 4000 4250 4500 4750 5000
851601
Stepper ™ 411 (incl. 3 color coded selector buttons, adapter, Ecostep ™ syringe samples) Replacement white adapter for red Ecostep ™ syringe
1 5 1
851625
Stand for one Stepper ™
W835010
9 8 8 7 7 7 6
100
Performances and Ordering Information – Ecostep ™ Syringes Only three sizes cover full volume range from 10 to 5000µL. PE / PP materials. Supplied non-sterile in bulk, or sterilized, individually wrapped. Syringe Inaccuracy (E%)
Imprecision (CV%)
Cat. No. 851604
Volume
Color
Capacity 0.75mL 0.75mL 3.75mL 3.75mL 37.5mL 37.5mL
At Min. Vol.
At Max. Vol.
At Min. Vol.
At Max.Vol.
Sterile
Qty / Pack
10 - 100µL 10 - 100µL 50 - 500µL 50 - 500µL
Yellow Yellow
< ± 1.2 % < ± 1.2 % < ± 1.0 % < ± 1.0 % < ± 0.8 % < ± 0.8 %
< ± 1.0 % < ± 1.0 % < ± 0.5 % < ± 0.5 % < ± 0.5 % < ± 0.5 %
< 2.3 % < 2.3 % < 1.8 % < 1.8 % < 1.2 % < 1.2 %
< 0.6 % < 0.6 % < 0.4 % < 0.4 % < 0.4 % < 0.4 %
No
100
W851616
Yes
50
851608
Blue Blue Red Red
No
100
W851620 851612* W851624*
Yes
50
500 - 5000µL 500 - 5000µL
No
100
Yes
50
Performance values obtained with double-distilled water at constant temperature (± 0.5°C) comprised between 20 and 25°C *Includes one adaptor for red Ecostep Syringes.
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