

WHEATON
800.225.1437 (U.S. & Canada Only) | 856.825.1100 | 856.825.1368 (F) |
www.wheaton.comNo. of aliquots
Volume (µL)
Volume (µL)
Volume (µL)
73
10
50
500
49
15
75
750
36
20
100
1000
29
25
125
1250
24
30
150
1500
20
35
175
1750
18
40
200
2000
15
45
225
2250
14
50
250
2500
12
55
275
2750
11
60
300
3000
10
65
325
3250
9
70
350
3500
8
75
375
3750
8
80
400
4000
7
85
425
4250
7
90
450
4500
7
95
475
4750
6
100
500
5000
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
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.
411
10 - 5000µL
Ordering Information
Cat. No.
Description
Qty / Pack
851601
Stepper
™
411 (incl. 3 color coded selector buttons,
adapter, Ecostep
™
syringe samples)
1
851625
Replacement white adapter for red Ecostep
™
syringe
5
W835010
Stand for one Stepper
™
1
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.
Volume
Color
Capacity
At Min. Vol.
At Max. Vol.
At Min. Vol.
At Max.Vol.
Sterile
Qty / Pack
851604
10 - 100µL
Yellow
0.75mL
< ± 1.2 % < ± 1.0 %
< 2.3 %
< 0.6 %
No
100
W851616 10 - 100µL
Yellow
0.75mL
< ± 1.2 % < ± 1.0 %
< 2.3 %
< 0.6 %
Yes
50
851608
50 - 500µL
Blue
3.75mL
< ± 1.0 % < ± 0.5 %
< 1.8 %
< 0.4 %
No
100
W851620 50 - 500µL
Blue
3.75mL
< ± 1.0 % < ± 0.5 %
< 1.8 %
< 0.4 %
Yes
50
851612*
500 - 5000µL
Red
37.5mL
< ± 0.8 % < ± 0.5 %
< 1.2 %
< 0.4 %
No
100
W851624*
500 - 5000µL
Red
37.5mL
< ± 0.8 % < ± 0.5 %
< 1.2 %
< 0.4 %
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.
> 128
Liquid Handling