Image of 3 Drummond Positive Displacement Digital Microdispensers on a white background

Positive Displacement Digital Microdispensers

  • Direct digital set and readout for fractional microliters
  • Positive lock prevents accidental volume changes
  • Repeat Kit available for Model 590 and 390
  • Overall volumetric accuracy of ±1% (at full volume)
  • Borosilicate glass bores with stainless steel plungers, (PTFE tips on all plungers 25 μL or larger) polypropylene bore on Model 590

Catalog Information

Cat. No. Total Capacity (μL) Recommended Range (μL) Delivery Increments (μL)
3-000-510 10 2.0 to 10 0.01
3-000-525 25 5 to 25 0.1
3-000-550 50 10 to 50 0.1
3-000-575 100 20 to 100 0.1
3-000-590 1000 100 to 1000 1.0
Replacement parts kit diagram for Drummond Positive Displacement Digital Microdispensers Diagram

Replacement Part Kits for Digital Microdispensers

Cat. No. Microdispenser Volume Range (μL) Digital Microdispenser Cat. No. Kit Contents
3-000-010-K 2-10 3-000-510 2 plungers, 2 O-rings, 1 collet, 1 coil spring, 1 spring guide
3-000-025-K 5-25 3-000-525 1 plunger, 2 O-rings, 1 collet, 1 coil spring, 3 PTFE tips, 1 spring guide
3-000-050-K 10-50 3-000-550 1 plunger, 2 O-rings, 1 collet, 1 coil spring, 3 PTFE tips, 1 spring guide
3-000-075-K 20-100 3-000-575 1 plunger, 2 O-rings, 1 collet, 1 coil spring, 3 PTFE tips, 1 spring guide
3-000-010-590 100-1000 3-000-590 3 Plunger Tips (polyethylene)

Replacement Bores for All Microdispensers

Size (μL) Glass Color Code Bores Pack
1 to 5 White 3-000-105-G 100
10 Orange 3-000-210-G 100
20 Black 3-000-320-G 100
25 Double White 3-000-225-G 100
50 Green 3-000-250-G 100
100 Blue 3-000-275-G 100
100/200 Blue 3-000-275-G 100
250 Black 3-000-388-G 100
1000 Plastic Tip 3-000-590-G 100