FlowCam® Accessories - Bead Standards

All domestic shipping is via Ground, all international shipping is via International Economy. Delivery time will be 3-7 working days for items in stock. If delivery time is critical, please contact us at +1 207-289-3200 to specify your needs and get a quotation on shipping.

Size and Concentration Standards

NIST-Traceable calibrated microspheres in solution at calibrated concentration for verification of concentration measurements.                   

Quantity Description Price  
25 mL 10µm Beads at 3,000/ml $70.00
25 mL 20µm Beads at 3,000/ml $70.00
25 mL 50µm Beads at 3,000/ml $70.00


Focus Beads

These custom formulated beads are designed for use with FlowCAM's equipped with the Auto Focus option. They are pre-diluted and ready to use, with two different sizes, one for 10X and 20X objectives and one for 4X and 2X objectives.

Quantity Description Price  
40 mL 20X & 10X Focus Beads $235.00
500 mL 4X & 2X Focus Beads $235.00


Fluorescent Beads

These beads are used to verify that FlowCAM® is correctly triggering on fluorescence signals (for systems equipped with this capability).

Quantity Description Price  
0.1 g Red Fluorescent Beads $160.00
0.1 g Green Fluorescent Beads $160.00