4 × 50 mL Conical Swing-Out Rotor for Z287-A

The Z287-0450H is the 4-position swing-out rotor for 50 mL conical tubes designed specifically for the Hermle Z287-A Compact Universal Centrifuge chassis. The "0450H" naming = 4 × 50 mL conical in a swing-out configuration that swings to 75° at full operating speed (the "H" in the suffix). At 5,000 rpm / 3,633 × g across 4 × 50 mL conicals per cycle, this rotor handles the 50 mL primary-tube swing-out workflow on the smaller Z287-A chassis (vs the larger Z327 / Z366 / Z446 family that handles 50 mL via different rotor classes). For labs whose primary instrument is the Z287-A and whose workflow includes 4 × 50 mL conical processing at swing-out boundary clarity, this is the chassis-matched rotor.

Key Specifications

Compatibility & Configuration

Chassis compatibility — Z287-A only. The Z287-0450H is engineered specifically for the Z287-A chassis spindle and chamber geometry. Not interchangeable with Z326 / Z32-HK / Z327 / Z366 / Z446 chassis — those use different rotor-body geometries. If your lab has both Z287-A and other Hermle chassis, this rotor stays paired with the Z287-A.

RFID-tagged. The chassis reads the rotor's RFID at insertion and applies the rotor-rated 5,000 rpm cap automatically.

0–75° swing range (vs the standard 0–90° in larger Hermle swing-out rotors). The slightly shallower max swing angle reflects the Z287-A chassis's compact form factor — at full speed, tubes orient to ~75° from vertical, still producing the swing-out boundary clarity but in a more compact rotor-body geometry.

Cross-family adapter compatibility. The adapter library uses Z326-prefix adapters (Z326-50-B15, Z326-15-A7, Z326-15-A5) — Hermle's accessory-table convention shares some adapters across rotor families when the geometry permits. The adapter SKUs are sold separately:

• Z326-50-B15 — 1 × 15 mL conical adapter (17 mm ø)
• Z326-15-A7 — 1 × 7 mL adapter (13.5 mm ø); requires Z326-50-B15 base
• Z326-15-A5 — 1 × 5 mL adapter (13.5 mm ø); requires Z326-50-B15 base

Application Profile

4 × 50 mL conical clinical-research workflows on the Z287-A chassis — serum/plasma separation, cell-pellet recovery from 50 mL aliquots, density-gradient work in 50 mL conical format. Direct fit for Falcon-style 50 mL conical tubes (29 mm OD).

4 × 15 mL conical via Z326-50-B15 adapter — when the workflow needs 15 mL conical processing in swing-out geometry on the Z287-A chassis.

Smaller-volume workflows via 7 mL and 5 mL adapters — supports Vacutainer-style 5–7 mL primary blood-collection tube workflows on the same rotor body.

Swing-out boundary clarity at mid-RCF. When the workflow specifically needs swing-out geometry (not angle-rotor pelleting) for clean phase boundaries — serum/plasma separation, density-gradient preservation — at mid-RCF in 50 mL format, the Z287-0450H delivers it on the compact Z287-A chassis.

Educational and small-clinical labs using the Z287-A as the lab's primary universal centrifuge — the Z287-0450H is the 50 mL workflow rotor for that chassis.

Loading & Balance

4-tube symmetric loading. Pair opposite tubes by weight (positions 1+3, 2+4); pre-balance to within the rotor's per-position tolerance.

Adapter consistency required across all 4 positions when using adapters — mixed-adapter loading produces asymmetric mass distribution.

Selectable accel/decel. The chassis's profiles apply; the unbraked decel (252 sec extended profile) preserves loose pellets and density gradients.

Ordering & Configuration

Z287-0450H ships as the rotor body with 4 swing-out buckets. Adapters (Z326-50-B15 base + Z326-15-A7 / Z326-15-A5 inserts for smaller-volume workflows) are sold separately.

Confirm at quote: chassis pairing (Z287-A — confirm chassis is in the lab's inventory or part of paired procurement), 50 mL tube format (Falcon-style 29 mm OD direct fit), adapter inventory if smaller-volume work shares the rotor, training, and lead time.

Warranty: 5-Year Hermle warranty (3 years full + 2 years drivetrain) on the rotor body and buckets. Balance validation through the Hermle service network.

Z287-0450H vs Z287-0810H vs Z287-0430H selection: the Z287-0450H (this product) is the 50 mL conical pick for the Z287-A. The Z287-0810H is the 8 × 10 mL blood-collection-tube rotor for the Z287-A. The Z287-0430H is the 4 × 30 mL skirted/Universal rotor for mid-volume work. Pick based on the dominant tube format for the workflow on the Z287-A chassis.