The Z36-20-HS is the 1.5 mL full-performance tube adapter for the Hermle Z326-1220H 30 × 1.5/2.0 mL super-speed angle rotor — sold as a 6-pack. This adapter is necessary for full-performance operation of standard 1.5/2.0 mL microtubes at the host rotor's full RCF range above 16,000 × g. Standard microtubes seat directly in the Z326-1220H rotor positions for routine RCF operation, but at the rotor's super-speed range (up to 65,395 × g), the adapter is engineered to maintain tube fit, prevent tube deformation, and preserve rotor balance — distinct from the 0.4 mL (Z36-04-HS) and 0.5 mL (Z36-05-HS) sister adapters that convert position envelope for smaller tube formats.
Key Specifications
| SKU | Z36-20-HS |
| Type | Tube adapter — full-performance support for 1.5 / 2.0 mL microtubes |
| Pack quantity | 6 adapters per SKU (multiple packs for full-rotor high-RCF configuration on the 30-position host) |
| Tube format accepted | 1 × 1.5 / 2.0 mL standard microtube |
| Required from | RCF >16,000 × g (per brochure footnote) |
| Compatible host rotor | Z326-1220H (30 × 1.5/2.0 mL super-speed angle rotor) |
| Compatible chassis families | Z36-HK, Z32-HK super-speed chassis (and -E voltage variants); Z327-HS variants |
| Max. operating speed (with adapter + tube) | Per Z326-1220H spec — 30,000 rpm at 65,395 × g maximum |
| Max. radius | 6.5 cm |
| Temperature at max speed (refrigerated chassis) | 6 °C |
| List price | $190 (6-pack) |
Critical Compatibility Note — Required Above 16,000 × g
Per the Z326-1220H brochure footnote, the Z36-20-HS adapter is "necessary from 16,000 × g on" for full-performance operation. Below 16,000 × g, standard 1.5 / 2.0 mL microtubes seat directly in the rotor positions without adapters; above 16,000 × g (i.e., for any workflow approaching the host rotor's high-RCF range), the adapter must be installed.
Operating standard microtubes at >16,000 × g without the Z36-20-HS adapter risks:
- Tube deformation under inertial load (microtube wall flex against the rotor cavity)
- Sample loss through deformed tube cap interfaces
- Rotor imbalance from variable tube seating across positions
- Long-term host-rotor wear on the unprotected tube cavity walls
For any Z326-1220H workflow that uses the super-speed RCF range, the Z36-20-HS is a required co-purchase, not an optional accessory.
Compatibility & When to Order This SKU
Adapter pairing — Z326-1220H super-speed rotor only. Order this SKU when:
- Commissioning a Z326-1220H for any workflow approaching the rotor's super-speed range (>16,000 × g) — order 5 packs (30 adapters) for full-rotor 1.5/2.0 mL high-RCF configuration.
- Adding high-RCF microtube workflow capability to an existing Z326-1220H install — when the workflow scales from the rotor's lower-RCF range into the super-speed range.
- Replacement adapters if a current set is damaged or worn — adapter wear at super-speed operation is a planned-inspection item.
- Spare adapter inventory for facilities running heavy-duty super-speed workflows that benefit from rotating adapter sets through inspection and cleaning cycles.
Application Profile
30-position symmetric loading. All 30 positions on the Z326-1220H rotor must use matching adapter configuration when running >16,000 × g — either all 30 positions with the Z36-20-HS adapter installed (standard 1.5/2.0 mL high-RCF workflow) or all 30 positions with the appropriate 0.4 / 0.5 mL adapter installed for sub-microvolume workflows.
Adapter consistency across positions. Pair opposites by mass; balance precision matters at super-speed RCF.
Design Architecture
High-RCF DNA / RNA pellet recovery in standard 1.5 / 2.0 mL microtubes — when nucleic-acid precipitation workflows need the super-speed rotor's >50,000 × g range for tight, well-defined pellet recovery resistant to disturbance during supernatant aspiration.
High-RCF protein-prep workflows in microtubes — TCA, acetone, ammonium-sulfate precipitation in 1.5 / 2.0 mL working volume requiring high-RCF pellet compaction.
Cell-pellet recovery from concentrated suspensions — when bacterial or mammalian cell pelleting needs the super-speed rotor's range for resistant pellet formation.
Cold-chain super-speed microtube workflows — refrigerated 1.5 / 2.0 mL microtube prep on the Z36-HK / Z32-HK super-speed refrigerated chassis (6 °C at max speed).
Specialty molecular-biology and biochemistry workflows — protocols that need >16,000 × g processing for specific pellet, density-gradient, or sample-prep steps in standard microtube format.
Z36-HK / Z32-HK super-speed chassis routine high-RCF workflows — labs operating super-speed microcentrifuge chassis on a daily basis with standard 1.5 / 2.0 mL microtubes need the Z36-20-HS as a routine consumable / co-purchase.
Ordering & Configuration
Symmetric adapter loading across all 30 positions. Mixed adapter / non-adapter loading is not supported at the super-speed range.
Adapter seat verification. At 30,000 rpm and 65,395 × g, balance precision is critical. Confirm each adapter is fully seated in its 1.5/2.0 mL position before loading the standard microtube.
Tube cap confirmation. All 1.5 / 2.0 mL microtubes must be securely capped before spinning at 30,000 rpm — at super-speed RCF, partial cap seating risks sample loss.
Adapter inspection routine. Per Hermle service recommendation, the Z36-20-HS adapters should be inspected periodically for wear from super-speed operation; replace adapters showing visible wear, cracking, or seal-interface degradation.
Z36-20-HS ships as 6 adapters. Standard 1.5 / 2.0 mL microtubes are operator-supplied (commodity microtube formats).
Confirm at quote: host rotor (Z326-1220H in inventory), chassis pairing (Z36-HK, Z32-HK, Z327-HS, or -E variants), workflow RCF range (confirms whether Z36-20-HS is required for the intended workflow — necessary above 16,000 × g), pack count needed (5 packs = 30 adapters for full-rotor high-RCF configuration), and lead time.
Warranty: 5-Year Hermle warranty (3 years full + 2 years drivetrain) on the adapters. Adapter wear is a planned-inspection item per the rotor's service interval recommendation.
Z36-HS adapter family — for Z326-1220H super-speed angle rotor:
- Z36-20-HS (this product) — 1.5 mL full-performance adapter (necessary above 16,000 × g)
- Z36-04-HS — 0.4 mL tubes (ø 6 × 50 mm) — sub-microvolume workflow adapter
- Z36-05-HS — 0.5 mL Eppendorf-style microtubes (ø 8 × 32 mm)
The Z36-20-HS is the required adapter for any Z326-1220H workflow operating standard 1.5 / 2.0 mL microtubes above the 16,000 × g threshold. Pick 0.4 mL or 0.5 mL adapters when the workflow uses smaller-volume tube formats.