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The B3D5000-STK is the optional stacking platform for the BenchWaver B3D5000 chassis — sold at $169. The stacking platform creates a second tier 4.5" above the BenchWaver primary platform, allowing two layers of trays / membranes simultaneously in a single rocker cycle. Effectively doubles per-cycle throughput at the BenchWaver's largest-platform scale — meaningful operational value for production-scale multi-membrane workflows and high-throughput immunostaining facilities.
| SKU | B3D5000-STK |
| Type | Stacking platform with flat mat for BenchWaver chassis |
| Tier clearance | 4.5" between primary platform and stacking platform |
| Mat type on stacking platform | Flat mat (sized to match BenchWaver primary platform) |
| Compatible chassis | B3D5000 (BenchWaver) ONLY — does NOT fit smaller-platform B3D chasses |
| Workflow position | Vertical throughput doubling — two simultaneous trays / membranes per cycle |
| Sister stacking platform (small) | B3D-STACK (small 10.5"×7.5" stacking platform with flat mat, 3.0" clearance, $154 — for Mini B3D chassis) |
| List price | $169 |
A standard single-platform Rocker processes one layer of trays / membranes per cycle. The stacking platform adds a second tier — for the cost of one accessory ($169), the chassis processes two layers of trays / membranes per cycle, effectively doubling throughput per cycle without procuring a second chassis.
| Configuration | Per-cycle throughput | Cost |
| BenchWaver chassis alone | Single tier (13.5" × 13" workflow surface) | $1,588 |
| BenchWaver + stacking platform (this product) | Dual tier (2 × 13.5" × 13" workflow surfaces) | $1,588 + $169 = $1,757 |
| Two BenchWaver chassis | Dual single-tier (parallel) | $3,176 |
The stacking platform is the cost-efficient throughput doubler — adds 100% per-cycle capacity at ~10% additional procurement cost vs procuring a second chassis.
Pick the stacking platform (B3D5000-STK) when:
Stay with single-tier alone when single-tier capacity meets workflow throughput or when stacking-platform vertical clearance creates bench-clearance issues.
| Chassis | Compatible stacking platform | Tier clearance |
| B3D1008 / -1020 (Mini, 10"×7.5") | B3D-STACK (flat) / B3D-STACK-D (dimpled) | 3.0" |
| B3D5000 / -5000-E (BenchWaver, 13.5"×13") | B3D5000-STK (this product, flat) — confirm dimpled stacking option at order | 4.5" |
The BenchWaver's stacking platform has larger clearance (4.5" vs 3.0" for Mini) — accommodates taller tray / membrane workflows that wouldn't fit the smaller chassis's 3.0" clearance.
Production-scale multi-membrane Western blot processing — facilities running daily high-throughput Western workflow.
Multi-tray immunostaining at facility scale — IHC / IF workflows requiring high tray throughput per cycle.
Multi-investigator shared facility throughput — dual-tier supports multiple investigators' workflows simultaneously.
Bench-space-constrained facility procurement — vertical stacking footprint vs horizontal second-chassis footprint.
Method-development workflows at scale — protocol-development at high-throughput requires high per-cycle capacity.
Pharmaceutical / biotech bench standardization — high-throughput membrane / tray workflows benefit from dual-tier procurement.
Pair with B3D5000 chassis. Critical: this stacking platform is sized to the BenchWaver chassis specifically.
Confirm bench-space vertical clearance. The 4.5" stacking-tier height adds substantial vertical envelope to the chassis — confirm available bench vertical clearance (overhead shelving, ventilation hoods) at order.
Confirm tray / membrane fit. Items on the lower (primary) tier must fit beneath the stacking-platform clearance — confirm tray heights / membrane stack heights at order.
Confirm at quote: chassis pairing (specifically BenchWaver), bench-space vertical clearance, intended dual-tier workflow context, and lead time.
Warranty: Per Benchmark Scientific standard accessory terms.
BenchWaver throughput-doubling accessories:
- B3D5000-STK (this product) — Stacking platform with flat mat ($169) — dual-tier vertical throughput doubling
- B3D5000-DIMP — Optional dimpled mat ($169.00) — convert chassis to tube-mixing workflows
Pick the stacking platform when multi-membrane / multi-tray workflows justify dual-tier throughput; sister Mini stacking platforms (B3D-STACK, B3D-STACK-D, $154 / $160) cover the smaller B3D1008/-1020 chassis.
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