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The BR1000-STACK is the stacking platform for the BR1000 BenchBlotter 2D Platform Rocker — sold at $154. The stacking platform creates a second tier 3.0" above the BR1000 primary platform, allowing two layers of trays / membranes simultaneously in a single rocker cycle. Effectively doubles per-cycle throughput at the BR1000's 12"×12" scale — meaningful for multi-membrane / multi-tray workflows at facility scale.
| SKU | BR1000-STACK |
| Type | Stacking platform with flat mat for BR1000 chassis |
| Tier clearance | 3.0" between primary platform and stacking platform |
| Stacking-platform mat | Flat mat (sized 12" × 12") |
| Compatible chassis | BR1000 (BenchBlotter) confirmed; potential cross-compatibility with B3D1308 / B3D1320 (also 12"×12") — confirm at order |
| Sister stacking platform SKU | BR1000-STACK-D (dimpled-mat version, $160) |
| Sister small-platform stacking | B3D-STACK (small 10.5"×7.5" with flat mat, 3.0" clearance, $154) — same price reflects same accessory-line pricing pattern |
| Sister BenchWaver stacking | B3D5000-STK (large 13.5"×13" with flat mat, 4.5" clearance, $169) |
| List price | $154 |
For the cost of one accessory ($154), the BR1000 chassis processes two layers of trays / membranes per cycle vs the standard single-tier configuration:
| Configuration | Per-cycle throughput | Cost |
| BR1000 chassis alone | Single tier (12" × 12" workflow surface) | $586 |
| BR1000 + stacking platform (this product) | Dual tier (2 × 12" × 12" workflow surfaces) | $586 + $154 = $740 |
| Two BR1000 chasses | Dual single-tier (parallel) | $1,172 |
The stacking platform is the cost-efficient throughput doubler — adds 100% per-cycle capacity at ~26% additional procurement cost vs procuring a second chassis.
Pick the stacking platform (BR1000-STACK) when:
Pick the BR1000-STACK-D ($160) for tube-format dual-tier workflows — different mat type for tube securing.
| SKU | Mat type | Platform size | Clearance | List price |
| B3D-STACK | Flat | Small (10.5" × 7.5") | 3.0" | $154 |
| B3D-STACK-D | Dimpled | Small (10.5" × 7.5") | 3.0" | $160 |
| BR1000-STACK (this product) | Flat | Large (12" × 12") | 3.0" | $154 |
| BR1000-STACK-D | Dimpled | Large (12" × 12") | 3.0" | $160 |
| B3D5000-STK (BenchWaver) | Flat | Largest (13.5" × 13") | 4.5" | $169 |
Pricing pattern: Flat-mat stacking platforms are $154 across both small and large 12"×12" sizes; dimpled-mat sisters are $160; the BenchWaver largest-platform stacking is $169. Same-price flat / dimpled differential ($6) holds across the family.
Pair with BR1000 chassis. Confirm BR1000 chassis inventory at order.
Confirm tray / membrane height fits the 3.0" clearance. Items on the lower tier must fit beneath the stacking-platform clearance — confirm tray heights at order.
Confirm cross-chassis compatibility if needed. If facility has both BR1000 and B3D1308/-1320 chasses (both 12"×12"), confirm whether the stacking platform fits both with Benchmark Scientific tech support.
Confirm at quote: chassis pairing (specifically BR1000), tray / membrane height fit, intended dual-tier workflow context, and lead time.
Warranty: Per Benchmark Scientific standard accessory terms.
Benchmark Scientific stacking platform family — pick by chassis platform size:
- B3D-STACK / B3D-STACK-D — Small (10.5" × 7.5") — for Mini B3D chassis
- BR1000-STACK (this product) / BR1000-STACK-D — Large (12" × 12") — for BR1000 chassis (potentially B3D1308/-1320)
- B3D5000-STK — Largest (13.5" × 13") — for BenchWaver
Pick the BR1000 large flat-mat stacking platform for membrane / tray dual-tier workflows on BR1000 chassis; sister dimpled-mat platform covers tube workflows.
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