The B1202 is the Tall variant of the Micro Bead Research Sterilizer — 40 × 140 mm chamber (vs 40 × 80 mm in the standard B1201) at $901 ($153 premium over the B1201). The Tall chamber accommodates longer inoculation tools — deep-tube wires, long-handle inoculation loops, extended forceps — that don't fit the standard B1201's 80 mm depth. Same glass-bead sterilization mechanism as the standard B1201; the only difference is chamber depth and bead-bath volume.
Author confidence note (MEDIUM): No specific B1202 brochure in available corpus. Specs sourced from universe label and standard glass-bead sterilizer conventions. Confirm exact chamber dimensions, warm-up time, and bead-bath thermal envelope with Benchmark Scientific technical support at first procurement.
Voltage options: This unit can be ordered with European voltage requirements (230V/50Hz). Contact us to order.
Key Specifications
| SKU | B1202 |
| Type | Glass-bead microsterilizer, Tall chamber |
| Operating mechanism | Heated glass beads (~250–300 °C bead-bath operating temperature) |
| Chamber dimensions | 40 × 140 mm (Tall — 75 % taller than standard B1201) |
| Glass beads | Included at first procurement; replacement beads available as B1201-BEAD ($38, shared across family) |
| Voltage | 115 V / 60 Hz |
| Plug type | US Plug |
| Sister chamber variant | B1201 (40 × 80 mm standard, $748) |
| Sister technology family | BactiZapper element microsterilizers (different mechanism) |
| List price | $901 |
| Safety flag | Thermal hazard — heated glass beads at ~250–300 °C |
Why the Tall Chamber — Longer Implement Workflows
The standard B1201 (40 × 80 mm) accommodates standard inoculation loops, wires, and short forceps tips — the typical aseptic-technique implement set. The Tall B1202 extends compatibility to deep-tube wires for deep-stab cultures and anaerobic-tube sampling, long-handle inoculation loops for deep-vessel and fermenter sampling, extended forceps for colony manipulation and biofilm sampling, and other specialized aseptic-technique tools with handle lengths exceeding 80 mm.
Pick the Tall variant (B1202) when:
- Workflow uses deep-tube wires, long-handle inoculation loops, or extended forceps that don't fit the 40 × 80 mm standard chamber
- Anaerobic / deep-tube culture workflows requiring deep-stab implements
- Fermenter / bioreactor sampling workflows using long-handle aseptic implements
- The $153 premium over the B1201 ($748) is justified by implement-size flexibility
Stay with B1201 standard when standard implement sizes cover the workflow — the Tall chamber is excess capacity if standard implements suffice.
B1201 Family — Chamber-Size Comparison
| SKU | Chamber | Bead bath volume | List price |
The Tall variant has more bead-bath volume — relevant for thermal-recovery time during high-throughput workflows where many sequential sterilization cycles drop bath temperature. The larger bath volume buffers temperature better.
Application Profile
Anaerobic / deep-tube culture workflows — anaerobic tube cultures, stab cultures, deep-vessel inoculation requiring deep-stab wires and long-handle implements.
Fermenter / bioreactor sampling — sampling workflows using long-handle aseptic implements where standard chamber depth is insufficient.
Specialized aseptic-technique workflows — workflows using long-handle inoculation tools, deep-tube wires, oversized forceps for colony manipulation.
Multi-tool shared microbiology bench — facilities where investigators use diverse implement sizes benefit from the Tall chamber's flexibility.
High-throughput microbial culture facilities — the larger bead-bath volume buffers temperature better in high-cycle-rate workflows.
Method-development workflows — protocol-development requiring sterilization of non-standard implement geometries.
BSL2 / BSL2+ workflows — biosafety environments with diverse aseptic-technique implement sets.
Frequently Asked Questions
Q: How does the B1202 differ from the B1201? A: The B1202 has a taller 40 × 140 mm chamber (75% taller than the B1201's 40 × 80 mm) for longer inoculation tools, at $901 vs the B1201's $748.
Q: What temperature does the glass-bead bath reach? A: Approximately 250–300 °C — a thermal hazard requiring bench clearance from heat-sensitive equipment.
Q: Are replacement glass beads shared across the family? A: Yes — B1201-BEAD replacement beads ($38) are shared across the B1201/B1202 family, so one bead SKU covers all chamber sizes.
Q: Can plastic disposable loops be used in the B1202? A: No — plastic disposables melt at bead-bath temperature; use metal inoculation loops and wires (long-handle/deep-tube variants).
Q: Is a 230V version available? A: Yes — the B1202 is 115V/60Hz US plug, with a 230V/50Hz version available by special order.
Ordering & Configuration
Pair with metal inoculation loops / wires (long-handle / deep-tube variants). Plastic disposables incompatible (melt at bead-bath temperature).
Pair with replacement glass beads (B1201-BEAD). Beads shared across the B1201 / -E / B1202 / -E family — single replacement-bead SKU procurement covers all chamber sizes.
Confirm bench-clearance / thermal management. ~250–300 °C bead-bath surface temperature requires bench-clearance from heat-sensitive equipment.
Confirm at quote: voltage and plug type, intended implement-size justification for Tall chamber (vs standard B1201), workflow throughput sizing, replacement-bead inventory plan, and lead time.
Warranty: Per Benchmark Scientific standard capital-equipment terms — confirm at quote.
Safety note: the B1202 bead bath operates at ~250–300 °C with greater bead-bath volume than the standard B1201 — same surface-temperature thermal envelope but more thermal mass.
Glass-bead sterilizer family:
- B1201 — Standard chamber (40 × 80 mm), $748 — standard implements
- B1202 (this product) — Tall chamber (40 × 140 mm), $901 — long-handle implements / deep-tube wires
Pick the Tall variant for long-handle / deep-tube implement workflows; standard B1201 for typical aseptic-technique implement sizes.
