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BEHR Behrotest® Steam Distillation Unit with Automatic Addition
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Specifications:
| Application | Nitrogen Determination | Warranty | 1 Year |
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Equipment | ||
| Product Brand | Behr Labor-Technik | ||
| Product Grade | Analytical grade | ||
The BEHR Behrotest® Steam Distillation Units deliver dependable, high-performance operation for routine nitrogen analysis by the Kjeldahl method. Engineered for precision, speed, and safety, these semi- and fully automatic systems combine robust construction with intelligent automation, ensuring consistent results in demanding laboratory environments.
Designed as the ideal complement to behr InKjel digestion systems, the S-series models share a unified architecture while offering varying levels of automation and control. Each system guarantees excellent recovery, reproducibility, and operator protection, making it a trusted solution for nitrogen determination and related analytical workflows.
Key Features and Benefits
- Exceptional Safety and Reliability – Durable polyurethane housing resists chemicals and impacts; integrated safety controls protect the operator.
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High Analytical Performance –
- Distillation time: approx. 3 min per sample
- Detection limit: 0.1 mg N
- Recovery rate: > 99.5 %
- Reproducibility: ± 1 %
- Adjustable Steam Output – Variable from 10 % to 100 % for process flexibility.
- User-Friendly Control – Simple, menu-guided “behr one-button operation” allows quick setup and operation.
- Programmable Functions – Reaction and distillation times can be customized for sample type.
- USB Interface – Enables convenient data transfer and process logging.
- Automatic Level Monitoring – Ensures safe operation and prevents dry-running.
- Quick-Clamping Device – Secure sample fixation; operable single-handedly even with gloves.
- Rinsing Programs (S2–S5) – Maintain system cleanliness and consistency between runs.
Model Comparison
| Model | Automation Level / Additions | Programs | Canister Set (Recommended) | Art. No. |
|---|---|---|---|---|
| S 1 | Semi-automatic, automatic NaOH addition | 1 | KAS 20 (2 × 20 L) – B00218041 / KAS 20/10 (2 × 10 L) – B00704640 | B00218025 |
| S 2 | Semi-automatic, automatic NaOH + H₂O addition | 1 | KAS 20 / KAS 20/10 | B00233702 |
| S 3 | Semi-automatic, automatic NaOH + H₂O addition + automatic residue extraction | 10 | KAS 30 (3 × 20 L) – B00218042 / KAS 30/10 – B00736342 | B00233703 |
| S 4 | Fully automatic, automatic NaOH + H₂O + H₃BO₃ addition + automatic residue extraction | 99 | KAS 40 (4 × 20 L) – B00218043 / KAS 40/10 – B00513618 | B00218032 |
Technical Specifications
| Parameter | S 1 | S 2 | S 3 | S 4 |
|---|---|---|---|---|
| Distillation Time | 2–4 min/sample | ≈ 3 min | ≈ 3 min | ≈ 3 min |
| Detection Limit | 0.1 mg N | 0.1 mg N | 0.1 mg N | 0.1 mg N |
| Recovery Rate | > 99.5 % | > 99.5 % | > 99.5 % | > 99.5 % |
| Reproducibility | ± 1 % | ± 1 % | ± 1 % | ± 1 % |
| Steam Output | 10 %–100 % adjustable | 10 %–100 % adjustable | 10 %–100 % adjustable | 10 %–100 % adjustable |
| Cooling Water Consumption | ≈ 5 L/min | ≈ 5 L/min | ≈ 5 L/min | ≈ 5 L/min |
| Power Consumption | 1700 W | 1700 W | 1700 W | 1700 W |
| Dimensions (W × D × H) | 42 × 34.5 × 70 cm | 42 × 34.5 × 70 cm | 42 × 34.5 × 70 cm | 42 × 34.5 × 70 cm |
| Weight | 32 kg | 34 kg | 35 kg | 35 kg |
Compatible Accessories
- Büchi Adapter – B00232254
- Micro-Adapter 100 mL (PTFE for Micro-Kjeldahl Vessels SR4) – B00232266
- Maintenance Set S1–S5 – B00606938
- Manual Titration Station (STI) – B00218002
- KAS Canister Sets (20 L or 10 L versions) – B00218041 / B00218042 / B00218043 / B00704640 / B00736342 / B00513618
Applications
- Nitrogen determination by the Kjeldahl method
- Food, feed, fertilizer, and environmental analysis
- Academic and industrial chemical laboratories requiring consistent, rapid distillation
The BEHR Behrotest® Steam Distillation Unit Series (S1–S4) offers unmatched reliability, operator safety, and precision for Kjeldahl nitrogen analysis. From the efficient semi-automatic S1 to the fully automated S4, each model delivers excellent reproducibility and process control, ensuring accurate analytical outcomes for laboratories of every scale.
- Model: S 1; Semi-automatic, automatic NaOH addition S 2; Semi-automatic, automatic NaOH + H₂O addition S 3; Semi-automatic, automatic NaOH + H₂O addition + automatic residue extraction S 4; Fully automatic, automatic NaOH + H₂O + H₃BO₃ addition + automatic residue extraction