BINDER KBF-S ECO 720 Temperature and Humidity Controlled Chamber with Peltier Cooling
| Brand | BINDER |
|---|---|
| Origin | Germany |
| Manufacturer | BINDER GmbH |
| Type | Upright Environmental Test Chamber |
| Model | KBF-S ECO 720 |
| Cooling Method | Water-Cooled Peltier (Thermoelectric) |
| Temperature Range | 0 °C to +70 °C (at ambient ≤24 °C) |
| Humidity Range | 10 % RH to 80 % RH |
| Temperature Uniformity | ±0.1 K (at 25 °C / 60 % RH and 40 °C / 75 % RH) |
| Humidity Uniformity | ±0.3 % RH (at 25 °C / 60 % RH and 40 °C / 75 % RH) |
| Heating Rate | 0.17 °C/min |
| Internal Volume | 700 L |
| Chamber Dimensions (W×D×H) | 973 × 576 × 1250 mm |
| External Dimensions (W×D×H) | 1250 × 885 × 1925 mm |
| Power Supply | 200–230 V, 50/60 Hz, 1.2 kW |
| Noise Level | 48 dB(A) |
| Energy Consumption | 130 Wh/h (at 40 °C / 75 % RH) |
| Compliance | DIN 12880:2007, ICH Q1A |
Overview
The BINDER KBF-S ECO 720 is a precision-engineered upright temperature and humidity controlled chamber designed for long-term stability-critical applications in pharmaceutical stability testing, material aging studies, and regulatory-compliant environmental simulation. Utilizing solid-state Peltier (thermoelectric) cooling integrated with water-cooled condensation management, the system achieves precise, low-noise, and energy-efficient climate control without refrigerants—making it suitable for laboratories prioritizing sustainability, operational safety, and compliance with ICH Q1A guidelines. The chamber operates across a validated temperature range of 0 °C to +70 °C and a humidity range of 10–80 % RH, with performance verified under DIN 12880:2007 test conditions at ambient temperatures ≤24 °C. Its stainless-steel interior (AISI 304), APT.line™ preheating technology, and independent water reservoir ensure uniform thermal distribution, rapid recovery after door opening (e.g., 7 min at 25 °C/60 % RH), and minimal cross-contamination risk—critical for GLP/GMP-aligned workflows.
Key Features
- Water-cooled Peltier cooling system enabling refrigerant-free operation, reduced maintenance, and stable sub-ambient capability down to 0 °C independent of ambient conditions (minimum achievable temperature is 24 K below ambient, capped at 0 °C)
- APT.line™ preheating technology ensures homogeneous temperature distribution across the 700 L internal volume, minimizing vertical and horizontal gradients
- Stainless-steel interior (AISI 304) and two load-rated stainless-steel shelves (45 kg capacity each) support corrosion resistance and easy decontamination
- LCD interface with real-time display of setpoints, actual values, alarms, and status diagnostics; supports multilingual UI configuration
- Integrated data logger with USB export capability—records temperature and humidity at user-defined intervals in open CSV format for audit-ready traceability
- Comprehensive safety architecture including overtemperature protection, refrigeration fault detection, door-open monitoring, and automatic shutdown on critical sensor failure
- 30 mm diameter access port (left side, silicone-sealed) for external sensor cabling or process integration without compromising chamber integrity
- Low acoustic emission (48 dB(A)) and optimized energy consumption (130 Wh/h at 40 °C/75 % RH) meet stringent laboratory sustainability benchmarks
Sample Compatibility & Compliance
The KBF-S ECO 720 accommodates diverse sample formats—including stability batches in blister packs, vials, trays, and custom fixtures—within its 700 L chamber volume and 150 kg total load capacity. Its design complies with ICH Q1A(R3) requirements for long-term and accelerated stability testing protocols, supporting storage conditions such as 25 °C/60 % RH (long-term), 40 °C/75 % RH (accelerated), and intermediate conditions. All temperature and humidity uniformity data are determined per DIN 12880:2007 using calibrated reference sensors placed at nine defined locations (center and eight corners). The chamber meets essential electrical safety standards (IEC 61010-1) and is compatible with FDA 21 CFR Part 11–ready software extensions when paired with BINDER’s optional CDS (Chamber Data System) for electronic signatures, audit trails, and role-based access control.
Software & Data Management
While the KBF-S ECO 720 operates autonomously via its embedded controller, it supports seamless integration into digital lab infrastructures. Internal measurement data—including time-stamped temperature, humidity, alarm events, and system status—are stored in non-volatile memory and exported via USB to standard CSV files for import into LIMS, ELN, or statistical analysis platforms (e.g., JMP, Minitab). Optional CDS software enables remote monitoring, multi-chamber fleet management, automated report generation (PDF/Excel), and full 21 CFR Part 11 compliance—including electronic signatures, immutable audit logs, and user authentication. Firmware updates are performed locally via USB, ensuring continuity during validation maintenance.
Applications
- Pharmaceutical stability studies per ICH Q1A, Q5C, and USP , including real-time, accelerated, and stress testing of APIs and finished dosage forms
- Material science research: polymer aging, adhesive curing kinetics, coating durability, and hygroscopic behavior assessment
- Electronics component preconditioning per JEDEC J-STD-033 and IPC-1601 standards prior to solder reflow or reliability screening
- Biological sample conditioning for controlled desiccation, seed viability testing, or enzyme activity profiling under defined climatic stress
- Calibration lab support: serving as a stable reference environment for hygrometer and thermometer verification against NIST-traceable standards
FAQ
What is the lowest temperature achievable by the KBF-S ECO 720?
The chamber maintains a minimum operating temperature of 0 °C regardless of ambient conditions. When ambient temperature is ≤24 °C, it achieves full specified range (0–70 °C); at higher ambient (e.g., 32 °C), the minimum attainable temperature is 8 °C (32 °C − 24 K), but never below 0 °C.
Does the unit require external water supply for cooling?
Yes—the Peltier module is water-cooled; a continuous flow of deionized or softened water (recommended inlet temperature 10–25 °C, flow rate ≥1.5 L/min) must be supplied via standard G½” fittings.
Can humidity be controlled independently of temperature?
Yes—dual PID control loops govern heating, Peltier cooling, and steam humidification separately, enabling stable setpoints across the full 10–80 % RH range at any temperature within specification.
Is the internal data logger compliant with 21 CFR Part 11?
The built-in logger exports raw CSV files without electronic signatures. Full 21 CFR Part 11 compliance requires integration with BINDER CDS software and associated validation documentation.
What is the recommended wall clearance for optimal performance?
BINDER specifies minimum clearances of 180 mm laterally and 100 mm rearward to ensure adequate airflow around the water-cooling circuit and condensate management system.




