SNOL SNOL 300 Series Forced-Air Laboratory Drying Oven (300 °C)
| Origin | Germany |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | SNOL 300 Series |
| Temperature Range | 20–300 °C |
| Temperature Uniformity | ±0.5 °C |
| Internal Dimensions | 1000 × 500 × 860 mm |
| External Dimensions | 1200 × 930 × 1200 mm |
| Chamber Volume | 420 L |
| Heating Power | 6.2 kW |
| Construction | Stainless Steel Interior |
| Air Circulation | Horizontal Forced Convection |
| Compliance | CE, EN 61000-6-3, EN 61000-6-4, IEC 61010-1 |
Overview
The SNOL SNOL 300 Series Forced-Air Laboratory Drying Oven is a precision-engineered thermal processing instrument designed for reliable, repeatable operation in research laboratories, quality control environments, and industrial R&D settings. Operating on the principle of horizontal forced-air convection, the oven ensures uniform heat distribution across the entire chamber volume—critical for applications demanding high spatial temperature consistency, such as accelerated aging, moisture removal, pre-conditioning of polymeric specimens, and thermal stability testing per ASTM D570 or ISO 294-4. Its maximum operating temperature of 300 °C supports a broad range of non-combustible material treatments without requiring inert gas purging, while its robust thermal insulation—comprising high-density, low-conductivity refractory ceramic fiber—minimizes energy consumption and enables rapid thermal ramping and cooldown cycles. The unit conforms to IEC 61010-1 safety standards for laboratory electrical equipment and integrates dual-stage overtemperature protection to prevent uncontrolled thermal excursions.
Key Features
- Horizontal forced-air circulation system with adjustable-speed fan and front-panel exhaust valve for precise atmosphere management
- Microprocessor-based PID temperature controller with real-time digital display, programmable ramp/soak profiles, and setpoint memory
- Stainless steel interior chamber (AISI 304) with seamless welded corners and corrosion-resistant surface finish
- Double-wall construction with mineral wool insulation and external RAL 7035 textured powder coating for mechanical durability and thermal efficiency
- Integrated audible/visual overtemperature alarm and independent mechanical safety thermostat (cut-off at 320 °C)
- Standard configuration includes three adjustable stainless steel shelves; load capacity up to 155 kg (uniformly distributed)
- Energy-optimized design achieving <15 min heat-up time from ambient to 300 °C and <45 min cool-down to 60 °C under no-load conditions
Sample Compatibility & Compliance
The SNOL 300 Series accommodates a wide range of sample types—including powders, granules, thin-film substrates, metal coupons, polymer sheets, and ceramic components—within its 420 L working volume. Its chamber geometry (1000 × 500 × 860 mm internal) allows vertical stacking of standard ISO 9001-compliant test fixtures and ASTM E145-compliant specimen trays. All models meet CE marking requirements under the EU Machinery Directive 2006/42/EC and Electromagnetic Compatibility Directive 2014/30/EU. Optional calibration certificates traceable to PTB (Physikalisch-Technische Bundesanstalt) are available upon request. For regulated environments, optional RS-232/RS-485 interfaces support integration into LIMS or SCADA systems compliant with FDA 21 CFR Part 11 when paired with validated data logging software.
Software & Data Management
While the base unit operates via an intuitive front-panel interface, optional digital enhancements extend its functionality for auditable workflows. The integrated RS-232 port enables bidirectional communication with PC-based monitoring platforms, supporting real-time temperature logging, event-triggered alarms, and export of CSV-formatted datasets. An optional USB-connected data logger provides timestamped records with ±0.2 °C accuracy (calibrated against NIST-traceable references), including audit trail metadata required under GLP and GMP frameworks. Firmware updates are delivered via secure encrypted firmware packages, ensuring version control and cybersecurity compliance aligned with IEC 62443-3-3.
Applications
- Moisture content determination per ISO 15512 and AOAC 950.46
- Thermal aging of elastomers and thermoplastics per ASTM D573 and ISO 188
- Curing of adhesives, coatings, and composite prepregs
- Pre-drying of analytical reagents and reference standards prior to gravimetric analysis
- Stability testing of pharmaceutical excipients under ICH Q1A(R2) guidelines
- Conditioning of electrical insulators and printed circuit board substrates before dielectric testing
FAQ
Is the SNOL 300 Series suitable for use in cleanroom environments?
Yes—when equipped with HEPA-filtered air intake and stainless steel exterior cladding (optional), it meets ISO Class 7 particulate requirements for controlled laboratory spaces.
Can the oven be operated under nitrogen purge?
Yes—models with optional gas inlet/outlet ports support continuous inert gas flow; recommended flow rate: 1–3 L/min for chamber volume stabilization.
What is the recalibration interval recommendation?
Annual calibration is advised for ISO/IEC 17025-accredited labs; verification using calibrated PT100 probes at three chamber locations (top/mid/bottom) should occur before each critical test run.
Does the unit support remote monitoring via Ethernet or Wi-Fi?
Not natively—but third-party protocol converters (e.g., RS-485-to-Ethernet gateways) enable integration into existing facility-wide IoT infrastructure.
Are validation documents (IQ/OQ/PQ protocols) provided?
Standard IQ/OQ templates compliant with Annex 15 and EU GMP are included; PQ execution requires user-defined acceptance criteria and site-specific sensor mapping.
