Alphavita MVS-83 Vertical Steam Autoclave
| Brand | Alphavita |
|---|---|
| Origin | Liaoning, China |
| Model | MVS-83 |
| Instrument Type | Vertical Autoclave |
| Max Temperature | 135 °C |
| Max Pressure | 0.3 MPa |
| Chamber Dimensions (W×H) | 370 mm × 795 mm |
| External Dimensions (W×D×H) | 600 mm × 620 mm × 1005 mm |
| Chamber Volume | 83 L (≥75 L effective) |
| Power Rating | 4200 W |
| Net Weight | 90 kg |
| Safety Class | Class I Pressure Vessel |
| Manufacturing License | DI-Class |
| Temperature Sensor | PT100 |
| Pressure Gauge Range | −0.1 to 0.5 MPa |
| Safety Valve Set Point | 0.28 MPa |
| Cooling System | Dual-Cooling (axial + shaded-pole fans + condenser) |
| Exhaust | Adjustable 5-level downward exhaust |
| Operating Altitude Range | 0–3000 m |
| Timer Range | 0–4320 min (1 min resolution) |
Overview
The Alphavita MVS-83 Vertical Steam Autoclave is a CE-compliant, Class I pressure vessel engineered for reliable, repeatable steam sterilization in academic laboratories, clinical diagnostics facilities, and pharmaceutical QC environments. It operates on the fundamental principle of saturated steam under controlled pressure and temperature—leveraging the thermal lethality of moist heat to achieve microbial inactivation (including spores) in accordance with ISO 17665-1, EN 285, and USP <1211>. With a certified chamber volume of 83 L (≥75 L usable), it accommodates standard stainless-steel instrument trays, glassware racks, and porous load configurations up to 30 cm in height. Its vertical orientation minimizes floor footprint while enabling efficient top-hinged door access with multi-point mechanical locking—designed to meet ASME PVHO-1 and GB/T 150.1–2011 structural integrity requirements.
Key Features
- 5-inch 65K-color capacitive touchscreen with glove-compatible responsiveness and intuitive Chinese/English bilingual UI—displays real-time temperature, pressure, elapsed time, and dynamic process curve with color-coded phase indicators (heating, sterilizing, exhausting, cooling).
- Steam internal circulation exhaust system eliminates external steam discharge during pre-vacuum and exhaust phases, reducing lab humidity load and meeting local HVAC compliance for enclosed spaces.
- Dual-cooling system integrates a high-capacity axial fan and shaded-pole fan with an integrated condenser, enabling rapid post-cycle cooldown—critical for throughput-sensitive workflows involving heat-labile media or frequent batch processing.
- Five-stage adjustable downward exhaust allows precise control over steam release rate and residual moisture management, optimizing drying performance for wrapped instruments and textile loads.
- Multi-layer safety architecture: dual thermal cutoffs (electronic + mechanical), dry-run protection, pressure relief valve (0.28 MPa setpoint), door interlock, earth-leakage circuit breaker, overcurrent protection, and redundant sensor monitoring (PT100 temperature + calibrated pressure transducer).
- Altitude compensation mode enables field calibration for operation between 0–3000 m above sea level—automatically adjusting cycle parameters to maintain equivalent F0 values per ISO 17665 Annex B.
- Four programmable operation modes: Standard Sterilization, Sterilize-Hold, Dissolution-Hold, and Instrument Sterilization—each supporting four user-defined profiles with independent parameter sets (T, P, time, exhaust rate, cooling strategy).
Sample Compatibility & Compliance
The MVS-83 supports heterogeneous load types including wrapped surgical kits, unwrapped metal instruments, liquid media (in vented bottles), and porous materials such as gauze and pipette tips. Chamber geometry (370 mm diameter × 795 mm height) permits vertical stacking of standard 300 mm-tall autoclave baskets. All wetted surfaces are constructed from ASTM A240 S30408 stainless steel (equivalent to AISI 304), ensuring corrosion resistance against repeated exposure to condensate and cleaning agents. The unit complies with GB 8599–2008 (Chinese national standard for steam sterilizers), carries a DI-class manufacturing license per TSG 21–2016, and meets electromagnetic compatibility (EMC) requirements per GB/T 18268.31–2017. Optional IQ/OQ documentation packages support GLP/GMP validation under FDA 21 CFR Part 11 and EU Annex 15 guidelines.
Software & Data Management
No proprietary software installation is required—the embedded controller logs all critical process data (temperature, pressure, time, alarms, door status) with timestamped entries stored in non-volatile memory (≥10,000 cycles). Audit trail functionality records operator ID (via optional password-protected login), parameter changes, and alarm acknowledgments—supporting traceability requirements for ISO 13485 and ISO 9001 quality systems. USB export enables CSV-formatted reports for external review or LIMS integration. Firmware updates are performed via secure USB drive with digital signature verification. All data fields adhere to ALCOA+ principles (Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, Available).
Applications
- Routine sterilization of reusable laboratory glassware, stainless-steel tools, and polymer-based consumables in university teaching labs and core facilities.
- Preparation of microbiological growth media (e.g., agar, broth) requiring dissolution at ≤115 °C followed by hold-phase stabilization.
- Terminal sterilization of pre-packed devices in ISO Class 7 cleanrooms where exhaust containment is mandated.
- QC/QA workflows in medical device manufacturing—validated for use with biological indicators (e.g., Geobacillus stearothermophilus spore strips) per ISO 11138-3.
- Pharmaceutical R&D labs performing excipient sterilization and buffer preparation under cGMP-aligned procedures.
FAQ
What is the maximum validated load weight for the MVS-83 chamber?
The chamber supports up to 45 kg of uniformly distributed load (dry weight), assuming optimal steam penetration and adequate air removal. Load configuration must comply with ISO 17665-2 packing density guidelines.
Does the unit support automatic validation protocols (e.g., Bowie-Dick tests)?
Yes—it includes dedicated pre-vacuum test cycles compliant with EN ISO 11140-4 for detecting air entrapment in porous loads.
Can the MVS-83 be integrated into a centralized lab monitoring system?
It features RS-485 Modbus RTU output for remote status polling (door open/closed, cycle phase, fault codes); analog 4–20 mA outputs for temperature and pressure are available as factory options.
Is third-party calibration certification available?
Calibration certificates traceable to NIM (National Institute of Metrology, China) or UKAS-accredited labs can be provided upon request, covering PT100 sensors and pressure transducers.
What maintenance intervals are recommended?
Daily: water level check, door gasket inspection. Monthly: drain filter cleaning, exhaust port verification. Annually: full pressure vessel inspection, safety valve functional test, and sensor recalibration per manufacturer SOP.
