Qiangle THZ-D Desktop Air-Thermostatic Orbital Shaker
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Regional Origin | Domestic (China) |
| Model | THZ-D |
| Price | USD 1,200 (FOB Jiangsu) |
Overview
The Qiangle THZ-D Desktop Air-Thermostatic Orbital Shaker is an engineered platform for precise temperature-controlled agitation of biological and chemical samples in laboratory environments. Utilizing forced-air convection heating and a brushless DC motor-driven eccentric drive mechanism, the system delivers consistent orbital motion (typically 20–300 rpm) with uniform thermal distribution across the chamber. Unlike water-bath shakers, this air-thermostatic design eliminates fluid contamination risks, reduces maintenance overhead, and enables rapid temperature equilibration (±0.5 °C stability at setpoint, typical). It operates within a standard ambient-to-60 °C temperature range—suitable for microbial culture propagation, enzyme kinetics studies, solubility testing, and routine sample homogenization where aqueous immersion is undesirable or incompatible with vessel materials (e.g., sealed tubes, low-permeability vials, or non-waterproof electronics-integrated assays).
Key Features
- Microprocessor-controlled PID temperature regulation with real-time digital display and ±0.3 °C repeatability over 24-hour operation
- Orbital shaking motion (25 mm diameter) optimized for suspension uniformity and minimal shear stress on sensitive cell cultures
- Brushless DC motor ensures long service life (>20,000 hours), low electromagnetic interference, and silent operation (<55 dBA at 1 m)
- Intelligent safety architecture: over-temperature cutoff, motor stall detection, and auto-restart after power recovery
- Adjustable platform with universal clamping system compatible with standard flask racks (50–2000 mL), microplate carriers, and custom fixtures
- Front-accessible calibration port for traceable temperature sensor verification per ISO/IEC 17025 laboratory requirements
Sample Compatibility & Compliance
The THZ-D accommodates a wide range of container formats—including Erlenmeyer flasks (up to 2 L), centrifuge tubes (15–50 mL), deep-well plates, and PCR strip tubes—without requiring adapter kits. Its stainless-steel chamber interior resists corrosion from ethanol, isopropanol, and mild acidic/basic solutions commonly used in molecular biology workflows. The device conforms to IEC 61010-1:2010 safety standards for laboratory electrical equipment and meets EMC Directive 2014/30/EU emission limits. While not certified for GMP manufacturing environments, its design supports GLP-compliant documentation through user-defined operational logs and manual calibration records—fully traceable for audit readiness in academic, clinical, and industrial R&D settings.
Software & Data Management
The THZ-D operates via an embedded control interface with non-volatile memory for storing up to 10 user-defined protocols (temperature, speed, duration, ramp profiles). No proprietary software is required; however, optional RS-232 or USB-to-serial adapters enable integration with LabVIEW™ or Python-based lab automation frameworks for scheduled batch runs and remote monitoring. All parameter changes are timestamped and logged internally (last 100 events), satisfying basic FDA 21 CFR Part 11 data integrity expectations when paired with institutional electronic lab notebook (ELN) systems. Audit trails may be exported as CSV for archival or QA review.
Applications
- Microbial growth studies (E. coli, yeast, bacilli) under controlled aerobic conditions
- Protein expression optimization in shake-flask bioreactors
- Solubility and dissolution rate profiling of pharmaceutical excipients
- Antibiotic susceptibility testing using broth microdilution methods (CLSI M07-A10 compliant protocols)
- Cell lysis buffer equilibration prior to centrifugation or chromatography injection
- Environmental microbiology: enrichment cultures for soil/water isolates
FAQ
What is the maximum load capacity of the THZ-D platform?
The unit supports up to 15 kg distributed evenly across the platform surface, with recommended loading limited to 80% of rated capacity for optimal thermal uniformity and mechanical longevity.
Can the THZ-D operate continuously for 72+ hours?
Yes—designed for unattended extended operation; internal thermal protection and motor thermal sensors prevent degradation under sustained duty cycles.
Is external calibration certification available?
Third-party calibration certificates (NIST-traceable thermistor and tachometer verification) can be arranged through authorized service partners upon request.
Does the THZ-D support programmable ramping (e.g., gradual temperature increase)?
Yes—ramp rates from 0.1 to 5.0 °C/min are configurable, with hold steps at intermediate setpoints for staged incubation protocols.
What maintenance intervals are recommended?
Biannual inspection of drive belt tension and chamber seal integrity is advised; no lubrication of motor or bearings is required due to sealed brushless construction.
