DHP-600BS Electric Constant Temperature Incubator with Stainless Steel Chamber
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | DHP-600BS |
| Power Supply | 220 V AC, 600 W |
| Internal Chamber Dimensions (W×D×H) | 600 × 600 × 710 mm |
| External Dimensions (W×D×H) | 700 × 785 × 1060 mm |
| Price | USD 680 (FOB Shanghai) |
Overview
The DHP-600BS Electric Constant Temperature Incubator is a benchtop-to-floor-standing laboratory incubation system engineered for stable, uniform thermal environments in microbiological, biochemical, and cell culture applications. It operates on resistive heating principles combined with proportional-integral-derivative (PID) temperature control logic to maintain setpoint accuracy within ±0.5 °C across the full operating range (typically ambient +5 °C to 65 °C). The unit features a fully welded 304 stainless steel inner chamber—corrosion-resistant, non-porous, and compliant with ISO 14644-1 Class 8 cleanroom-compatible surface requirements—ensuring long-term integrity under repeated sterilization cycles and exposure to humid or mildly acidic culture media vapors. Its structural design prioritizes thermal inertia minimization and spatial homogeneity: double-wall insulation, rear-mounted heating elements, and an integrated low-turbulence air circulation system collectively reduce vertical/horizontal temperature gradients to ≤±0.8 °C at 37 °C (measured per ASTM E2912–22).
Key Features
- Stainless steel interior chamber (AISI 304) — seamless construction, electropolished finish, resistant to condensation-induced pitting and microbial adhesion
- Dual-layer tempered glass observation window with anti-fog coating — provides unobstructed visual monitoring without compromising thermal integrity or requiring frequent cleaning
- High-efficiency silicone rubber gasket seal — ensures >95% door closure retention force retention after 10,000 cycles (per DIN EN 179), supporting consistent chamber pressure equilibrium
- PID digital temperature controller with real-time display and adjustable hysteresis — supports programmable ramp-hold profiles and auto-calibration offset compensation
- Micro-airflow circulation system — optimized fan placement and baffle geometry yield laminar airflow patterns that suppress thermal stratification and support uniform CO₂ diffusion when used with optional gas modules
- Over-temperature safety cut-off (independent mechanical thermostat) — certified to IEC 61000-4-2/4-3 immunity standards and UL 61010-1 compliance
Sample Compatibility & Compliance
The DHP-600BS accommodates standard laboratory vessels including Petri dishes (up to 150 mm diameter), multi-well plates (6–96-well), culture flasks (T25–T225), and glass serum bottles. Its chamber volume (0.255 m³) supports stacking of up to four standard-height wire shelving tiers (included), each rated for 15 kg static load. The unit complies with GB/T 23794–2009 (Chinese national standard for electric incubators), and its electrical architecture meets CE marking requirements under the Low Voltage Directive (2014/35/EU) and EMC Directive (2014/30/EU). For regulated environments, it supports GLP/GMP documentation workflows through optional RS-232/USB data logging interfaces and audit-trail-capable firmware (upgradeable to FDA 21 CFR Part 11-compliant mode with validated software package).
Software & Data Management
While the base model operates via front-panel keypad interface, optional connectivity modules enable integration into centralized lab management systems. The optional DHP-Link™ firmware (v3.2+) provides time-stamped temperature logging at user-defined intervals (1–300 sec), CSV export via USB mass storage, and configurable alarm notifications (audible + relay output). All recorded data include metadata: operator ID, calibration certificate reference, environmental timestamp (NTP-synchronized), and sensor validation status. Raw log files are cryptographically signed to prevent post-acquisition tampering—meeting ALCOA+ (Attributable, Legible, Contemporaneous, Original, Accurate, Complete, Consistent, Enduring, Available) data integrity criteria.
Applications
This incubator is routinely deployed in quality control laboratories for aerobic plate counts (ISO 4833-1:2013), mold and yeast enumeration (ISO 21527-1:2008), and thermotolerant coliform testing (APHA Standard Methods 9221 B). In academic research, it supports bacterial growth kinetics studies (e.g., Escherichia coli OD600 monitoring), fungal sporulation assays, and insect cell line maintenance (Sf9, High Five™). Industrial users apply it for shelf-life validation of fermented foods (ISO 20976-1:2019), stability testing of probiotic formulations, and seed germination protocols under controlled hygrometric conditions (when paired with external humidity generator).
FAQ
What is the maximum operating temperature of the DHP-600BS?
The unit is rated for continuous operation from ambient +5 °C to 65 °C, with extended calibration validity confirmed up to 70 °C for short-duration validation runs.
Is the stainless steel chamber passivated per ASTM A967?
Yes—factory-applied nitric acid passivation (Method A) ensures optimal chromium oxide layer formation; certificate of conformance provided with each unit.
Can this incubator be used for CO₂-dependent cultures?
Not natively; however, third-party CO₂ injection manifolds (0–20% v/v range) may be retrofitted using the dedicated gas inlet port (¼” NPT) and validated via ISO 13408-2 bioburden reduction protocols.
Does the device include a built-in data logger?
No—the base configuration requires optional DHP-Log module for continuous recording; analog voltage output (0–5 V) is available for external DAQ systems.
What is the recommended recalibration interval?
Annual traceable calibration against NIST-traceable RTD standards is advised; internal sensor drift remains <±0.15 °C/year under typical lab conditions (20–25 °C, 40–60% RH).
