Beifen Sanpu HH-W600 Digital Display Triple-Function Constant-Temperature Water Bath

Overview

The Beifen Sanpu HH-W600 Digital Display Triple-Function Constant-Temperature Water Bath is a precision-engineered laboratory water bath designed for stable, uniform thermal control in routine and research-grade applications. Operating on the principle of convective heat transfer via immersion heating, the unit maintains consistent temperature distribution across its large-volume stainless-steel water chamber—critical for reproducible sample conditioning, solvent evaporation, enzymatic reactions, cell culture incubation, and reagent warming. Unlike circulating baths, the HH-W600 employs a static water reservoir with optimized heater placement (center-mounted tubular element), delivering rapid thermal response and high energy efficiency without requiring external pumps or tubing. Its triple-function capability supports simultaneous use as a water bath, dry bath (with optional metal blocks), and low-temperature incubation platform when paired with compatible accessories—making it a versatile core asset in QC labs, academic teaching facilities, and pharmaceutical R&D environments.

Key Features

• Robust construction: Seamless AISI 304 stainless-steel inner tank welded for corrosion resistance and long-term integrity; outer enclosure fabricated from cold-rolled steel with durable epoxy powder coating for chemical and abrasion resistance.
• Precision digital temperature control: Microprocessor-based PID controller with LED display enables setpoint adjustment in 0.1 °C increments and maintains stability within ±0.5 °C across the full 20–100 °C operating range.
• Intelligent safety architecture: Integrated low-water-level sensor automatically deactivates heating if water volume falls below the minimum immersion threshold, preventing dry-firing and thermal damage to the heating element.
• Over-temperature protection: Independent mechanical thermostat provides fail-safe cut-off at 110 °C, compliant with IEC 61010-1 requirements for laboratory electrical equipment.
• Grounded electrical design: Equipped with a standard 3-pin IEC C13 connector featuring dedicated earth pin—ensuring compliance with local electrical safety regulations and minimizing risk of leakage current in wet-lab environments.
• Energy-efficient operation: 1500 W heating system delivers rapid warm-up (typically <25 min to reach 100 °C from ambient) while maintaining low standby power consumption during extended holding periods.

Sample Compatibility & Compliance

The HH-W600 accommodates a wide range of sample formats—including glass beakers (up to 2 L), conical flasks, test tubes, cuvettes, and sealed reaction vessels—within its 600 × 300 × 220 mm chamber. The flat, unobstructed tank floor allows direct placement of auxiliary platforms such as aluminum heating blocks (optional) for dry-bath mode, enabling compatibility with vials, microcentrifuge tubes, and PCR strips. All materials in contact with water meet USP Class VI biocompatibility standards. The device conforms to ISO/IEC 17025-relevant environmental conditioning requirements and supports GLP-compliant workflows through documented temperature calibration traceability (calibration certificate available upon request). While not certified for medical device sterilization, it satisfies ASTM D1525 (heat deflection temperature) and ISO 10993-5 (cytotoxicity screening) preparatory thermal protocols.

Software & Data Management

The HH-W600 operates as a standalone analog-digital hybrid instrument with no embedded software or network interface. Temperature setpoints and real-time readings are managed exclusively via the front-panel LED display and tactile keypad. For laboratories requiring audit-ready records, optional RS-232 or USB-to-serial adapters enable connection to third-party data logging software (e.g., LabVIEW, MATLAB, or custom Python scripts) for time-stamped temperature capture. The unit supports manual calibration offset entry (±9.9 °C range), facilitating traceable adjustments aligned with NIST-traceable reference thermometers. All operational parameters—including power-on duration, maximum achieved temperature, and fault event logs (e.g., low-water alert)—are retained in non-volatile memory for post-run review.

Applications

• Controlled-rate solvent evaporation in analytical sample preparation prior to GC, HPLC, or ICP-MS analysis.
• Enzyme kinetics studies requiring precise thermal stabilization between 25–45 °C.
• Hydration and swelling tests for hydrogels and polymer films per ASTM D570.
• Pre-warming of culture media, agarose gels, and electrophoresis buffers in molecular biology workflows.
• Accelerated stability testing of pharmaceutical excipients under ICH Q1A(R3) guidelines (40 °C/75% RH simulated conditions using humidity-controlled enclosures).
• Calibration verification of liquid-in-glass thermometers and RTDs against reference standards.

FAQ

What is the minimum required water level to operate the HH-W600 safely?

The water level must fully submerge the immersed heating element—approximately 80 mm above the tank base. Operating below this threshold triggers automatic shutdown.
Can the HH-W600 be used for oil baths?

No. The unit is engineered exclusively for aqueous media. Using oils or organic solvents may degrade seals, compromise temperature uniformity, and void the warranty.
Is the temperature controller compliant with FDA 21 CFR Part 11?

The standalone PID controller does not support electronic signatures or audit trails. For Part 11 compliance, integrate with validated external data acquisition systems.
Does the HH-W600 include a calibration certificate?

A factory calibration report (traceable to national standards) is available as an optional add-on at time of order.
What maintenance is recommended for long-term reliability?

Monthly descaling with 5% citric acid solution is advised for hard-water regions; annual inspection of the heating element gasket and grounding continuity is recommended per ISO/IEC 17025 maintenance schedules.