Shel Lab Digital Circulating Waterbath 22 L with Lid

SHEL LAB 22 L Digital Circulating Water Bath (SWBC22) with Stainless Steel Lid

The SHEL LAB SWBC22 is a high-performance, 22-liter digital circulating water bath engineered for precise temperature control and uniform heating in analytical, clinical, and quality control laboratories. Featuring a unique air jacket design and a built-in circulation system, this benchtop unit eliminates the chronic challenges of tank hot spots and thermal stratification. It comes standard with a stainless steel gabled cover and intuitive touchpad controls, making it an exceptional choice for facilities requiring strict IQ/OQ/PQ process validation.

Technical Performance & Design

• Warm Air Jacket Heating: Engineered with a specialized air jacket architecture that radiates heat evenly around the sides and bottom of the tank, effectively eliminating localized hot spots without relying on exposed internal coils.
• Non-Contact Recessed Heating Element: Features a recessed heating design positioned outside the fluid path, preventing catastrophic element burnout if the water level inadvertently drops below operational thresholds.
• Integrated Active Circulation: Equipped with an internal fluid movement mechanism that ensures rapid thermal recovery and superior liquid temperature uniformity of ±0.2°C at 37°C.
• Easy-to-Clean Polymer-Coated Tank: The deep, seamless stainless steel tank interior is enhanced with a durable polymer coating, providing a smooth surface that simplifies routine cleaning and scaling removal.

Product Specifications

• Model Number: SWBC22 (115V Standard Configuration)
• Total Volume Capacity: 22 Liters (0.78 cubic feet)
• Working Temperature Range: Ambient +5°C to 80°C
• Temperature Uniformity / Stability: ±0.2°C at 37°C
• Temperature Controller: Digital PID microprocessor with integrated touchpad calibration capability
• Chamber Dimensions (W x D x H): 11.5 x 19.5 x 6.2 inches (292 x 495 x 158 mm)
• Exterior Dimensions (W x D x H): 15.0 x 25.5 x 9.0 inches (381 x 648 x 229 mm)
• Electrical Requirements: 110V - 120V AC, 50/60 Hz (230V configuration available via model SWBC22-2)
• Included Accessories: One (1) Stainless Steel Gable Cover, Thermometer Clip

Key Benefits & Applications

• Microbiological & Bacteriological Examinations: Provides the stable, continuous incubation conditions required for waterborne pathogen detection, coliform determinations, and enzymatic assays.
• Industrial Food Processing & QC: Ideal for standard food safety tempering protocols, media preparation, and quality control sample warming profiles.
• Validation-Ready Workflows: User-accessible calibration parameters via the digital display allow quality assurance teams to easily align the bath with facility master calibration standards for strict compliance.
• Evaporation Control Metallurgy: The included stainless steel gabled cover directs condensation back down the side walls of the bath rather than dropping straight into sample containers, preserving concentration purity.

Used, tested to be in great working condition. See working video here!

SHEL LAB® is a registered trademark of Sheldon Manufacturing, Inc. Specifications are based on nominal values at an ambient temperature of 25°C and compliant line voltages determined in accordance with DIN 12880 guidelines.