SmartLab LB Series Low-Temperature Circulating Water Bath
| Origin | Taiwan |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Regional Origin | Domestic (China Market) |
| Model | LB Series |
| Pricing | Available Upon Request |
Overview
The SmartLab LB Series Low-Temperature Circulating Water Bath is an engineered thermal management system designed for precise, stable, and continuous temperature control in laboratory and analytical applications requiring sub-ambient operation. Operating within a calibrated range of –20 °C to –10 °C, the unit employs a closed-loop refrigeration cycle combined with immersion-type heating and high-efficiency circulation to maintain exceptional thermal uniformity and stability. Its core architecture integrates a microprocessor-based PID temperature controller with solid-state relay (SSR) output and a platinum resistance thermometer (PT100 Ω) for real-time feedback—ensuring responsive regulation and minimizing overshoot or drift. The system is optimized for use with external equipment such as spectrophotometers, viscometers, calorimeters, and reaction jackets where consistent heat extraction or low-temperature stabilization is critical.
Key Features
- Precise temperature control with ±0.2 °C stability and 0.1 °C resolution across the full operating range
- High-capacity circulation pump delivering up to 9 L/min flow rate at 2 m water head, supporting external loops with minimal pressure drop
- Imported high-efficiency, low-noise compressors (1/4 HP to 1 HP, model-dependent), selected from European and American OEM suppliers for long-term reliability
- Embedded self-diagnostic system with on-screen fault indication, including electronic overheat protection and compressor soft-start delay logic to reduce mechanical stress
- Immersion-style heater integrated into the circulation path—enabling rapid thermal recovery after load changes without compromising refrigeration integrity
- Robust stainless-steel inner tank construction and insulated outer housing for thermal efficiency and corrosion resistance
Sample Compatibility & Compliance
The LB Series accommodates a wide variety of external devices via standard 1/2″–3/4″ NPT or BSP inlet/outlet ports. It supports both aqueous and low-freezing-point coolant mixtures (e.g., 30% ethylene glycol/water) compatible with most laboratory instrumentation cooling interfaces. Units are CE-marked and comply with IEC 61010-1:2010 for safety in laboratory electrical equipment. While not certified for medical or pharmaceutical GMP production environments, the system meets general GLP requirements for instrument qualification when used with documented IQ/OQ protocols. Temperature logging and alarm outputs can be integrated into facility-wide monitoring systems for audit readiness.
Software & Data Management
The SmartLab LB bath operates via an embedded LCD interface with intuitive menu navigation—no external PC required for basic operation. Optional RS-485 (Modbus RTU) or analog 4–20 mA output modules enable integration with SCADA, LIMS, or building management systems for centralized monitoring and event-triggered alerts. All models support configurable high/low temperature alarms, pump run-time logging, and compressor cycle counters. For regulated environments, optional firmware upgrades provide FDA 21 CFR Part 11–compliant audit trails—including user login history, parameter change logs, and timestamped setpoint adjustments—when paired with validated third-party data acquisition software.
Applications
- Stabilization of optical components in UV-Vis and FTIR spectrometers during extended acquisition cycles
- Cooling of high-power laser sources and photodetectors to minimize thermal noise and wavelength drift
- Temperature control of reaction vessels in synthetic chemistry, especially exothermic processes requiring active heat removal
- Calibration support for thermocouples, RTDs, and digital temperature sensors under controlled sub-zero conditions
- Environmental simulation testing of materials and electronic assemblies at sustained low temperatures
- Support for rheological measurements where sample viscosity is highly temperature-sensitive below ambient
FAQ
What is the minimum achievable temperature for the LB-40 model?
The entire LB Series maintains a defined operational range of –20 °C to –10 °C; it is not designed for cryogenic operation below –20 °C.
Can this unit be used with silicone oil or other non-aqueous heat transfer fluids?
Yes—provided the fluid’s pour point is below –20 °C and its viscosity remains within the pump’s operational envelope (typically < 50 cSt at operating temperature). Consult technical documentation for compatibility verification.
Is remote monitoring supported out of the box?
Standard units include local display only; RS-485 or analog output modules are optional add-ons requiring factory configuration prior to shipment.
What maintenance intervals are recommended for compressor longevity?
Annual inspection of condenser coil cleanliness and refrigerant charge verification is advised; no scheduled oil changes are required due to sealed compressor design.
Does the three-year warranty cover labor and parts globally?
Warranty applies to parts and labor within regions served by authorized SmartLab distributors; international service requires prior coordination and may incur logistics fees.
