Titan HLC-0840S Integrated Low-Temperature to High-Temperature Circulating Chiller

Overview

The Titan HLC-0840S is an integrated low-temperature to high-temperature circulating chiller engineered for precision thermal control in demanding laboratory and industrial R&D environments. Utilizing a dual-mode refrigeration–heating system with cascade compressor architecture and PID-controlled electric heating elements, the unit maintains stable bath temperatures across an exceptionally wide operational range—from −40 °C to +200 °C—without requiring external heat transfer fluids or auxiliary cooling units. Its thermally insulated stainless-steel bath, combined with high-efficiency heat exchangers and a low-noise scroll compressor, ensures consistent thermal delivery under continuous duty cycling. Designed for integration with external equipment—including spectrometers, rheometers, calorimeters, and reaction jackets—the HLC-0840S serves as a centralized temperature source where reproducibility, long-term stability, and fluid compatibility are critical.

Key Features

• Wide-Range Thermal Control: Achieves and sustains temperatures from −40 °C to +200 °C in a single compact unit, eliminating the need for separate cryogenic and high-temperature systems.
• High-Stability Regulation: Delivers ±0.03 °C temperature uniformity over time, enabled by a high-resolution Pt100 sensor array, adaptive PID algorithm, and real-time compensation for ambient load fluctuations.
• Robust Fluid Circulation System: Features a corrosion-resistant magnetic-drive centrifugal pump delivering up to 22 L/min at 0.3 bar discharge pressure, with suction capability of 0.2 bar—optimized for closed-loop applications with elevated head loss.
• Water-Cooled Condensation: Integrates a water-cooled condenser compatible with standard laboratory tap water or recirculating cooling towers, improving energy efficiency and reducing ambient heat rejection compared to air-cooled alternatives.
• Integrated Safety Architecture: Includes dry-run protection, over-temperature cutoff, low-level fluid alarm, high-pressure cutout, and ground-fault circuit interruption (GFCI) compliant with IEC 61000-6-3 EMC standards.
• Stainless Steel Construction: 8 L bath volume constructed from electropolished 316 stainless steel with reinforced insulation, supporting compatibility with water, water–glycol mixtures, silicone oils, and other low-volatility heat transfer media.

Sample Compatibility & Compliance

The HLC-0840S supports a broad spectrum of heat transfer fluids, including deionized water, 30–50% aqueous ethylene glycol solutions (for sub-zero operation), and high-boiling-point silicone oils (up to 200 °C). All wetted components—including pump housing, tubing ports, and bath interior—are chemically inert and passivated per ASTM A967 for stainless steel. The unit complies with CE marking requirements (2014/30/EU EMC Directive and 2014/35/EU LVD Directive), conforms to ISO 17025-relevant environmental monitoring practices, and supports GLP-compliant operation when paired with external data loggers meeting FDA 21 CFR Part 11 audit-trail requirements.

Software & Data Management

The HLC-0840S includes an embedded 4.3-inch capacitive touchscreen interface with intuitive menu navigation, programmable ramp–soak profiles, and real-time display of bath temperature, outlet temperature, flow rate, and system status. Optional RS485 Modbus RTU and Ethernet TCP/IP interfaces enable remote monitoring and control via LabVIEW, MATLAB, or custom SCADA platforms. When connected to Titan’s optional TitanLink™ software (v3.2+), users gain access to automated calibration logging, event-driven alarms with email/SMS notification, and exportable CSV reports traceable to NIST-traceable reference standards.

Applications

• Material testing: DSC and TGA sample stage conditioning, polymer crystallization studies, and viscoelastic characterization under controlled thermal gradients.
• Chemical synthesis: Jacketed reactor temperature control during exothermic/endothermic reactions, including Grignard, hydrogenation, and lithiation processes.
• Analytical instrumentation: Stabilization of detector housings in FTIR, UV-Vis, and fluorescence spectrophotometers; thermal management of HPLC column ovens and autosampler trays.
• Calibration laboratories: Providing traceable thermal references for thermometer, thermocouple, and RTD calibration across extended ranges.
• Electronics reliability testing: Thermal cycling of PCB assemblies and semiconductor packages per JEDEC JESD22-A104 and MIL-STD-810H protocols.

FAQ

What heat transfer fluids are recommended for operation below −20 °C?
A 40% ethylene glycol–water mixture is validated for reliable performance down to −40 °C; avoid methanol-based fluids due to volatility and material compatibility concerns.
Can the HLC-0840S be used with open-bath external systems?
Yes—its positive-displacement pump and adjustable flow control support both closed-loop circulation and open-bath immersion applications, provided the external reservoir maintains adequate fluid level and backpressure limits are observed.
Is the unit suitable for cleanroom environments?
With optional HEPA-filtered air intake and non-shedding pump seals, the HLC-0840S meets ISO Class 7 cleanroom particulate requirements when installed with appropriate ventilation ducting.
Does Titan provide IQ/OQ documentation for GMP facilities?
Yes—factory-verified Installation Qualification (IQ) and Operational Qualification (OQ) protocols are available upon request and align with Annex 15 and USP analytical instrument qualification guidelines.
How often does the refrigerant require servicing?
Under normal operation and proper fluid maintenance, the sealed R-513A/R-1234yf cascade refrigerant circuit requires no scheduled replenishment over a 10-year service life; annual leak inspection is recommended per ASHRAE Standard 15.