Zhongjiaojinyuan DX-2010 600W Benchtop Circulating Chiller

Overview

The Zhongjiaojinyuan DX-2010 is a compact, air-cooled benchtop circulating chiller engineered for precision temperature control in laboratory and pilot-scale applications. It operates on a non-cycling refrigeration architecture—eliminating compressor on/off cycling—and integrates a high-stability PID temperature controller with real-time feedback to deliver rapid thermal response and exceptional thermal uniformity within the reservoir and external loops. Designed for continuous 24/7 operation, the unit maintains stable setpoints across its full operating range (−20 °C to +30 °C) while delivering 600 W of cooling capacity at 20 °C ambient—a performance benchmark suitable for demanding thermal loads from rotary evaporators, bioreactors, jacketed reactors, and analytical instrumentation requiring active cooling. Its stainless steel (SUS304) reservoir features a wide-open top geometry (Φ250 mm × 200 mm depth), enabling direct immersion of reaction vessels or sensors, while the integrated circulation system supports closed-loop external cooling via standardized 1/2″–3/4″ NPT or BSP-compatible stainless steel fittings.

Key Features

• Integrated air-cooled refrigeration system with hermetically sealed scroll compressor, incorporating built-in thermal delay, overheat, and overcurrent protection circuits
• High-precision dual-display interface: separate red/green LED windows for real-time temperature reading and user-defined setpoint
• Software-locked parameter interface to prevent unauthorized modification of operational settings—supports lab access control protocols
• Ultra-low-noise centrifugal circulation pump rated for 15 L/min flow at up to 8 m head pressure, optimized for low-pulsation delivery in sensitive thermal applications
• Front-accessible service panel for routine maintenance—including heat exchanger cleaning without disassembly
• Stainless steel (SUS304) reservoir with corrosion-resistant finish, designed for compatibility with water, water–glycol mixtures, and other common heat-transfer fluids
• Compact vertical footprint (300 W × 400 D × 720 H mm) minimizing bench space requirements while maximizing internal volume (10 L)

Sample Compatibility & Compliance

The DX-2010 is compatible with standard laboratory fluid circuits using flexible silicone, EPDM, or fluoropolymer tubing (with appropriate adapter kits). Its reservoir and wetted components meet material compatibility standards for aqueous and mild organic coolant formulations. While not certified to specific regulatory frameworks (e.g., UL, CE, or FDA 21 CFR Part 11), the unit’s design aligns with general Good Laboratory Practice (GLP) expectations for thermal stability, traceable calibration, and operational repeatability. Temperature stability of ±0.1 °C supports compliance with ASTM E29–23 (standard practice for using significant digits in test data), ISO/IEC 17025:2017 clause 7.2.2 (method validation), and USP guidelines for analytical instrument qualification where thermal consistency is critical.

Software & Data Management

The DX-2010 operates via an embedded microcontroller-based control system with no external software dependency. All operational parameters—including setpoint, real-time bath temperature, pump status, and fault codes—are accessible through the front-panel interface. Though it lacks USB/Ethernet connectivity or data logging capability, its analog output option (0–5 V or 4–20 mA, configurable per OEM request) enables integration into centralized building management systems (BMS) or SCADA platforms for remote monitoring. For labs requiring audit trails, manual logbook entries or third-party data acquisition systems can be deployed in conjunction with the unit’s stable analog signal output.

Applications

• Cooling and temperature stabilization of rotary evaporators during solvent removal under reduced pressure
• Thermal management of jacketed glass reactors and pilot-scale bioreactors in pharmaceutical process development
• Condenser cooling for distillation and extraction systems requiring sub-ambient condensation temperatures
• Temperature control of laser sources, spectrophotometers, and X-ray diffractometers sensitive to thermal drift
• Low-temperature reaction baths for organometallic synthesis, cryo-chemistry, and enzyme kinetics studies
• Supporting GLP-compliant stability chambers and accelerated aging test setups via external loop integration

FAQ

What is the maximum allowable coolant viscosity for stable operation?
The pump is optimized for fluids with kinematic viscosity ≤ 20 cSt at operating temperature; glycol–water mixtures up to 40% v/v are supported without flow degradation.
Can the unit operate unattended for extended periods?
Yes—designed for continuous duty (24 h/day, 365 days/year) with redundant thermal and electrical safety interlocks.
Is external temperature sensor input supported?
No—the unit relies solely on its internal Pt100 sensor located in the reservoir; external probe integration requires custom signal conditioning hardware.
What maintenance intervals are recommended?
Compressor oil and refrigerant charge require no scheduled replacement; annual inspection of air intake filters and heat exchanger fins is advised.
Does the chiller support remote start/stop via dry contact?
Not by default; optional I/O expansion module (DX-IO-1) provides isolated relay outputs and TTL-level trigger inputs for system-level automation.