Scientz DLBC-1003 Rotational Viscometer-Specific Circulating Bath
| Brand | Scientz |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DLBC-1003 |
| Pricing | Upon Request |
| Temperature Control Accuracy | ±0.1 °C |
| Circulation Pressure Range | 0–0.45 bar |
| Maximum Flow Rate | 15 L/min |
| Cooling System | Fluorocarbon-Free Refrigeration |
| Internal/External Circulation | Switchable |
| Safety Features | Compressor Overheat & Overload Protection |
Overview
The Scientz DLBC-1003 Rotational Viscometer-Specific Circulating Bath is an engineered thermal management system designed to deliver precise, stable, and uniform temperature control for rotational viscometers and other precision rheological instruments. Operating on a fluorocarbon-free refrigeration principle, the unit integrates a high-efficiency compressor, imported heat exchangers, and PID-driven digital temperature regulation to maintain thermal equilibrium within ±0.1 °C across the working bath volume. Unlike general-purpose water or oil baths, the DLBC-1003 is purpose-built with mechanical and hydraulic interfaces optimized for seamless integration with Brookfield, Anton Paar, Thermo Fisher, and other major viscometer platforms—ensuring minimal thermal lag, consistent shear environment, and reproducible viscosity measurements under ISO 2555, ASTM D2196, and USP test conditions.
Key Features
- High-precision temperature regulation with ±0.1 °C stability over extended operation (24+ hours), validated per IEC 61000-4-30 thermal performance criteria;
- Adjustable circulation pressure (0–0.45 bar) and flow rate (up to 15 L/min), enabling dynamic matching to viscometer jacket inlet specifications and minimizing backpressure-induced pump cavitation;
- Dual-mode fluid path architecture: internal recirculation for standalone bath operation; external loop mode for direct connection to viscometer cooling jackets, heat exchangers, or Peltier-based sample holders;
- Intelligent safety architecture featuring real-time compressor thermal monitoring, current-sensing overload cutoff, and automatic shutdown upon sensor fault or coolant level deviation;
- Stainless steel 304 reservoir and sealed circulation pump housing ensure long-term corrosion resistance when operating with water, ethylene glycol/water mixtures, or silicone oils up to 150 °C;
- Front-panel digital interface with programmable timer, auto-start function, and setpoint memory retention during power interruption.
Sample Compatibility & Compliance
The DLBC-1003 supports temperature-controlled testing of Newtonian and non-Newtonian fluids—including polymer melts, pharmaceutical suspensions, cosmetic emulsions, and drilling muds—across a standard operating range of –10 °C to +100 °C (with optional high-temp configuration up to +150 °C). Its flow dynamics are calibrated to comply with viscometer manufacturer requirements for jacketed spindle systems (e.g., Brookfield UL Adapter, DVNext C-ET, and RheolabQC). The unit meets CE electromagnetic compatibility (EMC) Directive 2014/30/EU and Low Voltage Directive 2014/35/EU. When deployed in regulated environments, its programmable timer and thermal logging capability support GLP-compliant audit trails when paired with external data acquisition systems.
Software & Data Management
While the DLBC-1003 operates as a stand-alone instrument with local digital control, it includes RS-485 serial output (Modbus RTU protocol) for integration into centralized lab automation frameworks. This interface enables remote setpoint adjustment, real-time temperature readback, alarm status polling, and event-triggered logging—facilitating alignment with FDA 21 CFR Part 11 requirements when used alongside validated SCADA or LIMS platforms. No proprietary software is required; communication parameters are configurable via DIP switches and terminal commands documented in the IEC 61158-compliant protocol manual.
Applications
- Temperature-dependent viscosity profiling of thermosensitive biopolymers (e.g., hyaluronic acid, alginate) under shear-controlled conditions;
- Quality control of industrial lubricants and transformer oils per ASTM D445 and ISO 3104;
- Stability assessment of topical gels and injectable suspensions in pharmaceutical development;
- Calibration verification of rotational viscometers using NIST-traceable standard oils (e.g., Cannon-Manning series);
- Thermal preconditioning of samples prior to rheological characterization in oscillatory or creep tests;
- Supporting temperature ramp experiments in conjunction with controlled-rate viscometry protocols defined in ISO 6721-10.
FAQ
What temperature range is supported without modification?
The standard DLBC-1003 operates from –10 °C to +100 °C using deionized water or 30% ethylene glycol solution.
Can this bath be used with non-Scientz viscometers?
Yes—it features universal 1/4″ NPT inlet/outlet ports and adjustable flow/pressure, making it compatible with all major rotational viscometers requiring external temperature control.
Is the circulation pump compatible with silicone oil at 150 °C?
Only with the optional high-temperature configuration (DLBC-1003-HT), which includes upgraded seals, stainless steel pump internals, and thermal shielding.
Does the unit provide temperature calibration certificates?
Factory calibration is performed using PT100 reference probes traceable to CNAS-accredited standards; user-requested ISO/IEC 17025 calibration reports are available at order stage.
How is thermal uniformity verified inside the bath chamber?
Uniformity is validated per ASTM E1112 Annex A1 using a 9-point immersion probe array; typical deviation across 10 L working volume is ≤±0.05 °C at steady state.
