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Darwin Chambers
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Stability Refrigerators

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Stability Refrigerators – ST Series

The Darwin Chambers Stability Refrigerators are designed for performance specifications exceeding FDA and ICH requirements.Thousands of our stability refrigerators are presently in use by many pharmaceutical, cosmetic, nutraceutical, medical device, therapeutic pharmaceuticals, pharmaceutical stress testing, and other research companies around the world. Our ST series stability refrigerators provide the highest level of performance and construction with tight uniformity and control of temperature. They are a common product among laboratory researchers looking for exceptional precision and virtually unlimited customization options available.
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ST011

The ST011 is a bench top stability refrigerator designed to fit on 24” benchtops or stacked with optional racking.

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ST030

The ST030 is a single door stability refrigerator.

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ST034

The ST034 is a single-door stability refrigerator providing extra cubic feet designed for maximum capacity while still allowing passage through most commercial doorways.

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ST055

The ST055 is a 2-door stability refrigerator.

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ST084

The ST084 is a 3-door stability refrigerator.

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Features

ST Series

Our ST series come standard with the following: temperature range of 2° C to 15° C. Control of temperature at sensor of ±0.2° C. Uniformity inside chamber of ±1.0° C. Standard Microprocessor Controller with PID, autotuning, programmable alarms, ability to ramp/soak, process variable and setpoint variable offset, dual display of actual temperature and setpoint temperature (process variable and setpoint variable). Controls are able to be quickly exchanged for future upgrades or repair. As always, if you have different specifications, probes, microprocessors etc., we can probably do it.

Widely Proven, Non-Proprietary Controllers

Standard controllers for the ST Series are manufactured by Fuji Electric and are ideal for stability testing chambers. Unlike many proprietary controllers, this controller is commercially available and proven in tens of thousands of installations. Standard functions include: autotuning, fuzzy logic, PID control, programmable alarms, calibration capability, ramp/soak, offset capability, etc. A touchscreen control interface is optional. Other controller manufacturers are also supported (Watlow, Allen-Bradley etc.)

Services and Warranties

We offer 24 hour technical support throughout the lifetime of your chamber. In addition to standard warranties, we also offer extended warranties for cooling components, parts and labor. We also provide qualifications, validations and preventive maintenance services at an additional cost. Please ask for a quote.

Superior Control and Uniformity

The ST series chambers control well within the specifications required by the FDA and ICH for GMP studies. Standard control at the sensor in these chambers is ±0.2°C.

Quiet Operation

The ST series utilize quiet, highly efficient DC fans.

Options Available

  • Data Logging
  • Chart Recorders
  • Touch Screen Controls
  • Full swinging interior glass door (034)