Features
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In-Vessel Automatic Temperature Control
The ATC-400CE Automatic Temperature Control system allows continuous monitoring and control (± 1 °C) of internal temperature within a standard Milestone reference vessel. The temperature sensor is housed in a thermowell and protected from chemical attack by a triple layer of PTFE/ceramic/PTFE, ensuring trouble-free operation.
The maximum operating temperature of the ATC-400CE is 300 °C, making it far more rugged than fiber-optic designs currently on the market. The probe is designed for easy and rapid insertion and removal.
Infrared Temperature Control
The IRTC-500 is a focused, high-sensitivity IR sensor for contactless temperature monitoring of all sample vessels. This feature is used to monitor the vessel and rotor surface temperature, protecting these components from overheating during aggressive digestions. Limits can be set through the control software. The side-mounted design prevents damage from accidental acid spills inside of the cavity.
Internal Pressure Monitoring
The APC-55 Automatic Pressure Control system allows continuous monitoring and control (± 1 bar) of internal vapor pressure within a standard Milestone reference vessel. The solid state sensor is mounted outside the chassis, protecting it from corrosive acid vapors.
Suggested use of pressure monitoring would be for highly reactive samples or "unknowns." Pressure monitoring and control is ideal for method development, to maintain pressure limits of the selected digestion accessory.
QP Reaction Sensor
The QP Reaction sensor is the industry's only patented sensor for real time monitoring of reaction chemistry. As a simple function of the temperature and pressure inside the vessels, reaction products diffuse through the vessel walls in minute quantities. The sensitive QP sensor allows one to monitor and set a limit on the diffusion rate for the digestion run. If the QP limit is exceeded, the Ethos automatically lowers the power output, thereby limiting the internal pressure and preventing vessel venting. All vessels in the cavity are monitored simultaneously.
(A tech note on the QP sensor is available upon request: click here.)
This technology is far more advanced than other "event sensors" that merely indicate when a burst disk has ruptured and allow the operator to stop the sample run. The Ethos takes this control a step further by allowing real-time interaction from the user to change the sample run during operation, modifying a temperature ramp, target temperature, or other parameter of choice. (You can read more about software features here.) This technology helps to speed you through method development without wasting valuable time or sample.
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