Mobius Recycler

Mobius Recycler

ORTEC
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The ORTEC Möbius Recycler technology provides “tried and tested” liquid nitrogen cooling of your radiation detector in a system where LN2 requires refilling approximately once every other year under normal, continuous operating conditions. This is achieved by the integration of the Sunpower® cryocooler and a specially designed 27-litre liquid nitrogen dewar.

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The ORTEC Möbius Recycler technology provides “tried and tested” liquid nitrogen cooling of your radiation detector in a system where LN2 requires refilling approximately once every other year under normal, continuous operating conditions. This is achieved by the integration of the Sunpower® cryocooler and a specially designed 27-litre liquid nitrogen dewar.

The Möbius Recycler provides an excellent strategy for managing counting laboratories which have periodic power failures. A “smart” cooler controller senses when the Möbius is operating on an uninterrupted power supply (UPS) and automatically disables the cryocooler to minimize the power drain. This feature allows extended system operation when using smaller-capacity UPS systems.

The predictive “time to empty” LN2 level monitor provides status regardless of mains power loss. While your laboratory may be in the dark, you won’t be, when it comes to knowing “time to empty” of the LN2 dewar.

Mobius is available in a top load configuration for vertical and horizontal cryostats and with a side-looking or J-type cryostat.

SKU: OSR0009 Category:
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ORTEC
Refill Period After the detector is cool and the LN2 is topped off, the Möbius system can run for 2 years or longer without filling. This is based on the sealing technology and assumes that it is operating in uninterrupted, steady-state conditions.
Maintenance Easily removable, washable, air inlet filter. No other maintenance is required.
Remote Display The remote display attaches to the system with an umbilical cord and can be remotely mounted to improve visibility when the detector is placed in a lead shield.
The display indicates LN2 fill height level, power consumption, pressure and overall status information. The user is warned when the dewar level drops below 70% full.
Internal Controller The control electronics and power supply are electrically isolated from the dewar, as is the cooler, and protected from LN2 spillage.
Level Sensing A capacitance level sensor provides a continuous measurement of the LN2 level from 0–100% full.
Use with UPS Systems The Möbius Recycler contains a small onboard computer which can receive input in the event of power loss. The input causes the system to enter power-saving mode and turn off the cryocooler. With the cryocooler turned off, the onboard computer and diagnostic electronics may be powered by a small UPS.
LN2 Holding Time
(in case of power loss)		 Approximately 7–10 days for a typical detector in a Streamline cryostat if Möbius is full.
Approximately 4–7 days for a typical detector in a PopTop cryostat if Möbius is full.
LN2 Loss Rate Approximately 3 liters per day when the cooler is off. Operates as a standard dewar when power loss occurs.
Spectroscopic Performance When purchasing a new ORTEC detector with a Möbius, the resolution is based on the detector datasheet. Above 15 keV, no degradation of the detector warranted resolution. Below 15 keV, less than 10% of the warranted resolution.

For existing ORTEC detector systems: when replacing an existing dewar or X-COOLER with a Möbius, resolution degradation is based on the existing detector performance. It is expected that the detector will have a similar performance compared to using a standard liquid nitrogen dewar. Some degradation may occur, depending on the age and configuration of the detector.

 

Mechanical

Dewar Capacity 27 Liters, excluding detector dipstick volume.
Cooler AMETEK SUNPOWER with passive vibration dampening.
Auxiliary Cooling Internal fan.
Audible Noise Less than 60 dB (A) at 1 meter fully operational, below 30°C ambient.
Electrical Supply 100–240 V AC auto ranging from 120 to 240 V, 50 to 60 Hz.
Normal Power Consumption 125 W typical, 350 W maximum.
Dimensions See drawings in detector configuration guide.
Weight (excluding cryostat and detector 63 lb (28.58 kg) empty. 113 lb (51.26 kg) full.
Operating Temperature 0 to 40°C. 20% to 90% relative humidity, non-condensing.
Warranty 2 years on Möbius unit only (excludes HPGe detector).
CE Conforms to CE standards for radiated and conducted emissions, susceptibility and low-voltage power directives.
NRTL Certification verifies, through OSHA-approved NRTL certification authority SGS, that the product meets U.S. electrical safety standards (UL/ANSI).

 

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