14 (41) BRUKER BCU05 Version 006
BCU05 HR applications
Operating notes 1.4
1. The BCU05 is be powered by the BVT3000/3300 and is designed for 24 hours
a day operation as long as the probe is not exchanged. If the probe is to be ex-
changed then switch off the unit and wait for 10 minutes before handling. The
exchanger tip must be de-iced before connecting on probe. Put vacuum
grease on glass ball joint.
2. Never operate the unit without first gas flowing through the heat exchanger.
Otherwise ice may form and clog the heat exchanger. The input gas should be
dry, oilless and dust free if not serious damage to the probe may result.
3. The BCU05 is designed to take its gas input from the BVT2000, or BVT3000/
3300.
4. Output:
The temperature of the output gas is not directly controllable. Its tempera-
ture will depend on:
a) The input gas temperature
b) The ambient room temperature
c) The throughput i.e. flow rate.
A variation of one or more of the parameters above can bring along a varia-
tion of the output temperature.
5. Sample temperature range: The BCU05 guarantees to cool the sample within
the magnet to at least -5°C for a room temperature of 25°C. Slightly lower tem-
peratures may be possible depending upon the type of probe, input air temper-
ature, room temperature.
6. Location: The BCU05 is designed to be positioned at approximately 2m from
the magnet probe.
7. Dew point : for an input air and room temperature of 20°C the output tempera-
ture will be approximately -45°C. To avoid freezing/ice formation the input air
dew point should be at least -50°C.
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