Bruker AVANCE - Figure 10.4: Helium Compressor - Indoor Water Cooled

CryoProbe and Other Accessories
H157655_1_008 87
Characteristics
Inlet Temperature Range [°C] (°F) [4.0 ~ 28.0] (39.2 ~ 82.4)
Inlet Pressure Range [MPa] (psig) [0.10 ~ 0.69] (14.5 ~ 100)
Flow Rate [liter/min.] (gallon/min.) [4.0 ~ 10.0] (1.1 ~2.6)
Pressure Drop [MPa] (psig) [0.025 ~ 0.085] (3.55 ~ 12.1)
Heat Output [kW ] (BTU/Hr) into
the water (residual of 0.5 kW into
air)
<Steady State>
[< 6.5] (< 22180) for 50Hz
[< 7.5] (< 25590) for 60Hz
<Maximum>
[< 7.2] (< 24570) for 50Hz
[< 8.3] (< 28320) for 60Hz
Quality
pH Value
Electrical Conductivity
Chloride Ion
Sulfate Ion
M-Alkalinity
Total Hardness
Calcium Hardness
Ionic Silica
Iron
Copper
Sulfide Ion
Ammonium ion
Residual Chlorine
Free Carbon Dioxide
Stability Index
Suspended Matter
Particle Size
6.5 to 8.2 at 25 °C (77 °F)
< 80 mS / m
< 200 mg/liter
< 200 mg/liter
< 100 mg/liter
< 200 mg/liter
< 150 mg/liter
< 50 mg/liter
< 1.0 mg/liter
< 0.3 mg/liter
None, Not detectable
< 1.0 mg/liter
< 0.3 mg/liter
< 4.0 mg/liter
6.0 to 7.0
< 10 mg/liter
< 100 μm
Table10.2: Cooling Water Specifications
• Ambient operating temperature 5–28ºC.
Figure10.4: Helium Compressor - Indoor Water Cooled