Novanta SYNRAD Pulstar p100, Руководство пользователя

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FOCUSING OPTICS PAGE | 33
Cooling guidelines
NOVANTA® recommends that the laser’s cooling fluid contain at least 90% water (distilled or tap) by
volume. In closed loop systems, use a corrosion inhibitor such as Optishield© Plus or equivalent. Avoid
glycol-based additives as they reduce the coolant’s capacity and high concentrations may affect power
stability. For NOVANTA lasers, the minimum coolant setpoint is 18 °C (64) °F so glycol is not necessary
unless the chiller is subjected to freezing temperatures.
•
In applications where biocides containing chlorides are used, concentrations should not exceed
25 parts per million (PPM).
•
Maintain a coolant pH level above 7.0. We recommend the installation of a filter on the chiller’s
return line, especially in areas where water hardness is a problem.
Coolant temperature
Set a chiller temperature set-point between 18–22 °C (64–72 °F). The set-point temperature MUST be
maintained above the dew point temperature. Operating the laser with a coolant temperature below the
dew point of the surrounding air may cause condensation to occur that will damage the laser.
Condensation
Inspect the laser daily for signs of water condensation during operation. Condensation causes damage to
electrical and optical components.
Do NOT operate the laser in a condensing environment—the laser will be damaged! Refer to the
p100/150 Technical Reference section in this manual for additional steps you can take to prevent
condensation damage.