Medivance Arctic Sun 2000, Service Manual

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5.1.6 Environmental Requirements
The Calibration Test Unit should be stored and used in specific operating conditions:
Ambient Temperature Range:
Operating Temperatures: ............................................................. 18ºC to 24ºC (65ºF to 75ºF)
Storage Temperatures:............................................................... -30ºC to 50ºC (-20ºF to 120ºF)
Ambient Humidity Range:
Operating Relative Humidity............................................................5% to 95% non-condensing
Note:
If the CTU is used at a room temperature outside of the specified operating
range, the test system’s accuracy will be degraded.
5.2 The Test and Calibration Procedure
The entire test and calibration process takes approximately 75 minutes. Operator assistance is
required only in certain stages:
ƒ Stage 1: Warm-up, Flow Check, and Patient Temperature Calibration: 10 minutes (after a 10
minute warm-up), operator assistance required.
ƒ Stage 2: Water Temperature Calibration: 30 minutes, automatic.
ƒ Stage 3: Interim Results Reporting: 1 minute, operator assistance required.
ƒ Stage 4: Temperature Out Calibration: 30 minutes, automatic.
ƒ Stage 5: Acceptance: 1 minute, operator assistance required.
ƒ Stage 6: Water Temperature Alarm Test: 15 minutes, operator assistance
required
ƒ
Stage 7: Chiller Capacity Test: 15 minutes, operator assistance required