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9
Maintenance
Service Intervals
9-2
HERA
CELL VIOS
160i
/
250i
Thermo Scientific
Service Intervals
During running operation, the following service works must be performed:
3-month service:
• Run auto-start routine and steri-run decontamination routine.
• Perform temperature and CO
2
-/O
2
comparison measurement.
Annual service:
• Replace gas inlet filter.
• Perform Technical Service service inspection.
Preparing Temperature Calibration
To determine the exact measured value of the oven’s integral temperature sensor, a temperature
comparison measurement must be performed every three months. If a major temperature deviation is
found during this check, temperature calibration is required. During this process, the temperature
controller of the oven is set to the value measured during the temperature comparison measurement.
Use a calibrated measuring instrument with an accuracy of < ± 0.1°C for this test.
To minimize temperature variations during the measurement, put the measuring sensor in an
isothermal container (such as a bowl filled with glycerol) before placing it in the workspace. Use the
center of the work space as the reference location for the comparison measurement.
Note
Service contract:
Thermo Scientifc offer a device-specific service contact that comprises all test and service works
required.
Note
Isothermal container:
Do not use a container filled with water as an isothermal container because the evaporation of water
will result in a lower temperature reading.
Excessive workspace temperature:
Excessive workspace temperatures after the calibration can be reduced by leaving the doors open for
approx. 30 seconds.
Содержание HERACELL VIOS 160i
Страница 8: ...Table of Contents 6 HERACELL VIOS 160i 250i Thermo Scientific ...
Страница 12: ...Figures 4 HERACELL VIOS 160i 250i Thermo Scientific ...
Страница 76: ...5 Operation Starting operation 5 6 HERACELL VIOS 160i 250i Thermo Scientific ...
Страница 128: ...6 Handling and control Measures after power outage 6 52 HERACELL VIOS 160i 250i Thermo Scientific ...
Страница 154: ...9 Maintenance Replacing the Door Seal 9 12 HERACELL VIOS 160i 250i Thermo Scientific ...
Страница 166: ...11 Specifications HERACELL VIOS 250i 11 10 HERACELL VIOS 160i 250i Thermo Scientific ...
Страница 196: ...13 Device log 13 2 HERACELL VIOS 160i 250i Thermo Scientific ...