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9. Service, maintenance and disposal
9.1 Calibration and new adjustment
Each device is adjusted and checked before delivery. The condition as supplied to the customer is
measured and stored in electronic form.
The uncertainty of measurement devices may be altered during normal operation if, for example, the
specified ambient conditions are not met. If desired, in our factory a calibration can be performed,
including a new adjustment if necessary, to assure the accuracy of the device.
9.2 Cleaning
The operating keys should be cleaned in regular intervals. Use a dry or slightly moist cloth for this.
Damage due to detergents
Detergents can damage the device. Therefore, do not use detergents.
9.3 Battery
The device contains a battery for buffering the internal clock. It cannot be changed by the user. The
replacement can be done at the factory only.
In addition, devices with manufacturing date from 20/15 have a built-in UPS for bridging power supply
failures. The associated battery pack needs to be replaced regularly. Due to aging the capacity of the
battery decreases. To ensure a successful operation of the device during power interruptions the battery
needs to be replaced every 3 up to 5 years. This replacement can be done at the factory only and is a
standard procedure when the device is sent back for calibration.
9.4 Disposal
The product must be disposed in compliance with local regulations. This particularly applies to the built-in
batteries.
Potential for Fire or Burning. Do not disassemble, crush, heat or burn the
removed batteries.
PM 1002144 000 01
Device handbook PQ5000-MOBILE
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