Model 11-R
GRIMM AEROSOL TECHNIK GmbH & Co.KG Seite 11 von 83
1.4 Fundamental safety instructions
1.4.1 Safety provisions
The manufacturer rejects any direct or indirect liability if the operator opens or manipulates the device!
The device was built and inspected according to DIN EN 61326-1: 2013 “Electrical equipment for
measurement, control and laboratory use – EMC requirements”, and left the plant in flawless safety-
related condition. In order to maintain this condition and ensure safe operation, the user has to observe
the information and warnings contained in these instructions for use.
If it can be assumed that safe operation is no longer possible, the device must be taken out of operation
and secured against unintended use. It can be assumed that safe operation is no longer possible in the
following cases:
If the device exhibits visible damage
If the device no longer functions after use
After extended storage under unfavourable conditions
After transportation under unfavourable conditions
Failure to observe the acclimatisation time after transportation at low temperatures prior to operation
can cause damage to the pump due to condensation. In this case the electronic overcurrent protection
device will shut the unit down entirely. The wait time until resuming operation can be reduced by drying
in a heating cabinet. GRIMM Aerosol Technik recommends an acclimatisation time of approximately 8
hours at approximately 20°C and 40-45% relative humidity.
Do not operate the measuring equipment without the PTFE filter, since the PTFE
filter is installed before the pump and therefore protects it!
1.4.2 Electrical safety
Before using the power supply, verify that the mains voltage is in the allowable range for the device. The
dust monitor may only be operated with the specified voltage (power supply, 18V).
The installed lithium-ion battery (Li-Ion battery back 11.1V 48.8 Wh) is used to operate the de-
vice without requiring a mains connection and may only be replaced by an authorised service
technician.
The fuses installed in the device may only be replaced by trained service personnel! Since the
device is protected by an electronic overcurrent protection device, the fuses only burn out in
case of a serious fault.
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