Explanation Of Symbols - MACHEREY-NAGEL PF-12 Plus Handbuch

4. Explanation of symbols

The device type plate and these operating instructions contain the symbols or terms listed
below, which have the following meaning
Term / Symbol
Plus
Photometer PF-12
SN
4.8–6 V, 500 mA
IP68
MACHEREY-NAGEL
Meaning
Device type designation
Serial number of the device
Power supply
Direct voltage
Dust and water proof (Test conditions: 1 m water depth, 1 hour)
Identification USB interface
Attention (observe documentation)! Observe the safety instructions in
the operating instruction of the device
According to 2012/19/EU, it is prohibited to dispose of the device
through public waste disposal systems. Note also the information in
the "Disposal" section.
The CE symbol indicates fulfillment of the applicable harmonization
legislation of the European Community.
Identification of the manufacturer
This symbol indicates that there is a risk of electric shock.
This symbol indicates that the chemicals used have a corrosive
effect. Observe the safety measures in the laboratory and wear the
prescribed protective equipment. Observe the instructions in the
current safety data sheets (SDS) of the products used.
This symbol indicates that there may be a danger by using flam-
mable substances.
Explanations to the text. Tips and tricks for better handling.
Manual Photometer PF-12
Plus
EN, V2.00, 08.2021
41