Teledyne 3300TB - Low cost trace oxygen analyzer - Manual (Page 5)

v Teledyne Analytical Instruments
Model 3300TB complies with all of the requirements of the
Commonwealth of Europe (CE) for Radio Frequency Interference,
Electromagnetic Interference (RFI/EMI), and Low Voltage Directive
(LVD).
The following International Symbols are used throughout the Instruc-
tion Manual for your visual and immediate warnings and when you
have to attend CAUTION while operating the instrument:
GROUND
Protective Earth
CAUTION, Risk of Electric Shock
STAND-BY, Instrument is on Stand-by,
but circuit is active
CAUTION, The operator needs to refer to the manual
for further information. Failure to do so may
compromise the safe operation of the equipment.