Teledyne 651 - page 48

Instrument Operation Teledyne API Ultrafine Particle Monitor - Model 651
46 07506C DCN6727
Press MORE on the first Status screen to see the ADDITIONAL
STATUS settings. The photos below show the STATUS and
ADDITIONAL STATUS screens.
The Status screens display the following information:
Status Description
Concentration Represented in particles/cm3
Pulse Height The signal height in mV. The pulse height varies
with particle concentration and is useful for
indicating problems with the wick.
Optics Temp Temperature of the Optics in degrees Celsius. A
normal Optics temperature is 60°C.
Growth Tube Temp Temperature of the Growth Tube in degrees
Celsius. A normal Growth Tube temperature is
60°C.
Conditioner Temp Temperature of the Conditioner in degrees Celsius.
A normal Conditioner temperature is 20°C.
Vacuum The vacuum pressure in mbars (must be less than
half of the inlet pressure).
Inlet Pressure The atmospheric pressure in mbars. This
parameter is preset and can be used to indicate a
blockage.