Coherent FieldMaxII-TOP Manuel d'utilisateur télécharger pdf (Page 66)

FieldMaxII-TO User Manual

Case Else

‘Unknown event

End Select

A Fault event indicates a meter malfunction. The fault

code may be queried by reading the cFM2Device.Last-

Fault property. The fault code may be dismissed by

calling the cFM2Device.DismissFault() method.

A Probe Removed event indicates that a probe was

removed from the meter. Data transmission will cease

when the probe is removed. If the meter USB disconnect

event occurs when the probe is connected, a Probe

Removed event will not happen before the Meter

Removed event.

A Probe Added event indicates that a probe was added

to the meter. Data transmission can happen only after a

probe is attached.

A Power On event indicates that meter power has been

turned on.

A Power Off event indicates that meter power has been

turned off.

A Measurement Data event indicates a valid measure-

ment reading is available The measurement reading is in

two parts: a value (Watts or Joules) and a period. The

value may be queried by reading the cFM2Device.Last-

Data property. The period may be queried by reading the

cFM2Device.LastPeriod property. The period is

expressed in units of 8 µsec intervals when a pyroelectric

probe is attached. When a thermopile or optical probe is

attached and an overtemperature condition exists, the

period is 1; otherwise, it is 0.

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Coherent FieldMaxII-TOP Manuel d'utilisateur Page 66