Table of Contents
Advertisement
• Only fuses with the required rated current, voltage, and specified
• Do not install substitute parts or perform any unauthorized modi-
• Certain test measurements described in the manual are performed
• Any maintenance and repair of the opened instrument under volt-
• Capacitors inside the instrument may still be charged even if the
1-4
ADFM Components Overview
Figure 1-13 illustrates the three major components of a ADFM system. Two
components are installed at each site: a transducer, installed in the bottom
of a pipe or channel, and its Electronics Unit, installed nearby in a non-
hazardous atmosphere. These two components communicate with the third
system component, a remote host IBM compatible PC computer, either via
a Modem, or a serial data interface (RS-232 or RS-422).
Computer with Modem
Figure 1-1.
ADFM Technical Manual (January 2000)
type should be used. Do not repair fuses or short circuit fuse-
holders. To do so could cause a shock or fire hazard.
fications to the instrument.
with power supplied to the instrument while protective covers
are removed. Energy available at many points may, if contacted,
result in personal injury.
age should be avoided as much as possible, and when inevitable,
should be carried out only by a skilled person who is aware of
the hazards involved.
instrument has been disconnected from its source of supply.
Telephone line
ADFM Components
Introduction to the ADFM Velocity Profiler™
Laptop computer
Serial cable
Transducer cable
Transducer
page 1-3
Advertisement
Table of Contents
