Maintenance
3500/42 Operation and Maintenance
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Velocity Default OK Limits Table
Transducer
Lower Ok Limit
(volts)
Upper Ok Limit
(volts)
9200 w/ &w/o barriers
-2.0 to -2.1
-17.9 to -18.0
86205 w/ & w/o barriers
-2.0 to -2.1
-17.9 to -18.0
47633 w/ & w/o barriers
-2.0 to -2.1
-17.9 to -18.0
non std w/ &w/o barriers
-2.0 to -2.1
-17.9 to -18.0
Velomitor (standard with
Internal Barrier or standard
I/O Module)
-4.1 to -4.2
-19.8 to -19.9
Velomitor (high temp with
Internal Barrier or standard
I/O Module)
-2.69 to -2.79
-21.21 to -21.31
Velomitor (standard with
TMR I/O Module)
-4.1 to -4.2
-19.8 to -19.9
Velomitor (high temp with
TMR I/O Module)
-4.1 to -4.2
-19.8 to -19.9
Note: Assume ±50 mV accuracy for check tolerance.
5.1.9
Acceleration Channels
The following sections will describe how to test alarms, verify channels, verify
filter corner Frequencies, and test OK limits for channels configured as
Acceleration. The output values and alarm setpoints are verified by varying the
input signal level and observing that the correct results are reported in the
Verification screen on the test computer.
Acceleration channels can be configured for the following channel values and
alarms:
Channel Values
Alarms
Over
Under
Direct
X
5.1.9.1
Test Equipment and Software Setup - Acceleration
The following test equipment and software setup can be used as the initial setup
needed for all the verification procedures (Test Alarms, Verify Channels, Verify
Filter Corner Frequencies, and Test OK limits).
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