Chapter 3. Programming
52 PanaFlow™ XMT1000 User’s Manual
4. If [Path Error Handling] is set to On, the meter will continue to provide measurements even if one or two channels
are in error. Unless, all three channels (for 3 Path (TD-TD-TD)) are in error the flow measurement continues.
Figure 45: Path Configuration
3.6.4 Programming the Flow and Diagnostic Limits
Use steps as in section “Log-in and Primary Pages” to navigate to the Programming page. Refer to Figure 46 for the
Path configuration options.
1. Highlight [Composite] and press [ENTER]. Scroll down and select [Limits] and press [ENTER].
2. Program the minimum flow velocity in [Min Velocity] and maximum flow velocity in [Max Velocity].
3. Program the appropriate velocity warning limits in [Min Vel Warn Limit] and [Max Vel Warn Limit]. The values
programmed in the warning limits should be tighter than those programmed in [Min Velocity] and [Max
Velocity] for early warning indications on the LCD and Errors.
4. To cutoff the near zero measurements program an appropriate value in [Zero Cutoff].
a.
In order to see stable averaged flow, program the time window for which flow should be averaged in [Flow
Averaging]
. For example if a value 16 is programmed in for [Flow Averaging], the flow value will have the average
of the last 16s of flow values. This allows the flow values on the display and the outputs to be less noisy.
5. If in section “Programming the Fluid” on page 50, Tracking was selected as OFF, program the [Soundspeed Error
%]. This configuration will be used to validate if the measured sound speed is within the programmed range of
the nominal sound speed. In case the measured sound speed is outside the [Soundspeed Error %] of the
nominal sound speed a E2: Soundspeed Error is reported.
Figure 46: Flow and Diagnostic Limits
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