Multi-Tech Systems 7500 - Manual (Page 30)

Default Front Panel Display Screens ION 7500 / ION 7600 User’s Guide
Page 30 Chapter 2 - Using The Front Panel
44. PQ Vunb (PQ Volt Unbalance)
This numeric display contains the following EN50160 Voltage Unbalance data:
V unbal mean, V unbal mean min, V unbal mean max, and compliance
indicators (unbal N and unbal N
1
).
45. PQ Vhrm1 (PQ Volt Harmonics 1)
This bar graph display shows the following EN50160 Harmonics data: THD
mean, THD mean mn, THD mean max for all three voltage phases (10-minute
mean values, min and max values are updated every new observation period).
46. PQ Vhrm2 (PQ Volt Harmonics 2)
This numeric display shows EN50160 Harmonics compliance statistics for all
three voltage phases: Hrm N, Hrm N
1
, Hrm N
2
.
47. Avblty (Power Availability)
This numeric display provides the following measurements: availability (with
up-time in parts per million), number of nines, and evaluation time (in days).
48. Pr - Avblty (Previous Availability)
This three parameter display with timestamp indicates the number of
availability resets (including the most recent event’s timestamp), the previous
availability (with its timestamp), and the previous number of nines (with its
timestamp).
Trending Display Screens in the ION 7500
The ION 7500 meter supports trending display in its framework. Each trending
display has two views - graph and log - which are accessible via softkey once you
are displaying the trend screen. As previously mentioned, the softkey numbering
for an ION 7500 meter’s display screens must be adjusted from the numbering
presented for the ION 7600
V Trend (Voltage Trend Display)
The voltage trend display graphs the VII avg trend. This display is Softkey 13.
I Trend (Current Trend Display)
The current trend display graphs the I avg trend. This display is accessed with
Softkey 14.
P Trend (Power Trend Display)
The power trend display graphs the KW tot trend. This display is accessed with
Softkey 15.