Starting Measurement; Finalizing Installation - Vaisala Optimus OPT100 Installation Manual

OPT100 Installation Guide
2. Each of the three relays is configured individually. For each relay:
a. Select relay Mode:
• In Normal mode, the relay is activated by the selected Trigger.
• In Test mode, the relay activation is controlled manually from the Set test state
buttons.
If the relay is not used, select the Test mode. You can also use it to test that wiring has
been connected correctly.
b. Select relay Trigger:
• Gas Caution activates the relay if any gas level alert of caution severity is active.
• Gas Alarm activates the relay if any gas level alert of alarm severity is active.
• Device Error activates the relay if a device error is active.
Settings are applied immediately.
5.14 Starting Measurement
In normal operation DGA monitor repeats the measurement cycle continuously. You can only
start the measurement if DGA monitor is currently in standby.
1. Start measurement from Control > Start Measuring.
Since this is the first time measurement is started after initialization, the DGA
monitor will perform autocalibration. Autocalibration improves measurement
performance by adapting the DGA monitor to transformer oil conditions.
After autocalibration, DGA monitor continues to measure normally.
Autocalibration takes from 2 to 5 days depending on conditions.
Measurements performed during autocalibration do not meet the accuracy
and repeatability specifications and they should not be used for transformer
diagnostics.
2. Wait for the first measurement cycle to complete. Depending on the starting conditions, it
may take up to 90 minutes. Verify that there are no oil leaks in the oil pipes or inside DGA
monitor.
5.15 Finalizing Installation
1. If you have connected DGA monitor to a host system using Ethernet or RS-485
connections, verify the availability of measurement data from the host system.
2. Verify that you have performed all installation steps according to the
(page 62).
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Installation Checklist