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TECHNICAL NOTE
DOM Leak Detection Test
Yoohantech's YHSP-SA Electronic Leak Point Sensor was tested with water and DOM using identical module settings. In this test, water caused no alarm during 30 seconds of observation, while DOM reached the detection threshold in 5 seconds.
DOM Detection Test Video
YHSP-SA · Water & DOM ComparisonThe DOM solution was supplied by Hanwha Solutions in Ulsan, Korea.
Watch the water comparison test, followed by DOM detection and alarm activation.
01 / TEST RESULTS
Water: 30 s Observation · DOM: 5 s Detection
Note: 30 seconds is the observation period for the water test; 5 seconds is the time to reach the threshold in the DOM test. These figures represent different measurements.
What This
Test Examines
In addition to checking whether liquid contact triggered an alarm, this test examined the sensor's ability to distinguish water from the DOM solution.
Identical module settings were used for both tests to compare the sensor output and alarm status. The DOM test also measured the time taken to reach the detection threshold that triggers the alarm.
02 / TEST CONDITIONS
Test Equipment & Module Settings
The output and threshold values shown above are the displayed values used in this test. For field applications, confirm settings appropriate to the target liquid and operating conditions.
03 / TEST PROCEDURE
Test Procedure Shown in the Video
STEP 01
Check the Test Conditions
Check the sensor and detection module settings. Prepare water for the comparison test on the left and the DOM solution on the right, as shown in the video.
STEP 02
Add Water and Observe for 30 Seconds
Place the sensor in the test container and add water. Start timing and monitor whether the sensor output reaches the detection threshold or a leak alarm occurs.
STEP 03
Dry the Sensor and Keep the Same Settings
After the water test, completely remove moisture from the sensor. Prepare the DOM test while keeping the same module settings used in the water test.
STEP 04
Add DOM and Measure Detection Time
Add the DOM solution and monitor the sensor response. In the video, the output reached the detection threshold of 1.0569 in 5 seconds and triggered a leak alarm.
TECHNICAL INSIGHT
Selective Detection
Under Identical Settings
In this test, the YHSP-SA produced no leak alarm during 30 seconds of water exposure, while the DOM solution reached the detection threshold in 5 seconds. This demonstrates different alarm responses to water and DOM under these test conditions.
These results apply to the DOM solution and module settings used in this test. Detection characteristics and response times may vary with the target liquid, sensor condition, and operating conditions.
04 / QUESTIONS
Understanding the Test Results
Q. What does no alarm in the water test mean?
It means the sensor output did not reach the detection threshold during the 30-second observation period. This result should not be interpreted as proof that water has no effect under all conditions.
Q. How was the 5-second DOM detection time measured?
It is the time taken for the sensor output shown in the video to reach the configured detection threshold of 1.0569. This result was obtained with the DOM solution and module settings used in this test.
Q. Do these results also apply to other organic solvents?
Detection characteristics and response times may differ with the liquid and test conditions. Share the name of your target liquid, its Safety Data Sheet (SDS), and operating conditions so we can advise on suitable sensors and detection testing.
Industry-Specific Leak Detection Proposals
Semiconductors · Petrochemicals · Oil Refining · Batteries · Power Generation · Steel · Warehousing · Wastewater Treatment · Defense
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