2025 VDIAGTOOL OT100 Engine Oil Tester Car Oil Quality Diagnostic Tools Water Content Indicator For Check Oil Quality Detector
Description
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VDIAGTOOL OT100 Engine Oil Tester:
VDIAGTOOL OT100 engine oil tester provides a reference for judging whether the engine oil is still usable or needs to be replaced.It mainly used for detecting the quality of the engine oil, so as to ensure that the engine oil are workable and drive safety.
Advantages Of OT100 Car Oil Quality Diagnostic Tools:
1. LCD display to tell you the test result.
2.Long probe designed for Motor vehicle,no need to take oil outside.
Instructions and precautions for use:
🏆Instructions:
1.Open the hood and find the dipstick
2.Press the power button to turn on the turbine oil detector.
3.Pull out the engine dipstick and put the probe into the dipstick hole
4.Click the button switches to turbine oil detection status
5.Wait for 10 seconds for to show the test results,click the the button to clear the measurement results
🏆Notice:
1.Water Content Indicator For Check Oil Quality Detector,OT100 ,can only test the engine oil added to gasoline vehicles and cannot test the engine oil added to diesel vehicles;
2.Normal test range: 30%-100%;
3.If the oil is lower than 30%, the engine oil should be changed;
4.new engine oil shows 100%;
5.Before testing, make sure the engine temperature must be below 60 degrees to avoid burning out the probe;
6.The probe must be kept clean;
7.When testing, make sure the probe does not touch the bottom of the engine to avoid a 500% situation;
8.Keep the battery with sufficient power.
Measurement Results Explanation:
1. below 30%,high water content, it is recommended to replace the engine oil.
2. between 30%-80%,your car engine oil content some water,but still able to work.
3. above 80%,your engine oil is in good condition.
Package List:
1 * Engine Oil Tester (or with 4pcs battery)
1 * packing box









Customer Reviews
19 reviews for 2025 VDIAGTOOL OT100 Engine Oil Tester Car Oil Quality Diagnostic Tools Water Content Indicator For Check Oil Quality Detector
Clear filtersOnly logged in customers who have purchased this product may leave a review.

s***r –
I ordered this oil detection tool little bit skeptic about it, but when i tried it, it worked as quickly as i turned it on and the accuracy was 100% so yes i would recommend us to but the thing is you gotta hit the test button for a little bit and let it go then it reads everythingit says it can also be used for brake fluid so
T***I –
Good product as described thx aliexpress thx seller good quality i tryed it on new oil that show 100% and i tryed it on old oil that show 19% that work on engine oil but wjen i tryed on brake oil dot 4 that show 100 on many cars i dont know if that work on brake oil. Very fast shipping only 13 days thx.
i***r –
Very good quality, the reading is 90% accurate, the item came before eta time.
The only point that it requires 4*aaa batteries.
Shopper –
I tested it on new oil and it showed 100%. I will soon test it on used oil.
M***z –
It arrived on time, the device is exactly as described. I see that it is very precise in its data, incredibly surprised. I thought for its price it would be simple, but I recommend this product and the seller is excellent.
A***r –
2025 VDIAGTOOL OT100 Engine Oil Tester Car Oil Quality Diagnostic Tools Water Content Indicator for Oil Quality Detector Inspection. 👍
G***s –
Thank you very very much. You are excellent seller. 5 star seller. Recomended
S***a –
Good measurement, good quality, fast shipping.
T***p –
Very useful and helpful car engine oil quality tester. Works well. Very fast delivery. I strongly recommend it. Thanks.
l***r –
Excellent
O***z –
It’s good… I can’t get data accurately.
M***d –
Hello, I received the product but the old battery didn’t work, so I installed a new one.
i***h –
Very good
X***r –
Excellent product, great, reliable.
Very precise equipment, in evaluations the exchange process became essential.
I recommend
W***m –
Excellent product and the delivery was fast!!?
E***z –
Excellent tool. 10 out of 10. Useful for the workshop.
B***a –
I haven’t tested it yet, but it seems to be good.
D***s –
I would have liked to receive the electrode sooner.
K***z –
It works. And how much of a real effect it will have remains to be seen in the future.