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TSER vs IRR


Guest swong2046

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Guest vclimber
I'm trying to compare the specs from diferrent tinted shops but most of them has higher IRR (~90%+) but lower TSER (~60%+). Need to check how to calculate the TSER as it is not correct that I calculated like this:

TSER%= 44% x VLR%+ 3% x UVR%+ 53% xIRR%

Any advice? as I dont want to be con by those supplier

100-(sc*.87)

Do not compare IRR it is not a total performance measurement.

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The formula you ask to find TSER is:

TSER = 0.43*VLR + 0.03*%UV + 0.54*IRR

we already know the TSER but would need to verify IRR from given TSER

 

reversing and figuring to find the IRR from the given TSER:

(TSER - (0.43*VLR + 0.03*UV)) / .54

so if the TSER is 48 and the VLR is 9 and th UV is 99, then:

(48 - (0.43*9 + 0.03*99)) / .54

=76.2222 IRR

just copy past this line into google search with your spec numbers replacing the TSER, VLR and UV:

(TSER - (0.44*VLR + 0.03*UV)) / .54

 

The resulting IRR number seems a little high, which makes me wonder how the manufacturers figure it

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