Ordered and installed TST507 . Aired tires to 80lb. All tire positions show 73- 74 lbs. Had my gauge checked at Discount Tire and 1.5 lb off. Wondering why monitor so far off.
I set tires at 80psi.monitor says 74.so a little more than 1.5. But I got the unit to let me know if I have a sudden loss of air or a leak. So I hope all is well.
Mine reads 76 when I set the tires to 80 (verified with a certified gauge borrowed from my local aircraft mechanic). If I set the tires to 75 the TPMS reads 72, set the tires to 85 and the reading is 81, so I just add four pounds to whatever the reading is as I travel.
Linear Mode
