You get a reading of 20 on one sensor and get a reading of 34 on the second, which one is correct. To achieve reliability a minimum of five sensors need be used. four primary and one back-up. If three primary agree then system normal. If two primary disagree then switch to backup.
You get a reading of 20 on one sensor and get a reading of 34 on the second, which one is correct. To achieve reliability a minimum of five sensors need be used. four primary and one back-up. If three primary agree then system normal. If two primary disagree then switch to backup.