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(8.2 kg) Warranty Two year full warranty on instrument The H25-IR instrument, along with its probe type and hose length, is ordered by specifying 3 codes. The codes Ordering Information ProbesStandard Probe, LED & Button Contains a button that can be configured to either zero the unit or switch between the instrument’s search and measure modes. Also contains an LED that provides visual feedback. The LED can be configured to blink with increasing frequency as the measured leak rate increases or l