Panel Fire Gauges class a fire cylinder All Cairns® helmets are approved

All Cairns® helmets are approved to NFPA 1971-2018

FEATURES OF HIGH PRESSURE BOOSTER HOSE

NK only guarantees the accuracy of the measurement to be within tolerance up to 89 mph

Humidity sensor can be recalibrated in the field with our Relative Humidity Calibration Kit

Panel Fire Gauges class a fire cylinder All Cairns® helmets are approvedLiquid filled Fire Apparatus Panel Gauges are commonly used for discharge line pressure. FEATURES OF FIRE APPARATUS PANEL GAUGES Zytel nylon case blow out plug Bright stainless steel bezel material Black bezel option Male NPT brass center back connection Kem X freeze proof protection Phosphor bronze, filled with freeze proof liquid isolated by diaphragm Acrylic lens Fill Fluid: Low temp glycerin (for 40F 150F service) 2 or 3 aluminum dial; two sided