Intrinsically Safe Thermometer
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HERMetic Onecal for Storage Tanks
Designed for use in hazardous environments, HERMetic Onecal is a highly accurate, intrinsically safe portable digital field thermometer for temperature verification inside storage tanks.
HERMetic Onecal without Frame for Storage Tanks
Designed for use in hazardous environments, Honeywell’s HERMetic Onecal is a highly accurate, intrinsically safe portable digital field thermometer for temperature verification in Zone 0 areas.

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