WHAT FUNCTION SHOULD I USE?
Use the correct VT460 function with the correct probe for the job.
INSPECTION ABOVE GROUND
Use this function to search for small traces of gas escaping at the surface.
Best ForSearching across concrete, pavers, soil and surface cracks.
Probe to useSURFACE PROBE
MEASURING IN BAR HOLES
Use this function to measure gas concentrations below ground in bar holes.
Best ForComparing readings in bar holes to help narrow down the leak area.
Probe to useCONE PROBE
GAS MEASURING
Use this function when measuring stronger gas concentrations rather than searching for tiny traces.
Best ForChecking gas concentration directly at a sampling or testing point.
Probe to useHAND PROBE
Gas measuring mode does not provide a gas alarm.