Testo 317-3 monitor detects the presence of carbon monoxide and warns the user both visually and audibly of any dangerous gas concentrations.The instrument is ideal for the installation and servicing of gas heaters. Features include:
*Visual and audible alarm.
*Adjustable alarm threshold.
*Instrument can be used immediately (no zero phase required).
*Includes leather bag , headphones, hand strap and battery.
£ 94.00
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