is equipped with light-emitting-diode indicators,
socket for earpiecess, and also by a supple cord
with 40 cm long, that enables to find and
control outgassings in difficult of access places.
A comfort in using a device is provided by the
voice and light warnings at 10% LCLDF* of methane,
tuning of reports, easy one-arm management, and
also shockproof case, for storage of device. Time
of wearing-out - less than 2 s by 40% LCLDF,
a sensitiveness is 50 mg (ppm) of methane. Guarantee:
6 months, producer: China.
finds out the followings gases and fumes: natural
gas (methane - CH4), propane (C3H8),
butane (C4H10), acetone
(C3H6O), spirit (methanol
- CH3OH, ethanol - C2H5OH),
hydrogen sulfide (H2S), ammonia (NH3),
petrol, airfuel (kerosene), solvents, oil. Reacts
on aquatic steam and smoke. A device can be calibrated
for other types of gases and concentrations.
- LCLDF (Lower Concentration Limit of Distribution
of Flame) it is the minimum concentration of combustible
(gas or steams) in homogeneous mixture with an
oxidant (air, oxygen and other) at which distribution
of flame is possible on mixture on any distance
from the source of lighting - opened external
flame or spark.
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