Polimaster PM2010, Руководство по эксплуатации

Страница: 7 / 31

7
2.3.13 Instability of comparison of registered
DER value with threshold value for 24 h
of continuous operation no more than
5 %
2.3.14 Device should not produce visual and
audible alarm when substances as
follow are present in air:
- gasoline at vapor concentration no
more than
- diesel fuel (used both in summer and
winter) at vapor concentration no more
than
-
exhausts of isolated internal-
combustion engines (gasoline or diesel)
at distance to exhaust tube more than
1.5 mg/l
0.5 mg/l
15 m
2.3.15 Battery lifetime at normal conditions and
audio alarm sounding no more than
5 min/24 h
40 h
2.3.16 Device is resistant to - temperature of ambient air from -10 to
+50
o
C;
- relative air humidity up to 98 % at 25
o
C;
- atmospheric pressure from 84 to 106.7 kPa
2.3.17 Device is resistant to - sinusoidal vibration in a frequency range
of 5
– 35 Hz and a bias amplitude for
frequencies lower than the transition
frequency 0.75 mm;
- repeated shocks with acceleration of
100 m/s
2
, duration of shock pulse of
2-50 ms, at shock rate of 60-180 shocks per
minute
2.3.18 Device is resistant to RF electrical and
magnetic fields (under IEC 61000-4-3:1995):
- in the frequency range of 80 to 1000 MHz
- in the frequency range of 800 to 960 MHz
and of 1.4 to 2.0 GHz (generated by digital
mobile phones)
10 V/m (severity degree 3)
30 V/m (severity degree 4)
2.3.19 Device is resistant to electrostatic
discharges (under IEC 61000-4-2:1995)
8 kV
2.3.20 Device in a transportation case is proof
against - temperature from -20 up to +50
o
C;
- humidity up to 100 % at 35
o
C;
- shocks with an acceleration of 147 m/s
2
, a
duration of 10 ms;
- vibrations with a frequency of 5-35 Hz and
a bias amplitude 0.75 mm
2.3.21 Protection degree of the case IP31
2.3.22 Device weight, no more no more 0,55 kg
2.3.23 Device weight in a case, no more no more 1,2 kg
2.3.24 Device dimensions, no more no more
60х35х230
mm
2.3.25 Reliability parameters:
- average time to first failure no less than 20 000 h
- average service life no less than 10 years
- average time of recovery no more than 120 min