ENGLISH
Pag. 12
1.2 Technical specifications
Table 2) Technical specifications of SMART P gas detectors
Application
To be used with MU+PK 256/128/64/32/16 type units
to monitor toxic and flammable gas in car parks and garages
(non-classified areas only)
Sensing element
Electrochemical cell for CO and NO2
Catalytic sensor for Petrol Vapour
Measurement range
Carbon Monoxide 0-300 ppm
Nitrogen dioxide 0 - 30 ppm
Petrol Vapours 0-100% LFL
Predicted life of the sens-
ing element
Catalytic: 4/5 years
Electrochemical cell: 2/3 years
Power supply
12- 24 Vdc (- 20% + 15%)
Absorption at
12-24Vdc
CO , NO
2
34 mA at 24 Vdc
CO + NO
2
32 mA at 24 Vdc
CO + Petrol Vapours 63 mA at 24 Vdc
Visual indications
Flickering LED on the PCB
Output
serial RS485 for MU+PK
Repeatability
from ±2% to ±5% FS (depending on sensor type)
Accuracy
from ±2% to ±5% FS (depending on sensor type)
Warm-up time
<120 s
Stabilization time
60 min
Storage temperature
Catalytic sensor: -20 / +60°C
Electrochemical cell: 0 / +20°C up to 6 months
Operating temperature
Catalytic sensor: -20 / +60°C
Electrochemical cell: -30 / +50°C
Operating humidity
Catalytic sensor: 0 / 95% RH non condensing
Electrochemical cell: 15 / 90% RH non condensing
IP Grade
IP55
Cable entrance
2 x M20
Weight
250 g
Dimension
Box: 100 x 100 x 52 mm
Cover: 105.8 x 105.8 x 7.8 mm
Positioning
The sensor head must be mounted downwards
1.3 Certification details
SMART P gas detector has been designed to fulfil the European Standard for gas detection in
car parks. It has been certified by TÜV Nord to be in compliance with EN 50545-1 along with
MU+PK panels.
Содержание S2398CO
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