PCE Instruments PCE-FGD Series, Руководство пользователя, Страница: 22 / 36

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Eng
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2.2 Sensors for flammable gases
Specification Description
Electrical
Supply voltage
16 … 29 V DC, reversed polarity protected
Power comsumption
(at 24 V DC)
75 mA (1.8 VA at 24 V)
Analogue output
signal
Proportional, overload and short-circuit proof, load
≤500
Ω
in case
of current signal,
≥50 k
Ω in case of voltage signal
4 … 20 mA or 2 … 10 V = measurement range
3.2 … 4 mA or 1.6 … 2 V = underrange
20 … 21.2 mA or 10 … 10.6 V = overrange
2 mA or 1 V = fault
>21.8 mA or 10.9 V = fault high
Sensor general
Sensor element Catalytic, infrared
Pressure range Atmosphere ±10 %
Storage time
Sevice life 6 months
min. 5 years
Operating conditions Temperature: -
20 … +65 °C
Storage conditions
Temperature
: +5 … +30 °C
Humidity
: 10 … 95 % RH, non-condensing
Mechanical
Housing Polycarbonate (optional: sensor unit made of stainless steel)
Flammability UL 94 V2
Colour of housing RAL 7032 (sensor unit); RAL 7024 (housing)
Dimensions
Weight 125 x 113 x 62
approx. 180 g
Protection class IP65
Connection Screw terminal min. 0.25 mm², max. 13 mm², 3-pol.
Cable gland M12, plastic, black