© PCE Instruments
17
Eng
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2
Technical specifications
2.1
Sensors for toxic gases and oxygen
Specification
Description
Electrical
Supply voltage
16 … 29V DC, reversed polarity protected
Power consumption
(at 24 V DC)
23 mA (0.6 VA at 24 V)
CO2: approx. 40 mA
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
Electrochemical, infrared (CO2)
Pressue range
Atmosphere ±10 %
Storage time
Service life
6 months
Toxic gases: usually up to 3 years; oxygen: see following chart
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
Summary of Contents for PCE-FGD Series
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