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Sample Gas Feed Unit

 
SCC-F Sample Gas Feed Unit
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Material of gas-conducting parts
PVDF, PTFE, PVC, EPDM, FPM, Novoprene
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Power supply
Input voltage
230 V (207...250 V) AC, 50 Hz or 60 Hz ± 2 Hz
115 V (100...135 V) AC, 50 Hz or 60 Hz ± 2 Hz

Power consumption during operation
Diaphragm pump approx. 50 VA,
metering pump approx. 3.5 VA

Construction
Design: Surface-mounting housing 1/2 19 inch, 6 height units
Mounting: On the wall with the mounting brackets supplied or in a 19 inch cabinet / rack
Housing material and color: Sheet steel; light gray (RAL 7035), basalt gray (RAL 7012)
Degree of protection of housing: IP 20 to EN 60529

Gas Connections
PVDF coupling for tube of 6 x 4 x 1 mm

Electrical connections
Power supply: Screw clamp terminals for stranded or solid wire with max. 1.5 mm2
Status signals: Screw clamp termin max. 1.5 mm2

Electrical safety
Testing to EN 61010-1
Protective class: I
Overvoltage category / degree of contamination: III / 2
Protective separation: Electrical isolation of the 115 / 230 V AC power supply from the other current circuits by means of reinforced or double insulation. Functional extra-low voltages (PELV) on the low voltage side

Electromagnetic compatibility
Radio interference suppression: Class B to EN 55011
Interference immunity: Testing to EN 50082-2
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Mechanical capabilities
Testing to EN 60068-2-27 and EN 60068-2-6
Transport:
Shock: 30 g / 18 ms / 18 shocks
Vibration: 1 g / ±0.15 mm / 5...150 Hz, 3 x 5 cycles
Operation
Vibration: 1 g / ±0.07 mm / 5...55 Hz, 3 x 2 cycles

Ambient conditions
Ambient temperature
Operation: +10...+50 °C,
Storage and transport: –25...+60 °C
Relative humidity
= 75 % annual average, occasional and slight condensation
permitted, = 90 % on 30 days/year

Options
Metering unit
By means of peristaltic pump, flow rate 15 ml/h, feed tank as accessory
for small SO2 measuring ranges (< 1000 mg/m3) or to avoid acid aerosols
I/O card
To connect the SCC-F sample gas feed unit and the SCC-C sample gas cooler to the AO2000 Series continuous gas analyzers via the system bus
Display and monitoring of the cooler temperature
Monitoring and processing of status signals of the SCC-F sample gas feed unit (condensate, flow rate)
Control of an external solenoid valve for zero gas connection, 230 V, 50 Hz
Digital inputs for monitoring condensate collecting bottles and reagent reservoirs
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CSA certification
The SCC-F sample gas feed unit is certified to
– Class 2258 02 Process Control Equipment – For Hazardous
Locations and
– Class 2258 82 Process Control Equipment – For Hazardous
Locations – Certified to U.S. Standards
Class 1, Div. 2, Groups A, B, C and D, Temperature Code T4,
Maximum Ambient Temperature +50 °C.
Approval includes testing per applicable Canadian (CSA) and
US directives.
Certificate No. 1105720

Dimensional drawing (dimensions in mm)
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Ordering Form
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SCC-E Sample Gas Feed Unit
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Dimensional drawing (dimensions in mm)
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Ordering Form
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