Sample Gas Feed Unit
Material of gas-conducting partsPVDF, PTFE, PVC, EPDM, FPM, NovoprenePower supplyInput voltage230 V (207...250 V) AC, 50 Hz or 60 Hz ± 2 Hz115 V (100...135 V) AC, 50 Hz or 60 Hz ± 2 HzPower consumption during operationDiaphragm pump approx. 50 VA,metering pump approx. 3.5 VA ConstructionDesign: Surface-mounting housing 1/2 19 inch, 6 height unitsMounting: On the wall with the mounting brackets supplied or in a 19 inch cabinet / rackHousing material and color: Sheet steel; light gray (RAL 7035), basalt gray (RAL 7012)Degree of protection of housing: IP 20 to EN 60529 Gas ConnectionsPVDF coupling for tube of 6 x 4 x 1 mmElectrical connectionsPower supply: Screw clamp terminals for stranded or solid wire with max. 1.5 mm2Status signals: Screw clamp termin max. 1.5 mm2Electrical safetyTesting to EN 61010-1Protective class: IOvervoltage category / degree of contamination: III / 2Protective 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 compatibilityRadio interference suppression: Class B to EN 55011Interference immunity: Testing to EN 50082-2 Mechanical capabilitiesTesting to EN 60068-2-27 and EN 60068-2-6Transport: Shock: 30 g / 18 ms / 18 shocksVibration: 1 g / ±0.15 mm / 5...150 Hz, 3 x 5 cyclesOperationVibration: 1 g / ±0.07 mm / 5...55 Hz, 3 x 2 cycles Ambient conditionsAmbient temperatureOperation: +10...+50 °C,Storage and transport: –25...+60 °CRelative humidity= 75 % annual average, occasional and slight condensationpermitted, = 90 % on 30 days/yearOptions 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 aerosolsI/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 reservoirsCSA certificationThe SCC-F sample gas feed unit is certified to– Class 2258 02 Process Control Equipment – For HazardousLocations and– Class 2258 82 Process Control Equipment – For HazardousLocations – Certified to U.S. StandardsClass 1, Div. 2, Groups A, B, C and D, Temperature Code T4,Maximum Ambient Temperature +50 °C.Approval includes testing per applicable Canadian (CSA) andUS directives.Certificate No. 1105720
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