Application notes


  • Brochure C-QUAND

Technical specs


Measurement principleEnergy dispersive X-ray fluorescence
Element rangeFrom Si (Z=14)
Measurement rangeFrom 0.5 ppm to % levels (application specific)
Simultaneous elementsUnlimited number of elements per analysis
Filter wheel6 filters
AccuracyAppropriate to application
CalibrationLess than 5 samples
Central processing and controlling unit
Industrial PCLinux operating system, custom touch keyboard with 8” TFT color display
Analog outputs2 or 4 x 4-20mA active
Communications4 – 20 mA, MODBUS via RS485 or TCP/IP, Optical Fiber
Ambient temperature5 – 40°C / 41 – 104°F
measurement head
X-ray detectorSillicon drift detector, resolution 135 eV (equals 2.3% at 5.89keV)
HV power supply0-50kV
Source15 W X-ray tube, Ag anode
StabilityAutomatic drift and back scatter peak correction; temperature and ambient pressure correction
Sample windowKapton® , Upilex®, beryllium
utility requirements
Power supply110-230 VAC 50/60 Hz
Power consumption100 VA (150 VA with heated sample cell)
Instrument air<4 L/min for Exp. version and required for standard pneumatic valve (electrical actuated valve optional)
Sample conditions
Sample flow rate0,2 – 0.5l/min
Sample cell temperature< 80°C / 176°F
Sample cell pressureAtmospheric drain
ViscosityLess than 100 cSt at cell temperature (Heated sample cell available)
SizeHxWxD = 1000 x 400 x 360 mm / 39,4 x 15,8 x 14,2 inch
Valve controlAutomatic stream switching, automatic cell flushing, automatic validation
Liquid Sample Recovery Control done by analyser (optional)
InputsFlow and level alarms (optionally) read by analyser
DiagnosticsHigh level of diagnostics
Remote supervision/controlExternal control of analyser possible
Hazardous Area ClasificationATEX and IECEx Zone 1 (II 2 Ex pxb ICC T4 Gb)