The Cussons Spectroanalyser 3 has been developed to measure low concentrations of nitrogen as an impurity in certain rare gases, and has found particular applications with high purity argon.
APPLICATIONS
- Measurement of trace amounts of nitrogen in high purity argon production and user systems
- Quality control of high purity/ultra-high purity argon cylinders
FEATURES
- 0-100 mV and 4-20 mA recorder outputs
- High and low level alarm contacts
- Analyser electronic self-check facility
- Design eliminates background interference
TECHNICAL SPECIFICATION
- Ranges: 0-10 vpm and 0-100 vpm Nitrogen in Argon
- Display: Analogue meter
- Limit of detection: Less than 1 vpm
- Sensitivity: Less than 1 vpm
- Zero drift: Less than 0.1 vpm per ºC
- Cycle/response time: Continuous/90% within 60 secs
- Accuracy: Depending on calibration gas available as it is a comparative method that is employed
- Sample flow rate: 2 litres per minute
- Sample inlet temperature: 10ºC minimum, 30ºC max.
- Sample inlet pressure: Optimum 0.35 to 1.05 bar g; maximum 3.5 bar g
- Sample outlet pressure: Maximum 0.15 bar g
- Sample pipework: 6mm or 1/4 OD stainless steel and PTFE
- Analogue output: 4-20 mA and 0-100 mV
- Alarm contacts: Adjustable high and low alarms with both normally open and closed voltage free contacts rated at 250V, 5A, AC non inductive
- Electrical supply: 110/220V, 60 Hz or 220/240V, 50 Hz single phase
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