Oxygen Analyser

Oxygen Analyser

Product Details:

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Product Description

Oxygen Analyser

The Oxygen Analyser measures oxygen concentrations from percentage levels to a fraction of parts per million (ppm) in clean gases. Packaged on a 19” rack mounting enclosure, it uses a oxygen sensor to provide accurate measurement with minimal interference from other gases. The unique cell and heater design gives very fast warm-up times, rapid response, and long sensor life.

Specification of Oxygen Analyser

1. Display

 

  • Multi-digit LCD, character height 12.7mm

 

2. Range

 

  • 0.1ppm to 100% oxygen, autoranging

 

3. Display resolution

 

  • From 10% to 100%: 0.1%
  • From 0.5% to 9.99%: 0.01%
  • From 500ppm to 4999ppm: 10ppm
  • From 50ppm to 499ppm: 1ppm
  • From 5ppm to 49.9ppm: 0.1ppm
  • From 0ppm to 4.99ppm: 0.01ppm

 

4. Accuracy

 

  • 100% to 100ppm: ±2% of reading or better
  • 99ppm to 10ppm: ±1ppm
  • 0.1ppm to 9/9ppm: ±0.2ppm

 

5. Stability

 

  • Better than 2% of reading or 0.5ppm/month, whichever is greater

 

6. Sample flow

 

  • Between 100 and 300ml/min for optimum operation
  • Speed of response in clean inert atmospheres
  • % levels: less than 0.5s for 90% change
  • Levels from 100 to 10ppm: less than 5s for 90% change
  • Levels less than 100ppm: less than 30s for 90% change
  • When the cell is stabilised/conditioned at low levels, response to changes at that level is of the order of 3 to 4s
  • Sample inlet pressure (no pump fitted)
  • 10mbar minimum
  • 8bar maximum
  • Sample temperature (at analyser)
  • 100°C maximum
  • Sampling system materials
  • Materials include: nickel, brass, aluminium, stainless steel, platinum, zirconia, alumina, PTFE and nitrile-rubber
  • Sample connection (located on back panel of unit)
  • Captive seal compression fitting suitable for 0.25inch (6mm) outside diameter tube

 

7. Analogue outputs

 

  • Standard: 0 to 5V
  • Optional: 4 to 20mA
  • Each user-programmable between 0 – 100% to 0 – 5ppm

 

8. Alarm outputs

 

  • 2 alarms: each user-configurable to OFF, HIGH or LOW status
  • Hysteresis programmable from 0 to 10% of set-point
  • Volt-free changeover relay contacts rated 48V ac or dc, 0.5A, normally-energised
  • Ambient temperature: 45°C maximum

 

9. Power supply: 110/120V, 50/60Hz at 80VA max, 220/240V, 50/60Hz at 80VA max

10. Mounting: 19” Rack-mounting enclosure 3U high and 270mm deep


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