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Zirconium dioxide In-Situ transmitter for measuring O2 levels in combustion processes
A cost effective zirconium-oxide analyzer to measure percentage level oxygen in combustion processes, ambient air monitoring and many more applications. The unit is configurable to measure either 0-25% or 0-100% oxygen and offers manual or automatic calibration to suit the customer’s needs. Two probe lengths are available (210mm & 400mm) as well as two maximum sample temperatures (250°C & 400°C) for greater flexibility.
• Configurable outputs: 4-20 mA and 0 to 10 V DC or RS232 comms interface
• Cycling 3.3 V DC logic output allows direct monitoring of the O2 • sensor for diagnostic purposes
• Can be calibrated in normal air (20.7% O2) or in any other known O2 concentration
• Selectable output filtering allows fast and dynamic or slow and stable output
• Externally triggered automatic or manual calibration
• Diecast aluminium case IP65 with stainless steel probe
• Sample temperature up to +400°C
| Performance | |
| Measurement Technology | Zirconium oxide |
| Gas | Oxygen |
| Measurement Range | 0-25% or 0-100% |
| Output Resolution | 0.01 V, 0.01 mA or 0.01% O2 |
| Accuracy (0-25%) | < 0.5% O2 |
| Accuracy (0-100%) | < 1% O2 |
| Response time (T90) | < 5 seconds |
| Repeatability | < 0.5% |
| Sample Flow Rate | 0 to 10 m/sec |
| Sample Flow Effect (Calibrated @ 0.5 l/min) | ±0.1% O2 (0 to 1 l/min) |
| Sample Pressure | Atmospheric |
| Sample Temperature | Up to +250°C or +400°C |
| Sensor Temperature | +700°C |
| Background Gas | Air, N2, CO2, Ar or Combustion Gas |
| Electrical Input/Output | |
| Power Supply | 24 V DC, ±10% |
| Power Consumption | 500 mA maximum @ 24 V DC |
| Analog Outputs | 4-20 mA and 0 to 10 V DC |
| Output Ranges | 0-25% or 0-100% |
| Digital Communications | RS232 (not available if 4-20 mA output selected) |
| Operating Conditions | |
| Ambient Temperature | -10 to +85°C |
| Mechanical Specifications | |
| Warm Up time | Approx. 10 minutes |
| Stabilization Time | Included in the above |
| Dimensions | 52 x 75 x 80mm (h x w x d) excluding probe |
| Probe Dimensions | 210 or 400mm (length) ř12mm |
| Weight | < 0.5kg |
| Wetted Materials Stainless Steel | |
| Process Connection | 12mm Swagelok® compression fitting or equivalent required |
| Ingress Protection | IP65 |
| Housing Material | Waterproof die-cast aluminium housing |
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