In-Situ Oxygen Monitoring with Yokogawa ZR202A-100-A-A
Yokogawa ZR202A-100-A-A is an integral ZR202 configuration based on zirconia sensing. Define whether the duty is oxygen concentration or a humidity-related measurement, and establish the process gas composition, range, temperature, pressure and dust conditions. For ZR202A-100-A-A, use the exact model specification and process data when evaluating suitability; the operating environment is central to probe and installation selection.
Probe placement and process access
The integral arrangement combines the detector/transmitter functions at the measurement point. Plan the mounting location for a representative gas stream, safe access, maintenance clearance and wiring. For ZR202A-100-A-A, assess duct geometry, flow direction, temperature gradients, vibration, dust and condensation; a poor insertion point can produce unrepresentative readings or shorten service life. Use the manufacturer's mounting guidance for the specific process and construction.
Specification snapshot
| Selection point | Specification / confirmation |
|---|---|
| Representative model | ZR202A-100-A-A |
| Instrument | ZR202 integral oxygen analyzer / transmitter-detector |
| Principle | Zirconia concentration-cell measurement system |
| Measured duty | Oxygen concentration or humidity, as configured |
| Construction | Integral probe and analyzer arrangement |
| Check | Gas, temperature, pressure, dust, mounting, calibration and code |
Calibration and maintainability
The ZR202 family offers local indication and calibration-related functions, and service parts such as the zirconia cell and heater are field-maintainable in applicable builds. Confirm these details for ZR202A-100-A-A, including calibration-gas arrangement, checks, alarms and replacement procedure. Keep the analyzer configuration, calibration records and maintenance history with the instrument tag so future work uses the right range and spare parts.
Related ZR202 configurations
The related ZR202A codes below are listed as configuration alternatives, not as verified direct substitutes for ZR202A-100-A-A. Check code definitions, output, approvals and environmental limits for each. A technical enquiry for ZR202A-100-A-A should include the process stream, measured component, range, duct/stack dimensions, installation location, temperature and dust conditions, output requirement and existing nameplate.
Related model configurations
- ZR202A-200-A-A
- ZR202A-200-N-A
Information for model verification
For ZR202A-100-A-A, include the complete nameplate code, application, interface and operating conditions in an enquiry. Retain ZR202A-100-A-A with the equipment record and verify the exact specification before replacement or project release. Record the exact model code ZR202A-100-A-A in the purchase request.
