This document introduces the features, application range, usage precautions and measurement precautions of the limiting current type oxygen analyzer OX100, OX102.
The Yokogawa OX100 and OX102 are compact environmental oxygen analyzers that use a limiting‑current measurement principle. They provide four automatic ranges from 0‑100 ppm up to 0‑25 % O₂ and feature high‑low alarms, self‑diagnostics, and optional sampling units for harsh environments.
The manual includes detailed specifications, wiring diagrams, calibration procedures, and accessories such as sensor holders, extension cables, and calibration kits. Safety cautions and mounting guidelines are provided for clean‑room, reflow furnace, and other industrial applications.
| Measurement ranges | 0‑100 ppm / 0‑1 000 ppm / 0‑10 000 ppm / 0‑25 % O₂ |
|---|---|
| Power supply | 100‑240 V AC +10 %, 50/60 Hz, 15 VA |
| Analog output | 4‑20 mA DC isolated (fixed or autoranging) or 1‑5 V DC |
| Converter size | 96 × 96 × 199 mm |
| Weight | ≈ 0.6 kg |
| Gas sample temperature range | 0 °C – 70 °C |
| Humidity range | 20 % – 80 % RH (dew‑free) |
| Pressure range | 1013 ± 40 hPa (absolute) |
| Sensor cable length | 5 m for OX100; 5 m, 10 m or 30 m for OX102 |
| Alarm output range | 1 ppm – 24.9 % O₂ |
No, OX100 and OX102 sensors are not interchangeable.
Use the sampling unit part number K9424GA with the OX102.
The alarm can be set from 1 ppm up to 24.9 % O₂ concentration.