Zirconia Oxygen Analyzer System
Zirconia (ZrO2) oxygen measurement system: 0.1–25% or 0.1–100% O2, 0.5% O2 accuracy after calibration.

Loop-powered online oxygen transmitters for ppm (GPR-1500) and percent (GPR-2500) process measurement.
GPR-x500 analyzers are single-channel loop-powered oxygen transmitters engineered for trace oxygen analysis (GPR-1500) and percentage measurement (GPR-2500) in clean gas. Sensor options extend measurement to gases such as carbon dioxide, helium and hydrogen, and versions are available for safe and hazardous areas.
An electrochemical oxygen sensor (GPR-12-333 / XLT-12-333 for ppm; GPR-11-60 / XLT-11-24 for %) measures the sample with gas temperature compensation, and the 18–24 V DC loop-powered electronics provide a 4–20 mA output.
| GPR-1500 | 0–10, 0–100, 0–1000 ppmV, 0–1 %; LDL 0.05 ppmV; T90 < 2 min |
|---|---|
| GPR-2500 | 0–1, 0–5, 0–10, 0–25 %; LDL 0.01 %; T90 < 30 s |
| Sample Flow | 1–2 SCFH (0.5–1 LPM) |
| Pressure Range | 5–30 psi |
| Humidity | 0–80 %rh non-condensing |
| Calibration Interval | 30 days |
| Display | LCD |
|---|---|
| Output | 4–20 mA |
| Power Supply | 18–24 V DC |
| Max. Power | 1.8 W |
| Ingress Protection | NEMA 3R |
|---|---|
| Housing | Fiberglass and painted aluminum |
| Mounting | Wall / vertical surface |
| Hazardous Area | ATEX II 1 G / IECEx Ex ia IIC T4 Ga; cMETus Class I Div 1 Groups A–D T4 |
All Tetracon-supplied instruments carry the original manufacturer warranty (typically 12–24 months) plus first-line local support from our Islamabad service centre.
Yes. Our manufacturer-trained engineers offer on-site installation, commissioning and startup training anywhere in Pakistan.
Common spares are held in local stock. Calibration is available at our lab or on-site with NIST-traceable reference standards.
Stocked items ship within 3–5 working days; engineered configurations typically 6–10 weeks depending on manufacturer schedule.
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