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Alpha Omega Instruments (AOI)
Alpha Omega Instruments Series 3000 Trace Oxygen Analyzer
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AOI Series 3000: under 1 ppm to 10,000 ppm O₂; ±1% FS; EES; relays. RFQ.
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Key parameters
Accuracy
+/-1% of full scale (+/-5% FS on ranges <=5 ppm) at constant T/P
Type
Alpha Omega Instruments Series 3000 trace oxygen analyzer (Process Insights / AOI)
Measurement Ranges
Under 1 ppm to 10,000 ppm O2; single-range or three-range with auto-ranging
Sensor
Long-life ambient-temperature electrochemical; optional CO2-resistant sensor
Response Time
90% of full scale typically <10 seconds (sample-system dependent on low ranges)
Outputs
4-20 mA and 0-2 VDC standard; optional RS-232 / RS-485
Fits trace oxygen analysis where you need an Alpha Omega Instruments Series 3000—ranges from under 1 ppm to 10,000 ppm O₂ with single- or three-range auto-ranging, ±1% of full scale accuracy (±5% FS on ranges ≤5 ppm), long-life electrochemical sensing, and Form C alarm relays.
Key advantages
- Ranges — Under 1 ppm to 10,000 ppm O₂
- Accuracy — ±1% FS (±5% FS ≤5 ppm)
- Response — Typically <10 s to 90% FS
- Sensor — Long-life electrochemical; optional CO₂-resistant
- Alarms — Three SPDT Form C O₂ relays; status; buzzer
Typical applications
- Trace O₂ in N2/Ar.
- Process inerting.
- Lab / plant ppm O₂.
Selection guide
- Range set
- CO₂-resistant sensor
- AC vs 18–32 VDC
Common mistakes
- Air leaks at ppm.
- Wrong low-range accuracy.
- Liquid in sample.
When to RFQ / what to tell us
- Range/power.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 45772 |
| Brand | Alpha Omega Instruments |
| Model | AOI Series 3000 Oxygen Analyzer |
| Product type | Oxygen Analyzer |
| Type | Alpha Omega Instruments Series 3000 trace oxygen analyzer (Process Insights / AOI) |
| Measurement ranges | Under 1 ppm to 10,000 ppm O2; single-range or three-range with auto-ranging |
| Accuracy | +/-1% of full scale (+/-5% FS on ranges <=5 ppm) at constant T/P |
| Sensor | Long-life ambient-temperature electrochemical; optional CO2-resistant sensor |
| Response time | 90% of full scale typically <10 seconds (sample-system dependent on low ranges) |
| Outputs | 4-20 mA and 0-2 VDC standard; optional RS-232 / RS-485 |
| Alarms | Three SPDT Form C O2 relays 10 A; status alarm; internal audible buzzer |
| Power | Universal 115-230 VAC 50-60 Hz or 18-32 VDC |
Documents
FAQ
Q: Lowest class? A: Under 1 ppm.
Q: Accuracy? A: ±1% FS (±5% ≤5 ppm).
Q: What should I send for a quote? A: Range/power, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Accuracy | +/-1% of full scale (+/-5% FS on ranges <=5 ppm) at constant T/P |
| Type | Alpha Omega Instruments Series 3000 trace oxygen analyzer (Process Insights / AOI) |
| Measurement Ranges | Under 1 ppm to 10,000 ppm O2; single-range or three-range with auto-ranging |
| Sensor | Long-life ambient-temperature electrochemical; optional CO2-resistant sensor |
| Response Time | 90% of full scale typically <10 seconds (sample-system dependent on low ranges) |
| Outputs | 4-20 mA and 0-2 VDC standard; optional RS-232 / RS-485 |
| Alarms | Three SPDT Form C O2 relays 10 A; status alarm; internal audible buzzer |
| Power | Universal 115-230 VAC 50-60 Hz or 18-32 VDC |
| Sample | 1.0-2.0 SCFH (0.5-1.0 L/min); 0.1-1.5 psig; 40-104 F |
| Enclosure | Polycarbonate NEMA 1 hinged clear cover; 1/4 in SS compression fittings |
| Weight | About 11 lb (4.98 kg) standard bench-top |
| Document | Process Insights Series 3000 Datasheet EN + Series 3000 Manual (process-insights.com) |