AMI Model 2001R
series of trace oxygen analyzers utilize a number of recent engineering breakthroughs to provide in one small, rugged, low cost, panel mount package - complete solutions for many trace oxygen applications requirements. In addition, we supply the most comprehensive set of standard features while maintaining the compact size of 9.0"W x 5.0"H x 6.5"D.

Our standard features include:

  • High-resolution single range LCD rapidly reads from .01ppm to 25% without LCD range changing delays or the need for manual range switch adjustments
  • 2-Fully adjustable oxygen concentration alarm set points. Form C contacts rated
    @ 5 amps.
  • Programmable alarm delays: delay settings range from 0-300min. This feature prevents nuisance alarms due to quick oxygen spikes or short-term operator error.
  • User configurable alarm setting: alarm logic choices include latching, non-latching,
    Fail-safe, and Non-Failsafe.
  • Programmable alarm bypass: prevents false alarms when routinely calibrating with gas standards that exceed alarm set points, allows user to instantly silence alarms with the touch of a button. Settings range from 0-120min
  • 10-User selectable analog output ranges: 0-10ppm, 0-50ppm, 0-100ppm, 0-500ppm, 0-1000ppm, 0-.500%, 0-1%, 0-5%, 0-10% and an air calibration range of 0-25%.
  • Data logger. Logs data for 15 days @ 1min intervals, 30-days at 2min intervals, etc.
  • Sensor calibration factor: indicates remaining sensor life.
  • Three-user selectable security levels: allows complete front panel access, span only access, or no front panel access.
  • Isolated 4-20ma. output.
  • Simple, intuitive user interface.

The 2001R series offers the following range of options while maintaining the compact dimensions previously described:

  1. Model 2001RS: High performance electronics package with complete sample system for positive pressure gas streams, including: metering valve, flow meter, internal solenoid valves for shut off and sample/span gas selection.
  2. Model 2001RSP: High performance electronics package, complete sample system for ambient pressure to low-pressure applications. Sample system includes: long life sample pump, metering valve, flow meter, internal span gas and shut off solenoid valves.
  3. Model 2001RSM: S High performance electronics package, complete sample system for positive pressure gas streams, including: metering valve, flow meter, and internal solenoid valves for programmable 5-channel sequencer.
  4. Model 2001RSPM: High performance electronics package, complete sample system for ambient pressure to low-pressure applications. Sample system includes: long life sample pump, metering valve, flow meter, and internal solenoid valves for programmable 5-channel sequencer.

The 2001R series incorporates our advanced patented cellblock technology consisting of a single compact metallic block that undergoes a complex machining process, followed with corrosion-resistant nickel plating. The block contains a series of drilled gas passages- eliminating the need for long lengths of tubing and compression fittings. All models 2001RS, RSP, RSM, and RSPM have an integral metering valve, flow meter, and internal span gas and isolation solenoid valves.

AMI guarantees
higher quality and exceptional services
at a lower price.

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714.848.5533

Our cellblock technology results in faster up and down scale response times and eliminates many potential leak sources.
The front panel sensor access makes oxygen sensor installation or replacement quick and easy. This feature allows for a rapid, accurate calibration using ambient air (20.9%) without the use of tools if desired.

AMI advanced design approach has separated us from the competition with the highest performance, yet lowest cost trace oxygen analyzer in the industry

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  • Standard user selectable output ranges:
    0-10ppm, 0-50ppm, 0-100ppm, 0-500ppm,
    0-1000ppm, 0-5000ppm, 0-1%, 0-5%,
    0-10%, and a calibration range of 0-25%
  • Sensitivity: 0.5% Full scale
  • Repeatability: ±1% of full scale at constant temperature (on 10ppm output range the repeatability is ±3% of scale)
  • Display: Single range 3 ½ digit LCD
  • Operating temperature range:
    32-115°F non heated
  • Diurnal temperature specification:
    32-115°F, < ±3 of scale
    90% Upscale Response times:
    100ppm-25% less than 10 sec
    0-10ppm less than 25 sec
    0-5ppm less than 50 sec.
  • Alarms (standard):
    2-Fully adjustable oxygen concentration alarm set points. Form C contacts rated @5A.
  • Isolated output signal: 4-20ma.
  • Power requirements:
    115VAC, 3-10Watts of power depending on model type
  • Area classification:
    Designed for General Purpose
  • Dimensions:
    9.0"W x 5.0"H x 6.5"D.
  • Weight: 8-15 lbs depending on model
    Sensor access: Easy, direct front panel access
  • Sample connections:
    316 Stainless steel ¼" Compression
  • Wetted parts: Electroless Nickel, 316 S.S.


  • Designed for General Purpose applications
  • Single range 3 ½ digit LCD
  • 10-User selectable output ranges
  • 2-Fully adjustable oxygen concentration alarms. Form C relay contact closures
  • Programmable alarm delays. 0-300min.
  • Alarm hold off: Programmable 0-120min.
  • Three user selectable levels of security settings.
  • Data logger.
  • RS232 bi-directional communications.
  • Isolated output: 4-20ma.
  • Power requirements: 115/220VAC.
  • 3-10Watts of power depending on model.
  • Direct, easy front-panel sensor access.
  • Compact size.
  • Nickel-plated cellblock, 316 stainless steel fittings.
  • 2-Year warranty (excluding sensor).
  • No calibration or support gases necessary.
  • Virtually unaffected by hydrocarbons and other oxidizable gases.
  • RFI protected.
  • Unaffected by change in flow rate
    (0.1-5.0 SCFH).