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Analox SA1J01BG70N861 101D2 Portable Oxygen (O2) Monitor

SKU: SA1J01BG70N861 Rate this product


Availability: 2 In Stock. Usually ships in 11 weeks if not in stock.

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  • Dual range display with manual selection to measure either 0.00-19.99% O2 or 0.0-100% O2
  • Front panel calibration single adjustment calibrates both ranges
  • Temperature compensated remote O2 sensor
  • Hi and low oxygen warning alarms with precise setting to 0.1%
  • Alarm setting controls lockable to prevent accidental movement
  • Alarms have lag to overcome nuisance re-triggering
  • Large clear liquid crystal display with 12.5 mm digits
  • (4) AA alkaline batteries will operate continuously for up to one month (reducing with alarm activation)
  • Low Battery Indicator


  • Range at atmospheric pressure:
    • 0.0% to 19.99 % O2
    • 0.0% to 100.0 % O2
  • Minimum Reading: 0.01% O2
  • Accuracy: ± 1% of readout
  • Temperature Effect: ± 0.002 of readout per °C
  • Sensor Life: 3 years at normal temperature and pressure
  • Battery: 4 x MN1500 Alkaline Cells
  • Battery Life: Approx. 1 month of continuous use reducing with Alarm Activation
  • Dimensions: 2-3/4 in. H x 6 in. W x 8-1/4 in. D (68 mm x 148 mm x 205 mm)
  • Weight: 1.54 lbs (700 g) (including battery)

Analox 101D2 Portable Oxygen Monitor - P/N: SA1J01BG70N861 Includes:

  • (1) Oxygen Sensor Including Hard Wired Lead with Jack Plug - P/N: 9100-9212-4
  • (1) Flow Adaptor - P/N: 8000-0910A
  • (1) Screwdriver for adjusting calibration

This Analyzer uses sensor:


The Analox 101D2 Portable Oxygen Analyzer is suitable for use with a deck decompression chamber and is ideal for use with small, portable air chambers. The unit is battery powered and provides a continuous digital display of the Oxygen concentration in the gas sample presented to the front surface of the sensor. This monitor is not designed to be located inside of a chamber but external to the chamber only.

Important note: The relay only functions when main power is connected; it does not function on battery power.


Additional Information

Search Weight 80
Brand Analox
Clearance Item No

Product FAQ's

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  • How long should my sensor last?

    Up to 3 years at normal temperature and pressure.

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  • My new oxygen cell is not reading 20.9% - what should I do?

    You probably need to calibrate the unit as described in section 4.0 of the user manual.

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  • Can I replace the sensor myself?

    Yes, this is a simple procedure detailed in the user manual.

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  • Can I use another manufacturer’s sensor in this unit?

    No, the only compatible sensor for a 101D2 is a “9100-9212-4” sensor.

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  • How do I calibrate the unit?

    The calibration procedure is listed in section 4.0 of the user manual. However, one simple way to calibrate is as follows:

    To zero check the unit, disconnect your sensor jack plug from the socket on the front panel, select the 0-19.99% range using the switch on the front and the reading should read 0.00 (+/-0.02). To span adjust the unit select the 0-100 range and expose the sensor to normal ambient atmosphere. When the reading is steady adjust the “CAL” control until you have a reading of 20.9.

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  • My reading is alternating between a normal reading and “1888” – what does this mean?

    Your batteries are running low – insert new batteries.

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  • How long do the batteries last?

    Approximately 1 month if used continually (subject to alarm activation).

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  • My reading is erratic, what is causing this?

    Check to make sure the unit is not to close to a radio transmission. Also check that there is no condensation on the sensor. If this does not solve the issue then you may need a new sensor.

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