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Background and Identification
The Greisinger GOX 100 Oxygen Analyzer (Item Part Number: 600222 and ASIN: B004JIWOUS) gauges oxygen potencies in air and gas mixtures. This device is multipurpose but is primarily used by medical professionals to measure these levels without opening a patient's pneumatic anesthesia system.
Greisinger, a member of the GHM group (a collection of German technology companies), has been dedicated to producing high-quality electronic measuring devices for over 35 years. This device can be found at multiple locations online and typically costs between two to three hundred U.S. dollars. This product provides an Auto-Power off mode when not in use to limit unnecessary battery life consumption.
The GOX 100 is a small (106 x 67 x 30 mm) black hand-held box with blue buttons and a 13 x 40 mm display screen. This device has %O2 above the display, the model number (GOX100) is located just below the display screen, and the manufacturer's name (Greisinger) is at the bottom of the screen below the three user-interface keys (buttons).
Measuring range: 0.0 ... 100.0 %O2 (oxygen concentration)
Accuracy: calibrated device at nominal temp.: ± 0.1 %O2 ± 1 digit
Sensor linearity: < 2 vol.-% +/- 0.1%; < 25 vol.-% +/- 0.5%;
< 100 Vol.-% +/- 1.0%
Sensor connection: 0.7m connection cable (fixed to device) with jack connector
Sensor: electrochemical partial oxygen pressure sensor, integrated
into sensor housing (type for replacement: GOEL 370)
Response time: 90% in < 10 sec., depending on temperature
Operating life: guaranteed 12 months (assuming appropriate usage at air
Operating pressure: 0.5 to 2.0 bar absolute. (at one-sided strain: max. 0.25 bar over-/under-pressure)
Meas. Frequency: about 1 measuring per second
Display: approx. 13 mm high, 3½-digit LCD
Pushbuttons: 3 keys for ON/OFF, min-/max-value display, calibration
Min-/Max- Memory: min and max measured values are stored
Nominal temperature: 25°C
Ambient temperature: 0 to 45°C (sensor), -20 to 50°C (device)
Relative humidity: 0 to 95 %RH (not condensing)
Storage temperature: -15 to 60°C (sensor), -20 to 70°C (device)
Power Supply: 9V-battery type JEC 6F22 (in the scope of its supply)
Power Consumption: 0.14mA (standard zinc-carbon battery: >2100 hours!)
Battery Change Indicator: indicates ''automatically if the battery is used up: "BAT"
Auto-Power-Off: when activated, the device switches automatically off, if it is
not operated for a longer time (selectable 1..120min)
Housing: impact-resistant ABS, transparent panel, front side IP65
Dimensions: approx. 106 x 67 x 30 mm (L x W x D) without sensor cable
Weight: approx. 185g incl. battery and sensor
EMC: The device corresponds to the essential protection ratings
established in the Regulations of the Council for the
Approximation of Legislation for the member countries
regarding electromagnetic compatibility (2004/108/EG).
Device meets EN 61326-1:2006, Additional fault: <1%
GOX100 Operation Manual English.pdf
Dive Support Introduction Video for GOX 100 Oxygen Analyzer
Oxygen Analyzer Adapter
Replacing the GOEL 370 Sensor on the GOX 100 Oxygen Analyzer
Notice: All videos are in German; however, you can add subtitles by selecting the small gear/Settings button in the lower right-hand corner of the video screen. First, you will need to switch the subtitles on by selecting German (Auto Generate). Next, select the subtitles option again and then select the Auto-translate option below the German (Auto Generate) option; here, a display of all the languages available for subtitles can be found. Now you can select the subtitle language of your preference(Example: English).