Sensor Specifications; Applications; Exposure To Anesthetic Gases; Calibration Techniques In Pressurized Systems - Maxtec MaxO2ME Operating Manual & Instructions For Use

Sensor Type: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Maxtec MAX-550E galvanic fuel cell
Expected Sensor Life:. . . . . . . . . . . . . >1,500,000% O
Alarm System: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . high/low alarms, flashing yellow LEDs,
Low Oxygen Alarm Range: . . . . . . . . . . . . . . . . . . . . . . . . 15%-99% (>1% lower than high alarm)
High Oxygen Alarm Range: . . . . . . . . . . . . . . . . . . . . . . 16%-100% (>1% higher than low alarm)
Alarm Accuracy: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . exact to displayed alarm value
Dimensions:. . . . . . . . . . . . . . . . . . . . . . . .3.6"(W) x 5.8"(H) x 1.2"(D) [91mm x 147mm x 30mm]
Weight: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . approximately 0.89 lbs. (.40 kg)
Cable Length:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 ft. (3m) fully extended
Diverter Fitting: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . fits industry standard, 15 mm "T" adapter

7.2 Sensor Specifications

Type: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .galvanic fuel sensor (0-100%)
Life: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 years in typical applications

8.0 APPLICATIONS

8.1 Exposure to Anesthetic Gases

Because of the unique chemistry of the oxygen sensors provided with the
MaxO ME Monitor, there are no significant effects when exposed to commonly
2
used anesthetic gases, however, the monitor is not designed for exposure to
flammable gas mixtures (See WARNING page II).
Interferent
Nitrous Oxide
Halothane
Enflurane
Isoflurane
Helium
Sevoflurane
Desflurane
NOTE: Balance mixture 30% O

8.2 Calibration Techniques in Pressurized Systems

Similar to other oxygen sensors, the Maxtec MAX series sensors measure the
partial pressure of oxygen in a gas stream. This is correlated to read "percent
oxygen" on the MaxO
is directly proportional to the partial pressure of oxygen. Thus, one must take into
consideration the effect of exposing the sensor to various gas sample pressures.
For example, if a monitor is calibrated to read 20.9% in ambient air
(atmospheric pressure) and then exposed to a pressurized gas sample
containing a known concentration of oxygen, the monitor will display a reading
greater than the actual oxygen percentage.
14
(according to IEC 60601-1-8 Audible Alarms in Medical Equipment)
Volume % Dry
60%, balance O
50%, balance O
15%
/70%N O, unless otherwise specified
2 2
ME Monitor. It is important to note that the sensor output
2
866.4.Maxtec www.maxtec.com
Hours over 2 years in typical applications
2
2
4%
5%
5%
2
5%
nominal 975Hz audio buzzer
Interference in O
2
<1.5%
<1.5%
<1.5%
<1.5%
<1.5%
<1.5%
<1.5%
%