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Protection of liquid intake: IP20 (it can prevent solid foreign objects with a diameter over or
equal to 12.5mm from entering, without protection against ingress)
Safety classification: equipment that cannot be used in the presence of flammable anesthetic
gas mixed with air or flammable anesthetic gas mixed with oxygen or nitrous oxide
Product size: 148*38*45 (mm)
Product weight: about 90g (excluding battery)
Memory: 15 groups of results
2.2. Working,transportation and storage environment
working environment
：
Temperature: 15℃ to 40℃
Humidity: 15% to 90% RH
Atmospheric pressure: 70kPa
～
106 kPa
Transportation and storage environment
：
Temperature: -25℃ to +70℃
Humidity: ≤90% RH
Atmospheric pressure: 70kPa
～
106 kPa
3.
Installation and usage
3.1Install the battery
This machine comes with 2 pieces of AAA batteries. Push the battery cover down and
insert the battery into the battery compartment. At this time, the product starts the self-test. A
full-screen display, backlight, and prompt sound indicate that the self-test passed and entered the
standby state. Pay attention to the positive and negative indications in the battery compartment
and close the battery cover. As shown in Figure 3,
