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Comparison Omron CompAir C20 Basic vs Omron CompAir C28

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Omron CompAir C20 Basic
Omron CompAir C28
Omron CompAir C20 BasicOmron CompAir C28
from $131.00
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from $69.76 up to $71.92
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Main
The length of the air tube is 1 metre.
Typecompressorcompressor
Purposestationarystationary
Specs
Medicine container10 ml7 ml
Nebulization rate0.25 ml/min0.5 ml/min
Medium particle size (MMAD)3 µm3 µm
Noise level45 dB60 dB
Nozzles
adult mask
children's mask
nozzle for nose
nozzle for mouth
adult mask
children's mask
nozzle for nose
nozzle for mouth
General
Case included
Power sourcemainsmains
Dimensions85x43x115 mm170x103x182 mm
Weight190 g1900 g
Added to E-Catalogmay 2014may 2014

Medicine container

The nebuliser's built-in medicine reservoir volume is a crucial consideration. It's important to align this parameter with medical guidelines for the prescribed treatment. A too-small capacity may require frequent refilling, disrupting the treatment process.

Also, knowing the volume of the reservoir and the nebulization rate (see below), it is possible to estimate the operating time of the nebuliser on a single refill.

Nebulization rate

The nebuliser's nebulization capacity per minute.

The ideal nebulization rate can differ based on factors such as the patient's health condition, the type of disease, and the composition of the inhaled medication, as outlined in medical guidelines. This rate is crucial in assessing the inhaler's effectiveness for specific situations and also influences how long the device operates on a single medication refill.

Some models have a nebulization speed control — in such cases, the maximum value is usually indicated in the characteristics.

Noise level

The nebuliser's maximum noise level during normal operation is a crucial factor for user comfort, especially in situations where loud sounds are undesirable, such as when treating children or during nighttime use. It's important to note that the relationship between decibel levels and actual perceived noise is not linear. For instance, a 3 dB increase corresponds to a doubling of noise, and a 20 dB increase equals a 100 — fold increase in noise. Comparative tables are often used to assess the actual loudness of inhalers, and here are some relevant values for modern devices:

30 dB — comparable to a whisper, the maximum permissible noise level in residential premises at night according to sanitary standards;
35 dB — talking in an undertone;
40 dB — normal speech at a distance of about 10 m;
45 dB — conversation in a normal voice;
50 dB — a conversation is slightly louder than usual, it is considered the maximum noise level that does not cause noticeable inconvenience;
55 dB — car engine;
60 dB — TV at medium volume;
65 dB — loud conversations at a distance of up to 1 m.
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