Updated 27 Apr 2018

Universal

MI3050S

Bottom line: This modified ionisation smoke alarm is poor at detecting smouldering fires and extremely sensitive to flaming fires. It has a 10-year battery. We don't think you should buy it.

MI3050S
don't buy
40
Avg price

$57

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Test results

Overall score
Poor
40

Good points

  • OK to use.
  • Has a 10-year battery.

But

  • Poor at detecting smouldering fires.
  • Extremely sensitivite to flaming fires.

How we test

Overall score is based on smouldering and flaming fire sensitivity.

Good” or “OK” meant the alarm sounded quickly enough to alert you to danger.
Poor” meant the alarm took significantly longer to sound.
Extreme” sensitivity meant the alarm sounded so quickly they are more likely to issue false alarms.

Ease of use (/10) includes instructions and ease of installation.

See "About our test" for more information.

Noise is measured in a quiet room 3m from the alarm.

Price is from a March 2018 price survey.

Key data

Test results

Smouldering fire sensitivity
Poor
Flaming fire sensitivity
Extreme
Ease of use
6.5

Model

Avg price
$57
Alarm type
Modified ionisation
Noise (dBA)
88
Battery type
Sealed
Size
Standard

Features

Battery life (years)
10
Alarm life (years)
10
Warranty (yrs)
10
Hush period (min)
Not stated
Carbon monoxide alarm
×
Alarms can be linked
No
Voice alerts
×