Updated 27 Apr 2018

Orca

Micro OM509-LS

Bottom line: This photoelectric smoke alarm is good at detecting smouldering fires and OK at detecting flaming fires. It has a 10-year battery.

Micro OM509-LS
Consumer worth considering
70
Avg price

$35

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Test results

Overall score
Good
70

Good points

  • Good at detecting smouldering fires.
  • OK at detecting flaming fires.
  • OK to use.
  • Has a 10-year battery.

But

No obvious bad points.

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
Good
Flaming fire sensitivity
OK
Ease of use
6.5

Model

Avg price
$35
Alarm type
Photoelectric
Noise (dBA)
86
Battery type
Sealed Lithium
Size
Mini

Features

Battery life (years)
10
Alarm life (years)
10
Warranty (yrs)
7
Hush period (min)
9
Carbon monoxide alarm
×
Alarms can be linked
No
Voice alerts
×

More Info

Availability
Will be rebranded as the CodeRED CRM-100 from May.