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Cryogenic Freezing Solutions

Aspida CO2 & O2 Portable Alarm

The Aspida is a personal alarm, available as a dual CO2/O2 alarm or as a single gas variant.

It is supplied with many features: audio/visual alarms, time weighted average (TWA), vibration alarm and a highly visible display all packaged into a durable, water resistant enclosure; more features ensure it is a true portable protector.





  • Features +

    • LED Display of Gas Levels
    • Visual/ Audible alarms
    • Dual CO2/O2 alarm
    • 'Man down' alarm alert
    • Up to 2 sharers
    • 12 hours from fully charged

  • Specification +

    • Sensor range: CO2: 0.01 to 5%  O2: 0.1 to 25%
    • Operating temperature: -5°C to 50°C
    • Accuracy: CO2 - ± 2% of full scale between 0.01 % & 2.5%*  CO2* - ± 3% of full scale between 2.5% & 5%* O2 - ± 3% of full scale between 0.1 & 25%*
    • Operation time: 12 hours from a fully charged set of batteries or 2 x AA batteries
    • Response time: CO2:  T90 <60 seconds  O2:  T90 <30 seconds
    • Visual alarms: 1 x green - OK   1 x amber - Fault   3 x red - Alarm
    • Audible alarm: 95db @ 30 cm
    • Man down/Panic alarm: 110db @ 30 cm
    • Dimensions: L: 127 x D: 44 x W: 90mm
    • Weight: Dual: 355g  Single O2: 350g  Single CO2: 335g
    • IP rating: IP65
    • EMC: 2004/108/EC
    • (* at standard temperature & pressure)

  • Download +

    Click here to download the specification sheet

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Contact Us

Planer Freezers are offered to the international market. 

Please contact us to get further information.

Planer Limited

110 Windmill Road
Sunbury-On-Thames
TW16 7HD
United Kingdom

+44 1932 755000
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