MSA altair 4 Service Manual

MSADescription
ALTAIR 4
10
GB
2.4 Battery Care
Battery Life Indicator
The battery condition icon is continuously displayed in the upper right-hand corner
of the display. As the battery is depleted, battery icon segments blank until only the
battery icon outline remains.
Each indicator segment represents approximately 25 % of the total battery capaci-
ty.
Battery Charging
The charger is capable of charging a completely depleted pack in less than four
hours in normal, room-temperature environments.
- Minimum and maximum ambient temperature to charge the instrument is 10 °C
[50 °F] and 35 °C [95 °F], respectively.
- For best results, charge the instrument at room temperature [23 °C].
Hourglass – Indicates user should wait.
Minimum – Indicates a minimum value or low alarm.
PEAK Symbol – Indicates a PEAK reading or high alarm.
STEL Symbol – Indicates a STEL alarm.
Warning!
Risk of explosion: Do not recharge instrument in hazardous area.
Attention!
Use of any charger, other than the charger supplied with the instrument,
may damage or improperly charge the batteries.
Allow very hot or cold instruments to stabilise for one hour at room tem-
perature before attempting to charge.

MSA altair 4 Specifications

General

Operating Temperature	-20°C to 50°C (-4°F to 122°F)
Ingress Protection	IP67
Type	Multi-gas Detector
Gases Detected	LEL, O2, CO, H2S
Display	LCD
Weight	Approx. 220g (with battery)
Sensor Type	Electrochemical (for H2S, CO, and O2); Catalytic Bead (for LEL)
Alarm Type	Audible, Visual, Vibrating
Detection Range	O2: 0-30% vol, LEL: 0-100% LEL, CO: 0-999 ppm, H2S: 0-500 ppm
Humidity Range	15% to 90% RH non-condensing
Certifications	UL, CSA, ATEX, IECEx