Setting Up The Sirius Multigas Detector; Warning; Power Systems; Approximate Run Time (Hours) - MSA Sirius Operating Manual

Chapter 4,

Setting up the Sirius Multigas Detector

Power Systems

• The Sirius Multigas Detector is supplied with a rechargeable
Lithium-Ion battery pack or a replaceable cell, four AA alkaline
battery pack.
NOTE: For both types of battery packs, always remove the battery
pack from the instrument if the instrument is not to be used
for 30 days.
• See TABLE 4-1 for nominal run times by battery type. Note that
there is a severe reduction in run time for instruments operated at
colder temperatures.
Table 4-1.
Battery Type/Temperature/Approximate Run Time (Hours)
BATTERY TYPE 23°C (72°F)
Alkaline
Lithium-Ion
Battery Pack Removal and Replacement (FIGURE 4-1)
Do not remove the instrument's battery pack in a hazardous
area. Do not take battery packs into a hazardous area unless
they are properly attached to the Sirius instrument!
To remove the battery pack from the Sirius Multigas Detector:
1. Unscrew the captive screw from the bottom of the battery door.
Table 4-2. Battery Type/Temperature Class
BATTERY T4 UP TO 50°C
Rechargeable Li ION
Duracell MN1500
Varta 4006
Energizer E91
0°C (32°F)
6 4
11 9

" WARNING

"
T3 UP TO 50°C
-20°C (-4°F)
1
6
4-1