Specifications

GB
TECHNICAL SPECIFICATIONS/CERTIFICATIONS MSA
40 ALTAIR PRO - Operating Manual
5. Technical Specifications/Certifications
5.1. Technical Specifications
Weight 125 g (instrument with battery and clip)
Dimensions 86 x 51 x 50 mm (L x B x T) – with fastening clip
Alarms Two super bright LEDs with 320° viewing angle and a loud acoustic
alarm
Volume of
acoustic alarm
95 dB typical
Displays Large display of measured values
Battery type Lithium CR2 non-rechargeable. Replace with Energizer EL1CR2,
VARTA CR2, Panasonic CR2 battery only
Battery life Approx. 12 months under normal conditions
Sensor Electrochemical
Factory
alarm
setpoints *
LOW *
alarm
(ppm)
HIGH *
alarm
(ppm)
STEL*
(ppm)
TWA *
(ppm)
Min.
alarm
setpoint
Max.
alarm
setpoint
FAS
time
(sec)
CAL/
SPAN
time (sec)
CO &
CO Fire
25 100 100 25 15 1450 <15 90
CO Steel 75 200 200 75 15 1450 <15 90
H
2
S 10 15 15 10 5 175 <15 90
O
2
19.5% 23.0% -- -- 5.0 24 <15 90
SO
2
2.0 5.0 5.0 2.0 2.0 17.5 <15 90
NO
2
2.0 5.0 5.0 2.0 1.0 17.5 <15 240
NH
3
25 50 35 25 15 75 <15 180
PH
3
0.3 1.0 1.0 0.3 0.1 3.75 <15 90
HCN 4.5 10.0 10.0 4.5 1.0 20.0 <15 240
Cl
2
0.5 1.0 1.0 0.5 0.2 17.5 <15 240
ClO
2
0.10 0.30 0.30 0.10 0.10 0.75 <15 360
*)
Other setpoints available upon request or at any time via MSA FiveStar
®
Link™ Software