ALTAIR
®
4XR
7
Safety Regulations
US
sphere contains the following materials, which may desensitize the combustible gas sensor and reduce
its readings:
•
Organic silicones
•
Silicates
•
Lead-containing compounds
•
Hydrogen sulphide exposures over 200 ppm or exposures over 50 ppm for one minute.
Check minimum concentration of a combustible gas
The minimum concentration of a combustible gas in air that can ignite is defined as the Lower Explo-
sive Limit (LEL). A combustible gas reading of "XXX” indicates the atmosphere is above 100 % LEL or
5.00 % vol CH
4
, and an explosion hazard exists. Move away from hazardous area immediately.
Observe atmosphere
Do not use the device to test for combustible or toxic gases in the following atmospheres as this may
result in erroneous readings:
•
Oxygen-deficient or oxygen-rich atmospheres
•
Reducing atmospheres
•
Furnace stacks
•
Inert environments
•
Atmospheres containing combustible airborne mists/dusts.
Use the device only to detect gases/vapors for which a sensor is installed.
The device is suitable and certified for the measurement of the oxygen concentration in gas mixtures
for inertization according to EN 50104 but without alarm function.
Make sure >10% oxygen is present for accurate combustible readings with the catalytic sensor.
Not to be used for gases having a flash point in excess of 38 °C (100 °F)
Do not use the device to test for combustible gases in atmospheres containing vapors from liquids with
a high flash point (above 38 °C, 100 °F), as this may result in erroneously low readings.
Physical shock
Recheck calibration if device is subjected to physical shock.
Sensor maintenance
Do not block sensor openings as this may cause inaccurate readings. Do not press on the face of the
sensors, as this may damage them and cause erroneous readings. Do not use compressed air to clean
the sensor holes, as the pressure may damage the sensors.
Observe Proper Time for Display Stabilizing
Allow sufficient time for device to display accurate reading. Response times vary based on the type of
sensor being utilized.
Observe proper battery maintenance
Use only battery chargers made available by MSA for use with this device; other chargers may damage
the battery pack and the device. Dispose of in accordance with local health and safety regulations.
Use of the MSA GALAXY
®
GX2 Automated Test System is an alternate approved method for charging
ALTAIR 4XR devices.
As the battery pack ages, there will be a reduction in usable device runtime.
Risk of explosion:
Do not recharge device in hazardous area.
Summary of Contents for ALTAIR 4XR
Page 1: ...MSAsafety com Operating Manual ALTAIR 4XR Multigas Detector Order No 10175896 00 ...
Page 52: ...ALTAIR 4XR 52 Appendix US 7 Appendix 7 1 Start Up Sequence Power on ...
Page 53: ...ALTAIR 4XR 53 Appendix US 7 2 Fresh Air Setup FAS ...
Page 55: ...ALTAIR 4XR 55 Appendix US ...
Page 56: ...ALTAIR 4XR 56 Appendix US 7 4 Bump Test ...
Page 57: ...ALTAIR 4XR 57 Appendix US 7 5 Options Setup ...
Page 58: ...ALTAIR 4XR 58 Appendix US 7 6 Sensor Setup ...
Page 59: ...ALTAIR 4XR 59 Appendix US 7 7 Calibrations ...
Page 60: ...ALTAIR 4XR 60 Appendix US ...
Page 61: ...ALTAIR 4XR 61 Appendix US 7 8 Alarm Setup ...
Page 62: ...ALTAIR 4XR 62 Appendix US 7 9 Time and Date Setup ...
Page 63: ...sales norrscope com ALTAIR 4XR 63 Appendix US 7 10 Bluetooth Setup ...