Safety Guide

9
Table 1.2 Wireless certifications
Agency or
authority
Identification number or registration
number
Country or region
IC 216Q-1740, 7084A-SM200, 20727-VPX Canada
NCC CCAJ18LP0C30T2 and CCAJ18LP0C31T2 Taiwan
NTC sn 549 and sn 550 Thailand
TRC
a
TRC/LPD/2018/159 Jordan
a
Ventis Pro 5 only
Warnings and Cautionary Statements
Read and understand this Product Manual before operating or servicing the instrument. Failure to perform
certain procedures or note certain conditions—provided below and throughout the manual—may impair the
performance of the product, cause unsafe conditions, or both.
Table 1.3 Warnings and cautionary statements
If it appears that the instrument is not working correctly, immediately contact Industrial Scientific.
Only qualified personnel should operate, maintain, and service the instrument.
Substitution of components may impair intrinsic safety, which may cause an unsafe condition.
Substituer des composants peut compromettre la sécurité intrinsèque, ce qui peut résulter en une situation
dangereuse.
Do not use in oxygen-enriched atmospheres. If the atmosphere becomes oxygen enriched, it may cause
inaccurate readings.
Oxygen-deficient atmospheres may cause inaccurate readings.
A rapid increase in a gas reading that is followed by a declining or erratic reading may indicate an over-range
condition, which may be hazardous.
Sudden changes in atmospheric pressure may cause temporary fluctuations in gas readings.
Temperatures below -20 °C (-4 °F) are likely to cause decreased functionality in the instrument's display screen
and man-down feature.
Sudden changes in ambient-air temperature will cause a form of sensor drift in the Carbon Monoxide/Hydrogen
Sulfide (CO/H
2
S) sensor (part number 17155306-J) that will produce temporary variations in the sensor's
readings:
• If the temperature suddenly increases, the CO reading will temporarily decrease and the H
2
S reading may
temporarily increase.
• If the temperature suddenly decreases, the CO reading will temporarily increase and the H
2
S reading may
temporarily decrease.
The readings will stabilize when the sensor has acclimated to the change in temperature. For example, if the
ambient-air temperatures changes from a "room temperature" of 20 °C (68 °F) to an outdoor temperature of 0