Model microcem, Warning: toxic gas – Emerson MicroCEM User Manual
Page 11
Instruction Manual
748467-A
January 2002
Rosemount Analytical Inc. A Division of Emerson Process Management
Preface P-3
Model MicroCEM
WARNING: TOXIC GAS
DANGER
.
TOXIC GAS
This device may contain explosive, toxic or unhealthy gas components. Before cleaning or chang-
ing parts in the gas paths, purge the gas lines with ambient air or nitrogen.
This unit’s exhaust may contain hydrocarbons and other toxic gases such as carbon monoxide.
Carbon monoxide is highly toxic and can cause headache, nausea, loss of consciousness, and
death.
Avoid inhalation of the exhaust gases at the exhaust fitting.
Connect exhaust outlet to a safe vent using stainless steel or Teflon line. Check vent line and con-
nections for leakage.
Keep all tube fittings tight to avoid leaks. See Sections 2-5 for leak check information.
WARNING
.
DEVICE HAZARDOUS AREA CERTIFICATION(S)
Any addition, substitution, or replacement of components installed on or in this device, must be
certified to meet the hazardous area classification that the device was certified to prior to any such
component addition, substitution, or replacement. In addition, the installation of such device or
devices must meet the requirements specified and defined by the hazardous area classification of
the unmodified device. Any modifications to the device not meeting these requirements, will void
the product certification(s).
WARNING
.
PARTS INTEGRITY AND UPGRADES
Tampering with or unauthorized substitution of components may adversely affect the safety of this
instrument. Use only factory approved components for repair.
Because of the danger of introducing additional hazards, do not perform any unauthorized modifi-
cation to this instrument.
Return the instrument to Rosemount Analytical Customer Service Center. See Section 8.
CAUTION
.
PRESSURIZED GAS
This unit requires periodic calibration with a known standard gas. It also may utilizes a pressur-
ized carrier gas, such as helium, hydrogen, or nitrogen. See General Precautions for Handling and
Storing High Pressure Gas Cylinders, page P-5.