Macurco HS-1XL, CM-1XL User Manual
Macurco
(CO), HS-1
User Instructions
™ Single-Gas XL Series Monitor, CM-1XL Carbon Monoxide
XL Hydrogen Sulfide (H2S)
Important: Keep these User Instructions for reference
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TABLE OF CONTENTS
GENERAL SAFETY INFORMATION 4
Intended Use 4
List of Warnings and Cautions 4
USE INSTRUCTIONS AND LIMITATIONS 6
Use For 6
Do Not Use For 6
General Description 6
SPECIFICATIONS 9
OPERATING INSTRUCTIONS 11
Turning Unit On and Off 11
Display Readings 12
Normal Operating Mode 12
Performing Self-test 13
Viewing Peak Levels 13
Calibration Reminder Function 14
Alarms 14
Viewing Alarm Set Points 15
Low Alarm 15
High Alarm 15
TWA and STEL Alarm 15
Over Range Alarm 16
Low Battery Alarm 16
Alarm Mode Table 17
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Calibration Verification Test and Calibration 18
Performing a Calibration Verification Test (Bump Test) 19
Performing a Calibration 19
MAINTENANCE 21
Cleaning 21
Disposal 21
WARRANTY 22
GENERAL SAFETY INFORMATION
Intended Use
The Macurco™ Single-Gas XL Series Monitor is designed to continuously monitor the
ambient environment and notify the user if the level of the target gas reaches the alarm
set point for the detector. The Macurco Single-Gas XL Series Monitor is available in two
versions to monitor either Carbon Monoxide (CO) or Hydrogen Sulfide (H
List of Warnings and Cautions within these User Instructions
! WARNING
Using a certified gas with a concentration other than the one listed for this instrument and sensor
when conducting a calibration or calibration verification test (Bump test) will produce inaccurate
readings. This means that higher levels of the gas being monitored may be present and could
result in overexposure and cause sickness or death. For proper use, see supervisor or User
Instructions, or call Macurco Technical Service at 1-877-367-7891.
Each person using this equipment must read and understand the information in these User
Instructions before use. Use of this equipment by untrained or unqualified persons, or use that is
not in accordance with these User Instructions, may adversely affect product performance and
result in sickness or death.
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2S).
This instrument helps monitor for the presence and concentration level of certain specified
airborne gases. Misuse may produce an inaccurate reading, which means that higher levels of the
gas being monitored may be present and could result in overexposure and cause sickness or
death. For proper use, see supervisor or User Instructions, or call Macurco Technical Service at 1877-367-7891.
Use only for monitoring the gas which the sensor and instrument are designed to monitor. Failure
to do so may result in exposures to gases not detectable and cause sickness or death. For proper
use, see supervisor or User Instructions, or call Macurco Technical Service at 1-877-367-7891.
Each time the unit is turned on, it performs a self-test, which activates the audible, vibratory and
visual alarms. If the self-test fails, or all the alarms do not activate, do not use. Failure to do so
may adversely affect product performance and result in sickness or death. Immediately exit any
environment that causes an alarm condition on the monitor. Failure to do so may result in
sickness or death.
Do not cover or obstruct display, audible alarm opening or visual alarm cover. Doing so may
adversely affect product performance and result in sickness or death.
Vibrator and LCD may not function effectively below –4 °F (–20 °C). Using the instrument below
this temperature may adversely affect product performance and result in sickness or death.
The following steps must be performed when performing a calibration or calibration verification test
(Bump test) to ensure proper performance of the detector. Failure to do so may adversely affect
product performance and result in sickness or death.
Calibrate prior to initial use.
When performing a calibration or calibration verification test (bump test) only use certified
calibration gas at the required concentration level. Do not use expired calibration gas.
A calibration verification test (bump test) should be performed before initial and each use.
If the instrument cannot be calibrated or calibration verification test is not within ± 15% of
the calibration gas concentration, do not use until the reason can be determined and
corrected.
Do not cover or obstruct display, audible alarm opening or visual alarm cover.
Ensure sensor inlet is unobstructed and is free of debris.
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Insure calibration hood is removed prior to use.
Do not attempt to clean the instrument by rubbing with a dry cloth. Cleaning with a dry cloth may
generate a static charge and result in an explosion if located in a hazardous environment.
Do not disassemble unit or attempt to repair or modify any component of this instrument. This
instrument contains no user serviceable parts, and substitution of components may impair intrinsic
safety which may adversely affect product performance and result in sickness or death.
CAUTION
This instrument contains a lithium battery. Dispose of in accordance with local regulations.
Avoid the use of harsh cleaning materials, abrasives and other organic solvents. Such materials may
permanently scratch the surfaces and damage the display window, labels, or instrument housing.
USE INSTRUCTIONS AND LIMITATIONS
! WARNING
Each person using this equipment must read and understand the information in these User
Instructions before use. Use of this equipment by untrained or unqualified persons, or use that is not
in accordance with these User Instructions, may adversely affect product performance and result in
sickness or death.
Use For
Monitoring for Carbon Monoxide (CO) with the CM-1
2S) with the HS-1XL H2S monitor..
(H
Do Not Use For
Monitoring for gases other than those whic h the i nstrument was design ed to m onitor, or in
atmospheres where oxygen concentrations are below 12%. Prolonged exposure to high
levels of target gas may prematurely degrade sensor performance.
XL CO monitor or Hydrogen Sulfide
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General Description
These User Instructions apply to the Macurco Single-Gas XL Series Monitor, Carbon
Monoxide (CO) or Hydrogen Sulfide (H
of the ambient environment for either Carbon Monoxi de (CO) or Hydrogen Sulfide (H
2S). It is designed to provide continuous monitorin g
2S),
depending on which sensor is installed in the i nstrument. The gas det ected by the sensor
installed in the instrument is identified on the label located on the front of the unit.
Accuracy of the instrument’s gas sensor readings c an vary up to ±25% depend ing on the
accuracy of the calibration gas, how often the instrument is calibrated, environmental
conditions (temperature, atmospheric press ure, humidity, air velocity), cross interference
gases, or time of exposure to the target gas (see SPECIFICATIONS section). Calibrating
with the appropriate certified calibration gas prior to use, within the same environmental
conditions in which the instrument will be used, will increase the accuracy of the
instrument’s gas concentration reading (s ee Calibration Verification Test and Calibration
section). An internal microprocessor controls the indication and alarm functions in
response to the signals received from an elec trochemical sensor permanently mounted
inside the unit. When turned on, it continuously monitors the ambient air that enters the
sensor through the sensor inlet op ening by the process of pas sive diffusi on. If the leve l of
the target gas detected by the sensor reaches a factory pres et alarm point, the unit will
alarm (see SPECIFICATIONS section).
The Macurco Single-Gas XL Series Monitor is a battery powered unit utilizing a
permanently mounted, non-rechargeable 3.6-volt Lithium battery. It is designed to be
intrinsically safe. The Macurco Single-Gas XL Series Monitor is UL Clas sified intrinsically
safe for Class I, Div. I, Groups A, B, C, & D Hazardous Locations.
The components of the Macurco Single-Gas XL Series Monitor are assembled in an
ABS/PC plastic housing 3.2 x 2 x 1.2 in. (8.1 x 5.1 x 3.1 cm). Located on the front face of
the unit is an OFF/ON/MENU button, the display (LCD), sensor inlet, audio alarm opening,
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