Macurco OX-1, HS-1, CM-1 User Manual
Macurco
HS-1 Hydrogen Sulfide (H
User Instructions
™ Single-Gas Monitor Series, CM-1 Carbon Monoxide (CO),
2S), OX-1 Oxygen (O2)
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
Activating the Detector 11
Display Readings 12
Normal Operating Mode 12
2S and CO Models 12
H
2 Model 12
O
Performing Self-test 13
Viewing Peak Levels 13
Time Remaining Indicator 14
End of Life Indicator 14
Alarms 14
Viewing Alarm Set Points 15
Low Alarm 15
High Alarm 15
Over Range Alarm 15
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Low Battery Alarm 15
Alarm Mode Table 16
Calibration Verification Test and Calibration 16
Performing a Calibration Verification Test
(Bump Test) (CO & H
Performing a Calibration (O
2S Models Only) 17
2 Model Only) 18
MAINTENANCE 19
Cleaning 19
Disposal 19
WARRANTY 20
GENERAL SAFETY INFORMATION
Intended Use
The Macurco™ Single-Gas Monitor Series 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 monitor. The Macurco™ Single-Gas Monitor is designed to operate for 2
years and then be disposed of according to local regulations. The Macurco Single-Gas
Monitor is a single gas detector that is available in three versions to monitor either Carbon
Monoxide (CO), Hydrogen Sulfide (H
2S) or Oxygen (O2).
List of Warnings and Cautions within these User Instructions
! 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.
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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. With oxygen sensor installed, misuse may produce an inaccurate reading where lower or
higher levels of oxygen may be present and cause sickness or death. For proper use, see
supervisor or User Instructions, or call Macurco Technical Service at 1-877-367-7891.
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 a self-test is performed, it 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 (O
verification test (CO and H
2S models) to ensure proper performance of the detector. Failure to do
2 model) or calibration
so may adversely affect product performance and result in sickness or death.
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 (O
2 model) or calibration verification test (CO and H2S
models) 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.
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, either Carbon Monoxide (CO), Hydrogen Sulfide (H2S) or Oxygen (O2).
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 % when equipped with Carbon
monoxide (CO) or Hydrogen Sulfide (H
2S) sensors. Prolonged exposure to high levels of
target gas may prematurely degrade sensor performance.
General Description
These User Instructions apply to the Macurc o Single-Gas Series. It is d esigned to pr ovide
continuous monitoring of the ambient environ ment for Carbon Monoxide (CO), Hydrogen
Sulfide (H
2S) or Oxygen (O2), depending on which sensor is installed in the instrument.
The gas detected by the sensor inst alle d in the instrument is identified on the label located
on the front of the unit and the sensor symbol on the LCD display.
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