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Mining Publication: Use of a Test Box to Measure Response Times for Machine-Mounted Monitors
Keywords: Coal mining Methane Methane monitors Monitoring Time measuring instruments 
 Underground mining
This page is archived for historical purposes and is no longer being maintained or updated.
Original creation date: May 2004
Authors: CD Taylor, JE Chilton, JA Zimmer
Conference Paper - May 2004
Download PDF Document (0.23 MB)
NIOSHTIC2 Number: 20024943
Ganguli R, Bandopadhyay S, eds. Mine Ventilation: Proc 10th U.S./North American Mine Ventilation Symposium, Anchorage, Alaska, May 16-19, 2004. Leiden, Netherlands: Balkema, 2004 May; :177-182
A technique for use in underground coal mines measures the response times of machine-mounted methane monitors. This technique uses a calibration cup to deliver gas to the sensor head to measure response times. For comparison, in the current study, response times were measured by placing methane sensor heads in a specially designed test box where they were exposed to an atmosphere containing a constant concentration of methane. Response time readings measured in the test box were shorter than those obtained with the calibration cup. The response times measured in the test box were comparable for sensors from three different manufacturers. The effects of dust cap and flame arrestor design on response times were also evaluated using the test box.
Image of publication Use of a Test Box to Measure Response Times for Machine-Mounted MonitorsConference Paper - May 2004
Download PDF Document (0.23 MB)
NIOSHTIC2 Number: 20024943
Ganguli R, Bandopadhyay S, eds. Mine Ventilation: Proc 10th U.S./North American Mine Ventilation Symposium, Anchorage, Alaska, May 16-19, 2004. Leiden, Netherlands: Balkema, 2004 May; :177-182
See Also
Composition Change Model for Sealed Atmosphere in Coal Mines
Evaluating Performance Characteristics of Machine-Mounted Methane Monitors by Measuring Response Time
Historical Development of Technologies for Controlling Methane in Underground Coal Mines
Methane Emission Rate Studies in a Northern West Virginia Mine
NIOSH Research for Monitoring and Controlling Methane at U.S. Underground Coal Mining Operations
Peak Methane Concentrations During Coal Mining: An Analysis
Remote Methane Sensors
Research on the Transmission of Electromagnetic Signals Between Mine Workings and the Surface
Rotary Drilling Techniques Used in the Beckley Coalbed
Water and Slurry Bulkheads in Underground Coal Mines: Design, Monitoring, and Safety Concerns
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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