The OPM 4001 Opacity/Dust Density Monitor is a high performance opacity monitoring system with double-pass transmissometer that meets or exceeds Revised 40 CFR 60 B, PS-1 and ASTM D 6216.
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The OPM 4001 Opacity/Dust Density Monitor is a high performance opacity monitoring system with double-pass transmissometer that meets or exceeds Revised 40 CFR 60 B, PS-1 and ASTM D 6216.
Features
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Digital display instant percent opacity, average percent opacity and time to next calibration
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Alphanumeric display for system set-up and fault diagnostics display
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3 User selectable displays (instant opacity,average opacity and optical density)
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U.S. Environmental Protection Agency (EPA) approved approved zero/span calibrationtechnique
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Communications Modbus (RS-485 )
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Stack exit correlation permanent factory setting
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Sensor location service module digital display for percent correlated opacity, T2, manual zero and span initiate and transceiver current loop test jacks
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Insensitive to ambient light
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Double pass optical system
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Thru-the-lens (TTL) alignment
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Light source rated for greater than 5 years
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Electronic modulated light source
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Two 4-20mA signals for instantaneous opacity,and 6 minute average
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Calibration cycle control remote, manual and timed
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System and fault diagnostics display
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Path length of 3-50 feet
