OPM 4001 Opacity/Dust Density Monitor

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

• Digital display instant percent opacity, average percent opacity and time to next calibration
• Alphanumeric display for system set-up and fault diagnostics display
• 3 User selectable displays (instant opacity,average opacity and optical density)
• U.S. Environmental Protection Agency (EPA) approved approved zero/span calibrationtechnique
• Communications Modbus (RS-485 )
• Stack exit correlation permanent factory setting
• Sensor location service module digital display for percent correlated opacity, T2, manual zero and span initiate and transceiver current loop test jacks
• Insensitive to ambient light
• Double pass optical system
• Thru-the-lens (TTL) alignment
• Light source rated for greater than 5 years
• Electronic modulated light source
• Two 4-20mA signals for instantaneous opacity,and 6 minute average
• Calibration cycle control remote, manual and timed
• System and fault diagnostics display
• Path length of 3-50 feet