OPM 4001 Opacity/Dust Density Monitor0 pages

OPM 4001

January 2013

Product Data Sheet

PDS 105-4001.A01

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 calibration

technique

■ 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

ROSEMOUNT

Analytical

Transmissometer/Cover assembly

Standard Controller

♦

EMERSON

Process Management