Dust and Opacity Measurement
Dust removal systems are standard equipment at cement plants, among others. Electric or fabric filters are made use of to comply with legally stipulated dust limits in exhaust gases.
Description
D-R 220 is a system for in-situ monitoring of dust emissions on smaller plants and in process applications. The system uses the double pass light attenuation principle. The system consists of a measuring head, a reflector, a purge air supply unit and a zero point reflector.
Technical Data
Benefits at a glance
- In-situ measuring principle directly in flue gas flow
- Digital operation with microprocessor
- Adjustable limit value
- Two contact switch outputs
- Measuring value integral 4/15/64 seconds
- Internal event memory
- PC-interface for easy maintenance
- Results shown as opacity or extinction
- No weather protection covers needed
Description
D-R 290 is a system for monitoring small to medium dust concentrations, e.g. 20 mg/m3 @ 5 m measuring path length. The device uses the double-pass light attenuation principle. The system consists of a measuring unit, a reflector, a purge air supply unit, and a control and display unit.
Technical Data
Benefits at a glance
- In-situ measuring principle, continuous measurement
- Semi-conductor source with long service life
- Super-wide band diode, which provides more stable measuring results in comparison to devices with conventional LEDs
- Measured value display on LC display in opacity, extinction or in mg/m3
- Automatic function tests with correction of measured values in relation to soiling
- Optics and electronics in a hermetically sealed unit - no smoke gas can enter device
- Easy adjustment without additional equipment
Description
D-R 320 is a dust monitor ideally suited for monitoring smallest to medium dust concentrations using the single side installation. The device uses the backscattering principle. It consists of a measuring head, a universal control unit and a supply unit with integrated purge air supply.
Technical Data
Benefits at a glance
- Easy installation on a standard flange
- Easy start up without adjustment
- Automatic background light compensation without light trap
- Convenient operation, remote access possible
- Integrated purge air monitoring and control
- Data transfer via Modbus
- Automatic control functions
Description
D-R 800 is an innovative measuring device with laser technology to monitor small to medium dust emission according to the actual European regulations. The device uses the forward scattering principle. It consists of a measuring lance, a supply unit with integrated purge air supply and a mounting flange 130/240/500 mm.
Technical Data
Benefits at a glance
- Continuous high sensitive in-situ measurement
- Measuring lance: Easy installation on one side of the duct
- Long lifetime, without moving parts inside the duct
- Hermetically sealed electronic housing against exhaust gas
- Integrated display: Measuring value, threshold value, parameter in probe
- Automatic function test with soiling correction
- Automatic switching of measuring ranges according to 17. BImSchV
Description
D-RX 250 is a single rod measurement probe for simultaneous measurement of dust concentration (triboelectic), volume flow, temperature and absolute pressure. It consists of a probe, a transmitter, a differential pressure transmitter, a control and evaluation unit.
Technical Data
Benefits at a glance
- Only one probe/installation opening in the exhaust gas channel
- Compact design, no moving/consumable parts
- Continuous conversion to normalized dust concentration in mg/Nm3 and to normalized volume flow in Nm3/h
- LCD display in mg/Nm3, Nm3/h, °C and hPa, one analog output for each measurement value
- Parameterization at the control unit without the need of a PC or other tools
- Remote connection of control and evaluation unit via two-wire bus interface up to 1000 m
Description
D-ISC 100 is a universal operating and display unit in stainless steel field housing for the new generation sensors, e.g. D-FL 100, D-FL 220, D-R 220 or D-R 320.
Technical Data
Benefits at a glance
- Easy set-up and automatic detection of up to eight connected sensors
- Uniform parameterization of various sensors
- Large LC Display for measured value display
- Comfortable operation and handling via keyboard
- USB interface for local device operation
- Modular design, expansion slots and slot for external converter available
- Easy update via SD memory card
- Remote support via intranet/internet
- Power supply 24 V DC/2 A for one directly connected sensor
Contact
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