June 2002Analytical Instrumentation & Environmental Monitoring
The Oldham France EP1000 stack monitor is well received by various South African companies because of the unique features and stability of the product. Spero Group is the sole agent for Oldham France and is proud to represent a company with its credibility, stability and international track record and outstanding after-sales service.
Outstanding features
* Installation is made easy with a sighting facility while the IP65 rated enclosure allows adequate protection against the elements.
* Operates with stack gas temperatures up to 500°C.
* Measurement range is from 0 to 10 g/m³ in 10 user selectable ranges. A unique feature is the ability to program up to 10 separate processes.
* Standard outputs include 4-20 mA, RS485 or RS422 protocol.
* An optional remote display and keyboard for easy control.
* Waterproof cabinet enables outside mounting with ambient temperature range
-30 to +60°C (IP65).
* Does internal conversion from backscatter signal to output reading in mass/volume (g/m³).
* Ventilation and blowing mechanism integrated in the mantle prevents the optics from contamination, by creating an over pressure of air in front of the optics, especially in the chimneys with higher than atmospheric pressure. It also acts as a cooling mechanism for the instrument.
* An automatic internal zero check is done to ensure correct zero point operation. No regular span check is required due to controlled optical output of the laser diode and optical sensor technology.
* Excellent signal linearity, especially at low concentrations.
* Relative insensitivity to the flow rate and temperature of emissions.
Laser beam backscattering
Pointed into the dust-bearing gas stream, the laser beam is scattered by the dust particles back towards the instrument, providing a signal directly proportional to dust concentration.
Unique advantages
* Linear response over wide measuring range.
* Requires only one isokinetic sample for accurate calibration.
* Cost of ownership - low maintenance.
* Zero drift.
* Well adapted for large diameter stacks found on power plants.
* Standard display keyboard permits user to view measurements and internal instrument parameters and do instrument set-up.
* Optional remote display keyboard available.
* COMM1000 software now available.
The EP1000 has TUV certification and complies with EPA regulations.
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