Teledyne Advanced Pollution InstrumentationA Teledyne Technologies Comapny

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Model 300EM

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Gas Filter Correlation CO Analyzer

The Model 300EM measures carbon monoxide by comparing infrared energy absorbed by a sample to that absorbed by a reference gas according to the Beer-Lambert law. This is accomplished with a Gas Filter wheel which alternately allows a high energy light source to pass through a CO filled chamber and a chamber with no CO present. The light path then travels through the sample cell, which has a folded path of 14 meters. This technique allows near interferent-free operation.

The M300EM design produces superior zero and span stability and a high signal-to-noise ratio, allowing excellent sensitivity.

Multi-tasking software gives real time indication of numerous operating parameters and provides automatic alarms if diagnostic limits are exceeded. Built-in data acquisition and internal memory allows logging multiple parameters including average and instantaneous values, calibration data and operating parameters. Stored data can be retrieved via the RS-232 port, optional Ethernet port, or from the front panel.

The Model 300EM features rugged construction and is designed to perform with a minimum of attention. In the event maintenance is required, modular construction makes service a simple operation.

Features
  • Standard two year warranty
  • Ranges, 0-5 ppm to 0-5000 ppm, user selectable
  • Gas Filter Wheel for CO specific measurement
  • GFC wheel guaranteed against leaks for 5 years
  • Multi-tasking software allows viewing of test variables during operation
  • Continuous self checking with alarms
  • Dual bi-directional RS-232 for remote operation
  • Digital status outputs indicate instrument operating condition
  • Adaptive signal filtering optimizes response time
  • Temperature & Pressure compensation
  • Internal data logging with 1 min to 365 day multiple averages
  • APIcom remote operation software


Specifications
Ranges: 0-5 ppm to 0-5,000 ppm full scale, user selectable; Dual ranges and auto ranging supported
Units: Dual ranges and auto ranging supported
ppm, mg/m3
Zero noise: < 0.1 ppm
Span noise: < 0.1 ppm  (RMS)
Lower Detectable Limit (LDL): 0.2 ppm
Zero drift: < 0.5 ppm/24 hours, < 1 ppm/7 days
Span drift: < 0.5% of reading/24 hours, 1% of reading/7 days
Lag time: 10 seconds
Rise and Fall Time: < 60 seconds to 95%
Linearity: 1% of full scale
Precision: 1.0% of reading
Sample Flow Rate: 800 cm3/min ±10%
Operating Temperature Range: 5 - 40° C (with EPA equivalency)
Dimensions (HxWxD): 7” (178 mm) x 17” (432 mm) x 23.5” (597 mm)
Weight: 40 lbs (24 kg)
Power: 100V - 120V, 220V - 240V, 50/60 Hz, 250W
Analog outputs: 10V, 5V, 1V, 0.1V, selectable
Recorder Offset: ±10%
Serial Outputs: Serial Port 1: RS-232 (DB-9M)
Serial Port 2: standard RS-232 or optional RS-485 (DB-9F), Ethernet
Status (Digital): 8 outputs, 6 inputs (opto-isolated), 4 alarm outputs (optional)
Current Output: Optional 4-20mA isolated outputs, select up to three channels


    
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Teledyne API • 9480 Carroll Park Drive • San Diego, California 92121-5201 • USA