NOx – Model 9009 On-Line


  • Sealed for Harsh Environments – Industrial NEMA-4 Design.
  • Automatic Operation – Low Maintenance.
  • Built-In RS232C and Ethernet Interface for Communication with Industrial Data Collection Systems.
  • Small (6”x6”x4”) for easy mounting, lightweight (5.0 Lbs), and rugged – housed in a sealed stainless steel case.
  • Self-Starts upon the application of power, with automatic power interrupt fault recovery built-in.

Model 900901 On-Line Oxygen Analyzer Specifications:

Gas Measured: NOx
Measurement Methods: Electro Chemical Sensor
NO Sensor Life: 3 – 5 years
NO Sensor Replacement: Customer Accessible – Simple 5 minute replacement with selfcalibration – no need for factory return/service.
Measuring Range: 0 to 5,000 ppm
Resolution: 1 ppm
Gas Value Display 4 Digit x 0.5 inch high Bright Red LED 7-segment digital display.
25 ppm absolute and 5% relative to actual gas value
15 ppm absolute and 3% relative to actual gas value
Response time: 7 seconds to 95% Final Reading, (6 ft. sample line.)
Sampling Rate: 350 mL/Min Nominal (6 mL/Sec)
Rotometer Flow Meter 0 – 500 mL/Min flowmeter on gas exhaust for positive visual indication of gas sample flow
Gas-borne Contaminate Protection Built-In External and internal water blocking and particle filters protect analyzer from test gas-borne contamination.
Warm-up: Full accuracy in 30 seconds.
Internal temperature stable in 30 minutes
Operating Temperature: 0 to +40 degrees C
Power: Line Voltage:  85VAC – 250VAC 50/60 Hz.
Line Power:    Less than 3 Watts.
(Customer-Provides Switched Power to Internal Terminal Block)
Communication Interface: Sealed RS-232C Serial Port, 9600 baud.
Sealed Ethernet RJ-45 Connector.
Weight: 5 Lbs.
Size: 15cm x 15cm x 4cm (6″ x 6″ x 4″)