AUTO-purge III/CEM

Product Type: Automated Purge and Continuous Monitoring System
Technology Type: Automated pressurized air delivery system and continuous emissions monitoring system

Reduce maintenance cost and time with a continuous emissions monitoring system purged automatically with the AUTO-purge III/CEM.

The AUTO-purge III/CEM continuous emissions monitoring system is used in conjunction with the STACK-probe and the MASS-tron II/CEM. This advanced system ensures that the STACK-probe pressure sensing ports are maintained free of particulate matter build-up and condensation. Suitable for use in industrial applications, the standard AUTO-purge III/CEM construction mounts all components in a rugged enclosure for demanding applications.

40 CFR Part 75 Compliant
Improved efficiency
Ensures long-term measurement performance and accuracy

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Features and Benefits:

Automatic purging at regular field-selectable intervals. The AUTO-purge III utilizes short duration, high pressure (up to 125 psig) air to maintain signal lines and the sensing ports of the total and static pressure manifolds in a clean, unobstructed condition. The automated purge cycle can be programmed at user-selected intervals to achieve accurate measurement performance for the process flows with entrained particulates.
Purge cycle protection of flow measurement. The last transmitted process outputs are maintained for the purge cycle for consistent flow data collection.
Transmitter isolation from purge function. Solenoid piloted spool valves isolate and protect the transmitter while the high-pressure purge air forcefully flushes out all particulate matter on the measurement station or probe array.

SPECIFICATIONS

PERFORMANCE SPECIFICATIONS
Power options:	24VAC 24VDC 120VAC
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OPERATING SPECIFICATIONS
Capacity options:	Standard (average ducts) High-model HP (for large ducts)
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PHYSICAL SPECIFICATIONS
Construction:	Brass and Copper Construction: – All wetted tubing, fittings, and valves constructed of copper and/or brass. – Enclosure is NEMA 4 painted steel – External connection fittings are stainless steel FPT. Stainless Steel Construction: – All wetted tubing, fittings, and valves constructed of 316 stainless steel. – Enclosure is NEMA 4 painted steel. – External connection fittings are stainless steel FPT.
Optional Construction:	-NEMA 4X Stainless Steel Enclosure -Vortex Cooler (requires 80-100 psi air supply) -Enclosure Heater (requires 120VAC power supply)

Applications:

Dirty Airflow processes:
- Stack Flow Measurement
- Process air
- Exhaust gases
- Pure process gases
- Flue gas
- Pure air

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Best in Class Value Proposition:

Industry leading transmitter measurement accuracy for low DP ranges typical of air and gas flow applications.
Shortest straight run requirements in the industry.
Non-uniform flow profile problem solved: highest density of sensing point + patented measurement technology = excellent airflow measurement accuracy.
Dirty applications are no problem with AUTO-purge III feature.
Excellent long-term stability, repeatability, and unmatched accuracy when used with Air Monitor’s family of flow computers featuring AUTO-zero circuitry.
Available field start up services.