SERVOPRO NOx Operators Manual PN 221195 r0
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SERVOPRO NOx Operators Manual PN 221195 r0 - 1

Operator Manual Part Number: Revision: Language:

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SERVOPRO NOx Operators Manual PN 221195 r0 - 5

The SERVOPRO NOx is a versatile analyzer which uses the time-proven Chemiluminescence Detection (CLD) method to measure NO or NO/NO2/NOx concentrations, all in one standard package, which can also be configured with a paramagnetic oxygen (O2) sensor for emissions monitoring and control. Servomex also has a heated CLD analyzer for certification testing by heavy duty engine manufacturers that must meet the stringent requirements of US EPA 40 CFR Part 1065. Both the standard and heated analyzers can be configured with internal zero/sample/span valves and an internal sampling pump. The heated...

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SERVOPRO NOx Operators Manual PN 221195 r0 - 6

including not needing the high voltage required to run the PMT detector, lasts the lifetime of the instrument, and can be exposed to ambient light during servicing with no burn down time like a PMT detector. Delivering excellent linear analysis from trace levels to high ppmv concentrations (0- 3ppm to 0-3,000ppm) the SERVOPRO NOx analyzer is ideal for continuous monitoring of industrial stationary sources emissions or ambient air monitoring. Equipped with a non-depleting photodiode to detect chemiluminescent light, the fast response time of the analyzer also makes it a perfect solution for...

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SERVOPRO NOx Operators Manual PN 221195 r0 - 7

Operating Principle The SERVOPRO NOx analyzer utilizes the principle of chemiluminescence for analyzing the NO, NOx or NO2 concentration within a gaseous sample. The sample enters the analyzer directly into a heated chamber and is maintained at an elevated temperature. The moisture will remain in the vapor state, ensuring no loss of the NO2. In the case of the heated NOx analyzer version, the external chiller can be used to drop the moisture content down so that the moisture does not quench the analyzer signal for those applications that require the quenching due to CO 2 and H2O to be below...

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SERVOPRO NOx Operators Manual PN 221195 r0 - 8

In the NOx mode, the sample is first routed through an internal converter which converts the NO2 in the sample to NO, then the native NO from the sample plus NO from the converted NO2 flows to the reaction chamber to react with O3. The resultant reaction is a total NO native plus the converted NO2 giving a total concentration of NOx. The NO2 is then just a simple matter of subtracting the native NO from the NOx value. Reaction Chamber The sample and O3 are delivered to the reaction chamber via the unique regulated flow system described below, and mixed together at the center of the chamber...

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SERVOPRO NOx Operators Manual PN 221195 r0 - 9

Flow System The basic function of the flow system is to deliver highly stablized flows of sample and air or O2 to the ozonator and reaction chamber assemblies. The EPC (electronic proportional control) valve delivers approximately 15 PSIG (standard without ozone pump option) to a pre-set capillary and consequently accurately predetermines the ozone flow rate. The air supply cylinder should be set to 25 PSIG. Sample flows through the sample EPC valve, then the NO/NO x solenoid valve, then the sample capillary and into the reaction chamber. The sample pressure is factory set to approximately...

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SERVOPRO NOx Operators Manual PN 221195 r0 - 10

Noise Zero and Span Drift O2 Effect CH4 Effect Flow Control Sample Flow Rate Fuel Requirements Fuel Inlet Pressure Air Requirements Air Flow and Inlet Pressure Readout Less than 1% of full scale. Less than 1% of full scale per 24-hour period. Less than 2% Less than 1.2 to propane Electronic proportional pressure controller (EPC). 2.0 to 2.5 LPM 40/60 H2/He % or 100% H2 at ~250cc/min 25 psig Less than 1 ppm HC purified or synthetic air and Dew point < -10ºC. Flow ~ 450 cc/min at 25 psig As ppm or mg/m3 proportional to Methane (C1) or Propane (C3) Outputs - AK Protocol (TCP/IP and Serial...

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SERVOPRO NOx Operators Manual PN 221195 r0 - 11

INSTALLATION SAFET Y INFORMATION Safety Alert Temperature Hazard Electrical Shock Hazard Caution or Warning Note, Caution and Warning symbols appear on the instrument and in this manual to draw your attention to important operational and safety information. A “NOTE” marks a short message to alert you to an important detail. A “CAUTION” safety alert appears with information that is important for protecting your equipment and its performance. A “WARNING” safety alert appears with information that is important for protecting you, other people and equipment from damage. Pay especially close...

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SERVOPRO NOx Operators Manual PN 221195 r0 - 12

symbol (an exclamation point in a triangle) precedes a general CAUTION or symbol (wavy vertical lines with an underscore in a triangle) precedes an symbol (a lightning bolt in a triangle) precedes an electrical shock hazard WARNING statement. elevated temperature hazard CAUTION or WARNING statement. CAUTION or WARNING statement. Some or all of the above symbols may appear in this manual or on the equipment. This manual should be consulted whenever one of these symbols is encountered on the equipment. ALWAYS REMOVE POWER BEFORE CONNECTING OR DISCONNECTING SIGNAL CABLES OR WHEN SERVICING THE...

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SERVOPRO NOx Operators Manual PN 221195 r0 - 13

UNPACKING INSTRUCTIONS Open the shipping container and carefully remove the analyzer from the packing materials. Inspect the instrument for any sign of damage. Remove the top-cover retaining screws. Visually check for loose parts or connectors that are not properly seated. Verify that all circuit boards and circuit board connections are secure. If all internal components and their alignments look correct, re-install the cover. IMPORTANT: You should save the original shipping container your analyzer arrives in. The shipping container and packaging are specially designed to protect the...

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SERVOPRO NOx Operators Manual PN 221195 r0 - 14

Asia Systems Engineering and Service Centre Bldg. 9, Shanghai Euromate Industrial Park No.88 Yuanshan Road Xinzhuang Industrial Park Shanghai 201108, P.R.China Tel: +86 021 6489 7570 Asia_Sales@Servomex.com Asia_Service@Servomex.com

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SERVOPRO NOx Operators Manual PN 221195 r0 - 15

RACK MOUNTING The front panel is designed for mounting into a standard 19-inch rack enclosure. Holes are located on the left and right side to allow the panel to be secured in the rack by screws. Optional rack slides allow the analyzer to be pulled out of the rack enclosure for access. REAR PANEL The rear panel includes the following: 1. Rear-panel Power ON/OFF switch. 2. Power Entry module for power connection, power switch, fuse compartment. 3. Output connectors for analog outputs and remote functions. 4. TCP/IP connection to connect to network. 5. Serial connection to connect serial...

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