ENERAC 500 Manuel utilisateur
INSTRUCTION MANUAL
MICRO-EMISSIONS ANALYZER
MODEL 500
ENERAC, INC.
67 BOND STREET
WESTBURY, NY 11590
(800) 695-3637
FAX (516) 997-2129
Revision 3.0
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2
LIST OF ABBREVIATIONS....................................................................................3
OPTIONS...................................................................................................................4
CHAPTER 1
FUNDAMENTALS ...................................................................................................6
CHAPTER 2
THE INSTRUMENT KEYBOARD..........................................................................9
CHAPTER 3
BASIC INSTRUMENT OPERATION ...................................................................11
THE SMOKE TEST.............................................................................................14
CHAPTER 4
ANALYZER DESCRIPTION .................................................................................15
A. POWER REQUIREMENTS .........................................................................15
B. SAMPLE FLOW DESCRIPTION ................................................................16
C. THERMOELECTRICALLY COOLED CONDENSATION TRAP ...........17
D. SENSORS DESCRIPTION...........................................................................20
CHAPTER 5
ANALYZER SETUP...............................................................................................23
A. SYSTEM MENU...........................................................................................23
B. SPAN MENU ................................................................................................26
C. STORAGE MENU ........................................................................................27
D. PRINTER SETUP MENU.............................................................................28
E. SENSOR SETUP MENU..............................................................................29
CHAPTER 6
COMMUNICATIONS ............................................................................................30
A. ENERCOM SOFTWARE .............................................................................30
B. SERIAL COMMANDS.................................................................................33
THE ENERAC 500 COMMAND SET................................................................34
CHAPTER 7
CALIBRATION.......................................................................................................37
A. AUTOZEROING THE INSTRUMENT.......................................................37
B. SPAN CALIBRATION .................................................................................38
CHAPTER 8
MAINTENANCE ....................................................................................................43
APPENDIX A
MODEL 500 SPECIFICATIONS............................................................................48
APPENDIX B
FIRMWARE PROGRAMMING.............................................................................52
APPENDIX C
REPLACMENT PARTS .........................................................................................53
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LIST OF ABBREVIATIONS
PARAMETERS
AMB T Ambient (room) temperature
CO Carbon monoxide (a toxic gas)
CO2 Carbon dioxide
COMBUST Combustible gases
EFFIC Combustion efficiency (for boilers and furnaces, does not
apply to engines)
EX AIR Excess air
NO Nitric oxide (a toxic gas)
NO2 Nitrogen dioxide (a toxic gas)
NOX Oxides of nitrogen (a toxic mixture of nitric oxide and
nitrogen dioxide gases)
OXYGEN REF Oxygen reference basis for correction of toxic gas
Concentration
SO2 Sulfur dioxide (a toxic gas)
STACK T Stack temperature
THERMAL EFF Engine thermal efficiency (heat loss method of
calculation, not the same as combustion efficiency)
UNITS
PPM Parts (of pollutant) per million (volume basis-dry)
MGM Milligrams (of pollutant) per cubic meter
GBH Grams (of pollutant) per (engine) brake horsepower-hour
#/B Lbs. (of pollutant) per million BTU (of fuel)
" Inches of water (draft measurement)
% Percent by volume dry basis
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OPTIONS
The ENERAC Model 500 has been designed as a modular system, permitting the
installation in the field of most of the various available options. This manual
describes the complete instruments equipped with all the options. The available
options on the Model 500 are as follows:
a. 2" ENERAC Printer.
b. Nitric oxide (NO) measurement capability.
c. Nitrogen dioxide (NO2) measurement capability.
d. Sulfur dioxide (SO2) measurement capability.
e. Combustible gas measurement capability.
f. Stack draft measurement capability.
g. Smoke test (ASTM method D2156) capability.
h. Bluetooth wireless communication option.
i. Thermoelectric cooler option (Peltier drier).
j. Extra-long 36" or 48" inconel probe option.
k. Emissions units option (Lbs / millionBTU & Grams / brake-HP-hour).
l. Custom fuel option. (Either at the factory, or programmable using the
ENERCOMTM for WINDOWSTM option.
m. CD-ROM with custom software:
• EnercomTM for WINDOWSTM95/98/ME/NT/XP,
• EnercomCE for WINDOWS CE (Pocket PC),
• EnerPalm for PALM OS.
Any combination of these options are available to meet the customer's
requirements.
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Various cables and attachments are available for special connections to the Micro
Emissions Analyzer.
In addition, high resolution 0-200 PPM and extended range 0-4000 PPM versions
are available on request. (For carbon monoxide only, 0-10,000 PPM and 0-20,000
PPM ranges are also available).
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CHAPTER 1
FUNDAMENTALS
The ENERAC Model 500 Micro Emissions Analyzers are hand held state of the art
analyzers designed for the following tasks:
•To measure the emissions of carbon monoxide, oxides of nitrogen, sulfur
dioxide and oxygen from stationary and mobile combustion sources.
•To assist the operator of a combustion source with the task of optimizing its
performance and saving fuel.
•To be used as a management tool to assist the plant manager with keeping
records and controlling costs.
The ENERAC Model 500s are easy to carry and utilize the latest technology;
reliable flue type electrochemical sensors manufactured by the largest sensor
manufacturer to measure emissions.
The ENERAC use sophisticated electronics and programming designed for
increased accuracy and flexibility. It measures 2 temperatures and 5 different stack
gases. It computes efficiency of combustion, as well as excess air and carbon
dioxide. It communicates with a variety of other computers via its serial ports. It
has a library of 15 fuels, diagnostic/help messages, and can operate either on its
rechargeable batteries, AC power, or from a set of four AA alkaline cells.
ENERAC has years of experience in the manufacture and marketing of portable
combustion and emission analyzers. The Model 500 is based on this experience,
together with the latest innovations in electronic and sensor technology. They also
express our basic conviction that communications and artificial intelligence are the
basic ingredients of the instrument of the future.
The instrument operates basically as follows:
Connect the probe and water trap to the analyzer. Turn the unit on and then insert
the probe in the stack of an operating combustion source such as a boiler, furnace
or combustion engine. A pump located inside the instrument draws a small sample
of the stack gas. The sample is conditioned before entering the analyzer by passing
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through a condensation trap and particulate filter. A number of sensors analyze the
contents of the stack gas and its temperature and calculate and display the results.
The results can also be printed, stored or sent to a computer. The source operator
makes the required adjustments based on the analysis of the stack conditions to
optimize performance.
A. UNPACKING THE INSTRUMENT
Every ENERAC Model 500 includes as standard equipment:
1. One Emissions Analyzer Model 500.
2. One stack probe with 10 ft. Viton hose (non-adsorbent, flexible).
3. One condensation trap with filter.
4. One disposable fiber filter.
5. One wall-mounted AC battery charger.
6. One instruction manual.
Every ENERAC sold has stored in its memory information regarding
manufacturing and sensor dates, as well as product identification, serial number of
unit, version and original customer.
B. IMPORTANT ADVICE
Most stack gases are hot, full of moisture, corrosive and laden with soot particles.
To make sure that your instrument will give you a long time of trouble-free
performance, please observe the following recommendations.
1. Follow the instructions in your manual.
2. Never use the instrument without the fiber filter located inside the water
trap. Operating the instrument without the filter will damage the pump and
sensors. (This is a costly replacement!)
3. Do not expose the probe tip to open flame.
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4. Do not rest the stack probe’s hose on a hot boiler surface.
5. Allow the probe tip to cool off and the instrument aspirate air before packing
the probe.
6. Always be sure to use single-gas blends when calibrating the sensors.
7. Charge the battery at least every two weeks to maintain proper bias on the
sensors.
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CHAPTER 2
THE INSTRUMENT KEYBOARD
The Model 500 can be operated by using either:
•The 12 button keyboard located on the face of the analyzer, or
•By the use of commands through its serial port, USB port or Bluetooth
interface.
A brief explanation of the instrument’s buttons follows.
ON/OFF Turns the instrument on or off.
PUMP Toggles the instrument’s sample pump on or off. If you hold it
down for 3 seconds it will start a smoke test.
LIGHT Toggles the LCD display’s backlight illumination on or off.
DATA Toggles four LCD display screens. Each screen presents an
instantaneous group of data of four measurement or computation
parameters. The fourth screen displays all parameters
simultaneously. This is the most often used button.
ZERO Executes an instrument autozero (sets oxygen to 20.9%).
STORE This button is used to store data in the instrument’s internal buffers.
STATUS Toggles three LCD screens. The first screen displays the customer
name, time, and date. The second screen displays the current
PUMP LIGHT DISPLAY
DATA
ZERO STORE STATUS PRINT
SHIFT ENTER
ON/OFF
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