Teledyne 7500 Series Manual de usuario
TELEDYNE
ANALYTICAL INSTRUMENTS
OPERATING INSTRUCTIONS
Series Model 7500
Infrared Gas Analyzer
DANGER
HIGHLY TOXIC AND OR FLAMMABLE LIQUIDS OR GASES MAY BE PRESENT IN THIS
MONITORING SYSTEM.
PERSONAL PROTECTIVE EQUIPMENT MAY BE REQUIRED WHEN SERVICING THIS SYSTEM.
HAZARDOUS VOLTAGES EXIST ON CERTAIN COMPONENTS INTERNALLY WHICH MAY PERSIST
FOR A TIME EVEN AFTER THE POWER IS TURNED OFF AND DISCONNECTED.
ONLY AUTHORIZED PERSONNEL SHOULD CONDUCT MAINTENANCE AND/OR SERVICING.
BEFORE CONDUCTING ANY MAINTENANCE OR SERVICING CONSULT WITH AUTHORIZED
SUPERVISOR/MANAGER.
P/N
07/07/11
2 Model 7500 Instruction Manual
Teledyne Analytical Instruments
PREFACE
We are grateful for your purchase of Teledyne Analytical Instrumentʼs Model 7500 Infrared Gas
Analyzer.
• First read this instruction manual carefully until an adequate understanding is acquired, and then
proceed to installation, operation and maintenance of the analyzer. Wrong handling may cause an
accident or injury.
• The specications of this analyzer are subject to change without prior notice for further product
improvement.
• Modication of this analyzer is strictly prohibited unless a written approval is obtained from the
manufacturer. Teledyne will not bear any responsibility for a trouble caused by such a modication.
• This instruction manual shall be stored by the person who actually uses the analyzer.
• After reading the manual, be sure to store it at a place easier to access.
• This instruction manual should be delivered to the end user without fail
Delivered Items:
Analyzer main frame (1)
Power cable (1)
Fuse (2) Rating : 1 A
Instruction manual (1)
Side rail (2) Option
• It is prohibited to transfer part or all of this manual without Teledyneʼs permission.
• Description in this manual is subject to change without prior notice for further improvement.
3 Model 7500 Instruction Manual
Teledyne Analytical Instruments
SAFETY PRECAUTIONS
Please read this section carefully to ensure using the analyzer in the correct way.
The cautionary descriptions listed here contain important information about safety, so they should
always be observed. Those safety precautions are ranked in 3 levels, “DANGER”, “CAUTION” and
“PROHIBITED”.
DANGER Wrong handling may cause a dangerous situation,
in which there is a risk of death or heavy injury.
CAUTION Wrong handling may invite a dangerous situation,
in which there is a possibility of medium-level
trouble or slight injury or only physical damage is
predictable.
PROHIBITED Items which must not be done are noted.
Caution on installation and transport of gas analyzer
DANGER • This unit is not explosion-proof type. Do not
use it in a place with explosive gases to prevent
explosion, re or other serious accidents.
CAUTION • For installation, observe the rule on it given in the
instruction manual and select a place where the
weight of gas analyzer can be endured. Installation
at an unsuited place may cause turnover or fall
and there is a risk of injury.
• For lifting the gas analyzer, be sure to wear
protective gloves. Bare hands may invite an injury.
• Before transport, x the casing so that it will not
open. Otherwise, the casing may be separated
and fall to cause an injury.
• During installation work, care should be taken to
keep the unit free from cable chips or other foreign
objects. Otherwise, it may cause re, trouble or
malfunction of the unit.
4 Model 7500 Instruction Manual
Teledyne Analytical Instruments
Caution on piping
DANGER In piping, the following precautions should be
observed. Wrong piping may cause gas leakage. If
the leaking gas contains a toxic component, there
is a risk of serious accident being induced. Also, if
combustible gas is contained, there is a danger of
explosion, re or the like occurring.
• Connect pipes correctly referring to the
instruction manual.
• Exhaust should be led outdoors so that it will not
remain in the locker and installation room.
• Exhaust from the analyzer should be relieved in
the atmospheric air in order that an unnecessary
pressure will not be applied to the analyzer.
Otherwise, any pipe in the analyzer may be
disconnected to cause gas leakage.
• For piping, use a pipe and a pressure reducing
valve to which oil and grease are not adhering.
If such a material is adhering, a re or the like
accident may be caused.
Caution on wiring
CAUTION • Wiring work must be performed with the main
power set to OFF to prevent electric shocks.
• Enforce construction of class-D rounding wire by
all means. If the specied grounding construction
is neglected, a shock hazard or fault may be
caused.
• Wires should be the proper one meeting the
ratings of this instrument. If using a wire which
cannot endure the ratings, a re may occur.
• Be sure to use a power supply of correct rating.
Connection of power supply of incorrect rating may
cause re.
Caution on use
DANGER • For correct handling of calibration gas or other
reference gases, carefully read their instruction
manuals beforehand. Otherwise, carbon monoxide
or other hazardous gases may cause an
intoxication particularly.
CAUTION • Before leaving unused for a long time or
restarting after left at such a status for an
extended length of time, follow the directions of
each instruction manual because they are different
from normal starting or shutdown. Otherwise, the
performance may be poor and accidents or injuries
may be caused.
• Do not operate the analyzer for a long time with
its door left open. Otherwise, dust, foreign matter,
etc. may stick on internal walls, thereby causing
faults.
5 Model 7500 Instruction Manual
Teledyne Analytical Instruments
Caution on use
PROHIBITED • Do not allow metal, nger or others to touch the
input/output terminals in the instrument. Otherwise,
shock hazard or injury may occur.
• Do not smoke nor use a ame near the gas
analyzer. Otherwise, a re may be caused.
• Do not allow water to go into the gas analyzer.
Otherwise, hazard shock or re in the instrument
may be caused.
Caution on maintenance and check
DANGER • When doors are open during maintenance or
inspection, be sure to purge sufciently the inside
of the gas analyzer as well as the measuring
gas line with nitrogen or air, in order to prevent
poisoning, re or explosion due to gas leak.
CAUTION Be sure to observe the following for safe operation
avoiding the shock hazard and injury.
• Remove the watch and other metallic objects
before work.
• Do not touch the instrument wet-handed.
• If the fuse is blown, eliminate the cause, and then
replace it with the one of the same capacity and
type as before. Otherwise, shock hazard or fault
may be caused.
• Do not use a replacement part other than
specied by the instrument maker. Otherwise,
adequate performance will not be provided.
Besides, an accident or fault may be caused.
• Replacement parts such as a maintenance part
should be disposed of as incombustibles. For
details, follow the local ordinance.
Others
CAUTION • If the cause of any fault cannot be determined
despite reference to the instruction manual, be
sure to contact the factory. If the instrument is
disassembled carelessly, you may have a shock
hazard or injury.
6 Model 7500 Instruction Manual
Teledyne Analytical Instruments
CONTENTS
PREFACE .............................................................................................................................2
CAUTION ON SAFETY ..........................................................................................................3
1. OVERVIEW.........................................................................................................................8
2. NAME AND DESCRIPTION OF EACH PART ...................................................................9
2.1 Description of each unit ......................................................................................9
3. INSTALLATION ................................................................................................................10
3.1 Installation conditions ........................................................................................10
3.2 Installation of analyzer .......................................................................................11
3.3 Piping .................................................................................................................11
3.4 Sampling ............................................................................................................12
3.5 Wiring method ....................................................................................................15
4. OPERATION ................................................................................................... ..................24
4.1 Preparation for operation ....................................................................................24
4.2 Warm-up operation and regular operation ..........................................................24
5. DESCRIPTION OF DISPLAY AND OPERATION PANEL .................................................25
5.1 Name and description of operation panel ...........................................................25
5.2 Overview of display and operation panel ............................................................26
5.3 Overview of display screen .................................................................................27
5.4 General operation................................................................................................30
6. SETTING AND CALIBRATION...........................................................................................31
6.1 Changeover of range ..........................................................................................31
6.2 Calibration setting ...............................................................................................32
6.2.1 Setting of calibration concentration......................................................32
6.2.2 Setting of manual zero calibration ...................................................... 34
6.2.3 Setting of calibration range ..................................................................36
6.2.4 Setting of auto-calibration component .................................................38
6.3 Alarm setting ........................................................................................................40
6.3.1 Setting of alarm values ........................................................................40
6.3.2 Hysteresis setting ................................................................................42
6.4 Setting of auto calibration ....................................................................................43
6.4.1 Auto calibration ....................................................................................43
6.4.2 Forced stop of auto calibration ............................................................45
6.5 Setting of auto zero calibration ............................................................................47
6.5.1 Auto zero calibration ............................................................................47
6.5.2 Forced stop of auto zero calibration ....................................................49
6.6 Peak alarm setting ...............................................................................................51
6.7 Parameter setting ................................................................................................53
Teledyne Analytical Instruments
7 Model 7500 Instruction Manual
6.8 Maintenance mode …………………………………………………………………… 57
6.9 Calibration …………………………………………………………………………….. 59
6.9.1 Zero calibration …………………………………………………………… 59
6.9.2 Span calibration ………………………………………………………….. 60
7. MAINTENANCE ................................................................................................... 61
7.1 Daily check ............................................................................................ 61
7.2 Daily check and maintenance procedures ............................................ 61
7.3 Cleaning of measuring cell .................................................................... 62
7.3.1 Disassembly and assembly of measuring cell ....................... 62
7.3.2 How to clean cell ……………………………………………….. 67
8. TROUBLESHOOTING ......................................................................................... 68
8.1 Error message .......................................................................................... 68
9. SPECIFICATIONS ............................................................................................... 70
9.1 Specifications ………………………………………………………………. 70
9.2 Code symbols ………………………………………………………………. 73
9.3 Outline diagram …………………………………………………………….. 78
APPENDIX ………………………………………………………………………………… 80
Drawing List ............................................................................................................. 80
8 Model 7500 Instruction Manual
Teledyne Analytical Instruments
1. OVERVIEW
The Model 7500 infrared gas analyzer measures the concentrations of CO2, CO, CH4, SO2 and O2
contained in sample gas. CO2, CO, CH4 and SO2 are measured by non-dispersion infrared method,
while O2 is measured by paramagnetic method. A maximum of 4 components including O2 (a maximum
of 3 components for other than O2 measurement) are simultaneously measurable.
A high-sensitivity mass ow sensor is used in the detector unit of infrared method. Due to use of single
beam system for measurement, maintenance is easy and an excellent stability is ensured for a long
period of time.
In addition, a microprocessor is built in and a large sized liquid crystal display is provided for easier
operation, higher accuracy and more functions.
This analyzer is thus optimum for combustion control of various industrial furnaces, botanical study and
global atmospheric research.
9 Model 7500 Instruction Manual
Teledyne Analytical Instruments
2. NAME AND DESCRIPTION OF EACH PART
2.1 Description of each unit
Name Description
1. Handle Draws the analyzer unit from the case.
2. Power switch Turns ON/OFF this analyzer.
3. Switch for back light Turn ON/OFF the back light of display.
4. Display / Operation panel Liquid crystal display and keys for various
operational settings are arranged.
5. Sampling gas inlet Port for connecting the sample gas injection pipe.
6. Sampling gas outlet Port for connecting the pipe for discharging the
gas after analysis.
7. Purge gas inlet Port for connecting the purge gas pipe.
8. Terminal block 1 Analog output terminals
9. Terminal block 2 Analog signal and contact input terminals
10. Terminal block 3 Contact output terminals
11. Terminal block 4 Contact output terminal
12. Terminal block 5 Alarm output terminal
13. Connector 2 Communication interface
14. Power inlet Used to connect the power cable.
10 Model 7500 Instruction Manual
Teledyne Analytical Instruments
3. INSTALLATION
DANGER
This unit is not explosion-proof type. Do not use it in a place with explosive gases to avoid explosion, re
or other serious accidents.
CAUTION
• For installation, observe the rule on it given in the instruction manual and select a place where the
weight of gas analyzer can be endured. Installation at an unsuited place may cause turnover or fall and
there is a risk of injury.
• For lifting the gas analyzer, be sure to wear protective gloves. Bare hands may invite an injury.
• Before transport, x the casing so that it will not open. Otherwise, the casing may be separated and fall
to cause an injury.
• The gas analyzer is heavy. It should be transported carefully by two or more persons if manually
required. Otherwise, body may be damaged or injured.
• During installation work, care should be taken to keep the unit free from cable chips or other foreign
objects. Otherwise, it may cause re, trouble or malfunction of the unit.
3.1 Installation conditions
To install the analyzer for optimum performance, select a location that meets the following conditions:
(1) Use this instrument indoors.
(2) A vibration-free place
(3) A place which is clean around the analyzer.
(4) Power supply
Rated voltage: 100V to 240VAC
Operating voltage: 85V to 264VAC
Rated frequency: 50/60 Hz
Power consumption: 70 VA max.
Inlet: Conformity to EN60320 class I type 3-pin inlet
(5) Operation conditions
Ambient temperature: -5 to 45°C
Ambient humidity: 90% RH or less, no condensation
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