Teledyne 7500 Series Bedienungsanleitung

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 specications of this analyzer are subject to change without prior notice for further product

improvement.

• Modication 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 modication.

• 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 specied 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 sufciently 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

specied 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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