GREEN INSTRUMENTS G4100 Manual de usuario

G4100

Analyzing System Manual

Document ID number.: 01271

G4100 NOx/O2 Analyzing System 
3
Contents 
1INTRODUCTION 4 
1.1 10BABOUT THIS MANUAL 4 
1.2 11BINQUIRIES AND FEEDBACK 5 
2SYSTEM SPECIFICATIONS 6 
3SYSTEM INSTALLATION 7 
3.1 CONTROLAT DELIVERY 7 
3.2 WHERE TO INSTALL THE SYSTEM 7 
3.3 SAFETY ASPECTS 8 
3.4 EJECTOR PROBE 8 
3.5 ANALYZING BOARD 12 
3.5.1 Mounting Panel 12 
3.5.2 Air Supply Connection 13 
3.5.3 Span NOXGas Connection 14 
3.5.4 Analyzer and Electrical Connections 14 
4COMMISSIONING 15 
4.1 INSTALLATION CHECKS OF THE SAMPLING BOARD 15 
4.2 COMMISSIONING OF THE ANALYZER 15 
4.3 START OF SYSTEMS 15 
5OPERATION 16
5.1 CALIBRATION MODE 16 
5.2 MEASUREMENT MODE 16 
6ROUTINE MAINTENANCE 17 
6.1 AIR FLOW SYSTEM 17 
6.2 SENSOR 17 
6.3 EJECTOR PROBE 18 
7PARTS LIST 21 
List of Figures 
FIGURE 3-1: INSTALLATION LAYOUT OF THE EJECTOR PROBE 9 
FIGURE 3-2: EJECTOR PROBE DIMENSIONS 10 
FIGURE 6-1: EJECTOR PROBE 18 
 
 

Introduction

1Introduction

1.1 10BAbout this Manual

This manual contains the data and instructions for the installation, operation, and mainte-

nance of the gas sampling board with the sampling probe of the G4100 NOX/O2Analyzing

System.

The G4100 NOX/O2Analyzing System consists of two parts:

•G41 NOX/O2Analyzer

•G4100 NOX/O2gas sampling board with the sampling probe

The instructions for installation, operation, and maintenance of the analyzers are provid-

ed in the separate manual –the G41 NOx/O2Analyzer manual (p# 01250 or 01819).

For the installation, operation, and maintenance of the G4100 NOX/O2Analyzing System,

both manuals must be read carefully in their entirety.

The manual has been made in general terms and do not take into consideration a specific

installation. As such, the instruction manual is designed for the standard sampling system

fitting with the G41 NOX/O2Analyzer.

The manual does not describe all possible situations but only the most common and

known situations and cannot replace the necessary instruction and education of the per-

sonnel.

Should situations not described in the manual occur, which cannot be solved in accord-

ance with normal known practice and good workmanship, the operator should contact

Green Instruments A/S for instructions.

This manual does not claim to cover all details or variations in equipment or to provide

for every possible contingency that may arise during installation, operation, or mainte-

nance.

Green Instruments A/S reserves the right to minor alterations and improvements owing to

developments without being obliged to enter the corresponding changes in this manual.

Green Instruments A/S reserves the copyright of the manual. Without prior written per-

mission of Green Instruments A/S, the manual may not be copied and given to unauthor-

ized people.

G4100 NOx/O2 Analyzing System

1.2 11BInquiries and Feedback

All claims and inquiries for spares shall be addressed to Green Instruments A/S or our

distributors.

In all correspondence or when ordering spare parts, please carefully state the equipment

type and serial number, which you can find on the label on the right side of the blue ana-

lyzer box.

Green Instruments A/S appreciates all feedback and suggestions for improvement. If you

have any questions or find any errors in the manual, you are welcome to contact us:

Green InstrumentsA/S

Erhvervsparken 29

DK-9700 Brønderslev, Denmark

Phone: +45 9645 4500

Fax: +45 9645 4501

E-mail: [email protected]

Web: www.greeninstruments.com

System Specifications

2System Specifications

Gas Connection

Span NOX gas connection

For 6/4 mm tubing –max. 1 bar

Air supply filter regulator

with filter 25 µm

1/8” BSP connection –max. 8 bar

Air supply quality

Instrument air quality according to ISO

8573.1.4.4.4

Analyzer

See details in the G41 NOx/O2 Analyzer Manual

Analyzing Board Dimension

Analyzing board dimension

600 × 500 × 140 mm (H × W × D)

Weight

Approx. 10.0 kg without packaging

Ejector Probe

Sensor technology

Heated zirconia type sensor

Measurement range

NOX: 0…1500 ppm (selectable range)

O2: 0.0…21 % (selectable range)

Sample temperature

0…500 oC

Probe insert length

App. 250…300 mm

for duct diameters 290…2800 mm

Socket

OD: 61.5 mm L: 200 mm

Connection - ejector air (red)

6/4 mm tubing

Connection - calibration gas (white)

6/4 mm tubing

Calibration air flow

Approx. 0.5…1 l/m

Ejector air flow

at 1 bar air supply

- App. 2 l/min Vacuum 200 mm H2O

- App. 3 l/min Vacuum 350 mm H2O

- App. 5 l/min Vacuum 500 mm H2O

Ejector probe dimension

284 x 180 x 601 mm (H x W x L)

Weight including house

Approx. 5.0 kg without packaging

Umbilical cord

Cord length

3.0 m

Tubing

In 28 mm nylon conduit

Optional Equipment

Remote display with alarm relays, Recording and visualization

Marpol Reporting System, IMO NOXFlange for testing purpose

Extension kit for umbilical cord

Specifications are subject to changes without notice.

G4100 NOx/O2 Analyzing System

3System Installation

Read this chapter in its entirety before installing the system.

3.1 Control at Delivery

When you receive the G4100 NOX/O2Analyzing System, please inspect and confirm that

the received items are in accordance with the packing list and not damaged. Any discrep-

ancy should be reported to the supplier immediately. If any of the received parts are dam-

aged, the shipping company should be informed, and new parts should be made available

before completing the installation.

3.2 Where to Install the System

Satisfactory operation, faultless functions, and minimal maintenance of the G4100 NOX/O2

Analyzing System are achieved by paying attention to the following points:

•Make sure to install the ejector probe in a suitable location where it will extract the

gas that is going to be tested.

•The ejector probe shall be fitted at least 10 pipe diameters after the outlet of the en-

gine, the turbocharger, or the last after-treatment device –choose whichever is further

downstream. However, the ejector probe shall also be placed at least 0.5 m or 3 pipe di-

ameters upstream from the exit of the exhaust gas system –choose what provides the

greatest length. See 107H25H25HFigure 3-1 for the installation layout of the ejector probe. If you find

it difficult estimating where to install the ejector probe, please contact Green Instruments

A/S for more instructions.

•As a standard scope of supply, the analyzing board can be installed up to 3 m from

the ejector probe. If necessary, the umbilical cord can be extended.

•The analyzing board shall be placed and installed where the ambient temperature is

below 55 C at any time.

•The system shall be installed in a clean place away from dust, oil mist, and mois-

ture. The elements of the system shall be installed at viewing level so that it is easy ac-

cessible in connection with operation and service.

System Installation

3.3 Safety Aspects

Attention

Make sure to follow the operating instructions!

Read the manual before operating and servicing the system.

Hot sensor/probe!

The sensor/probe is hot and can cause severe burning of personnel if not handled with

care.

Installation and operation!

It should be pointed out that installation and operation of the G4100 NOX/O2Analyzing

System and associated equipment must be carried out by skilled, trained, and certified

personnel, and that Green Instruments A/S does not take any responsibility for the opera-

tion of the system and associated equipment whatsoever. The successful and safe opera-

tion of this equipment is dependent upon proper handling, installation, operation, and

maintenance.

Recycling!

Please do not dispose the G4100 NOX/O2Analyzing System with regular refuse. Disposal

should be in accordance with the requirements of the current statutory regulations.

3.4 Ejector Probe

The ejector probe is supplied with a mounting socket, gasket, sample tube, connection for

ejector air, connection for test gas and back-flushing air, sensor, and housing with mount-

ing plate.

The ejector probe has a small air operated ejector, which will propel the sample gas into

the sensor and back into the stack. The sample gas flow is drawn through the sample fil-

ter element into the sensor area via a narrow passage securing quick response time. The

sample gas velocity and responding time is controlled by the flow of the ejector air.

The gas, which passes the ejector probe, must represent the gas to be tested. Holes and

leaks in the gas ducting system before and after the probe may influence the accuracy of

the measurement.

The ejector probe shall be placed so that it is protected against mechanical damage. The

flue gas temperature cannot exceed the given temperature limit of the ejector probe.

When welding the mounting socket to the stack, make sure that the mounting plate of the

ejector probe is mounted with the sampling hose connection facing down and the ejector

G4100 NOx/O2 Analyzing System

probe protection house mounted in a vertical position of the stack. The insert length of

the ejector probe (250-300 mm) should be greater than 10 % of the duct diameter. See

26H26HFigure 3-1 for the installation layout of the ejector probe.

Exhaust Duct

Distance to the next upstream bent:

min. 3 duct diameters

Distance to the engine/turbo charger:

min. 10 duct diamters

Distance to the outlet:

min. 3 duct diamters

Distance to the next downstream bent:

min. 1 duct diameters

Sample to be drawn from the inner 80% of

the duct diameter.

NOx/O2

Probe

Umbilical

Cord

Insulation

Figure 3-1: Installation layout of the ejector probe

The figure below shows the dimensions of the ejector probe.

System Installation

Figure 3-2: Ejector probe dimensions

The figure below shows the dimensions of the board.

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