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Instruction Manual 

ExTox Bio-Compact 

 

 

BA_Bio-Compact_e_2015-10-22.doc 

 

Page 5 of 12 

 

1

 

Introduction 

This Instruction Manual generally describes operation, installation and maintenance of the fol-

lowing ExTox-Product: 

Compact system for the analysis of Biogas (Bio-Compact) 

 
 
 
 
 
 
Type specific data for each device should be taken from a corresponding separate and specific 

Data Sheet. This Data Sheet forms consequently part of this Instruction Manual. References on 

the Data Sheet within this text are marked with  DB
The Bio-Compact uses a control unit of the Series ET-4D2. Configuration, operation and 

maintenance are described in the enclosed Instruction Manual of the Series ET-8D and ET-4D2
Please read this Instruction Manual carefully before installation and initial operation. We kindly 

ask you to pay attention to all details and cross-references. 
We kindly ask you not to repair the Bio-Compact or to perform any changes which go beyond 

the measures described herein. Otherwise you endanger your own safety and your warranty 

claims  of  merchantability.  In  such  cases  please  contact  ExTox  or  authorised  ExTox  Service  

Partner.  Third  parties  take  the  responsibility  for  correct  performance  of  work  when  mainte-

nance and repairs are done by them. 
On receipt of goods please take care that packing and consignment are not damaged and the 

goods  supplied  correspond  to  the  articles  described  in  the  delivery  note.  Please  do  also  com-

pare with your order. In case of any damage please inform your forwarding agent and your 

supplier. Please keep the damaged packing.  
Please keep in mind that our Bio-Compact is a sensitive measuring device and take special care 

when unpacking and installing it. 

2

 

Features of the Bio-Compact 

Compact system for the analysis of Biogas: 

 

Methane (CH

4

), Oxygen (O

2

) and Hydrogen Sulphide (H

2

S) 

·

 

Methane, 0 to 100 % (v/v) CH

4

 

·

 

Oxygen, 0 to 25 % (v/v) O

2

 

·

 

Hydrogen Sulphide: 

Type (H): 0 to 1000 ppm H

2

S, e. g. raw gas, or 

Type (L): 0 to 100 ppm H

2

S, e. g. behind active coal filter 

 

Sampling and conditioning of measured gas, transmitters and evaluation combined in one 

compact  wall  mounted  arrangement.  Process  of  measurement  especially  designed  for  bio-

gas application. 

·

 

Separate housing areas for electronics and gas part (transmitter module) 

·

 

The parts of the housing can be opened separately in order to perform installation and 

maintenance works.  

·

 

Connections between electronic and gas part are of plug-in type, therefore easily and 

separately changeable 

Article-No 

Type (L): 

up to 100 ppm H

2

Type (H): 

up to 1000 ppm H

2

Bio-Compact 

430128 

430129

 

Bio-Compact-A 

430130 

430131

 

Summary of Contents for Bio-Compact

Page 1: ...Instruction Manual ExTox Biogas Analyser Bio Compact...

Page 2: ...Page 2 of 12 BA_Bio Compact_e_2015 10 22 doc...

Page 3: ...h reliability due to modern sensor techniques and consequent interpretation acc to the requirements of the regulations and standards valid for industrial application The Bio Compact combines all neces...

Page 4: ...ays and Digital Inputs 8 5 1 3 Calibration and Adjustment 8 5 2 Transmitter Module 10 5 2 1 Replacement of a Transmitter Module 10 6 Operation of Bio Compact 11 6 1 Flow rate monitoring 11 6 2 Flame A...

Page 5: ...formance of work when mainte nance and repairs are done by them On receipt of goods please take care that packing and consignment are not damaged and the goods supplied correspond to the articles desc...

Page 6: ...Detection Systems Furthermore they are in conformity with the Euro pean Directives 94 9 EC ATEX 2004 108 EEC EMC and 2006 95 EEC LVD 2 3 Indications and Facilities The control unit ET 4D2 covering th...

Page 7: ...t changes to the phase flushing and starts the measurement later on For channels in TIMER Mode all measured values alarms and outputs remain frozen on the latest value of the previous measuring phase...

Page 8: ...Channel Configuration In the menu the mode TIMER is factory sided activated Attention Changing of these setting should in no way be done by the user Changed measur ing functions may otherwise lead to...

Page 9: ...resulting from this falsifies calibration adjustment 4 READ SENS The measured gas pump is switched off and batch meas urement is done within two minutes 5 READY Calibration is completed and a plausibi...

Page 10: ...justed It has the same warranty as a new module In case you return the replaced module you will get a credit note for it Replacement is done in few steps 1 Release access level 3 on the control unit s...

Page 11: ...rotected against weather conditions and bigger climatic fluctua tions In general we do not recommend an installation outside as in principle measuring accuracy and lifetime are influenced in a negativ...

Page 12: ...ervoltage All connections are inside the housing of the control unit ET 4D2 accessible via the cable glands at the bottom of the housing Connection of transmitters and additional devices gas suction p...

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