Technical data

-4-
Content
Page
For your Safety 5
Operational Hints 5
General Description 6
Detection Principle 6
Design 7
Mounting Position of Transmitter 8
Mounting 9
Installation of Electrical Connections 9
Putting in Operation 10
Detection Mode 11
Check and AutoCal Adjustment of Zeropoint (ZERO) 13
Check and AutoCal Adjustment of Sensitivity (SPAN) 14
Service Menu and Extended Service Menu 15
Sensor Replacement 21
Transmission Characteristics 22
Special Status and relevant Error Messages 23
Messages in detection mode 24
Messages in service mode and during calibration 24
Situation of Status LED’s and Output 25
Priority of displays and messages in detection mode 25
Putting into Operation and Maintenance 25
Service, Inspection, Calibration and Adjustments 26
Regular Function Tests 26
Repair 26
Function Restrictions depending on Oxygen Concentration 27
Display Irritation due to Sensor Poisons 27
Trouble Shooting 27
Lower Explosion Limits (LEL) of Gases subject to Function Test 27
Spare Part List 28
Accessories 28
Connection Diagram CC 28 - with 4 .. 20 mA Output 29
Terminal Diagram MWG CC28 30
Sensor specification 31
Technical Data 32
Annex 33
Internal Memory CC28 33
EC-Type Examination Certificate 34
Warning:
The supply voltage must never exceed
30 V DC, not even in case of voltage peaks !