Thermo Electron ELECTRA - Page 7

( i )
RATEMETER TYPE ELECTRA & SELECTRA
CONTENTS
01.03.04
1. INTRODUCTION..................................................................................................1
1.1 GETTING STARTED: QUICK OPERATION GUIDE .........................................................1
1.2 BASIC DESCRIPTION...........................................................................................................3
2. DETAILED DESCRIPTION................................................................................5
2.1 CASE .......................................................................................................................................5
2.2 ELECTRONICS ......................................................................................................................5
2.3 PROBE CALIBRATION ........................................................................................................6
2.4 PROBE INTERCHANGEABILITY (SELECTRA ONLY) ...................................................6
3. SPECIFICATION..................................................................................................7
3.1 PERFORMANCE....................................................................................................................7
3.2 DISPLAY ................................................................................................................................9
3.3 CONTROL ............................................................................................................................12
3.4 CONNECTORS.....................................................................................................................15
3.5 POWER SUPPLY .................................................................................................................15
3.6 ENVIRONMENTAL.............................................................................................................15
3.7 MECHANICAL (APPROXIMATE DIMENSIONS)...........................................................16
3.8 OPTIONAL EXTRAS...........................................................................................................16
4. OPERATING FUNCTIONS...............................................................................18
4.1 POWER SOURCES ..............................................................................................................18
4.2 FUNCTIONAL OPERATION ..............................................................................................19
4.3 INTERNAL SWITCHES S1 .................................................................................................28
4.4 POTENTIOMETERS ............................................................................................................28
5. TYPICAL PROBE SET UP PROCEDURE .....................................................29
5.1 DUAL SCINTILLATION PROBES.....................................................................................29
5.2 ALPHA & BETA SCINTILLATION PROBES ...................................................................34
5.3 GAMMA SCINTILLATION PROBES ................................................................................37
5.4 GEIGER COUNTRATE PROBE..........................................................................................40
5.5 DOSERATE PROBE.............................................................................................................43