VF HF-50 Manuale utente

VF1807090083 EN

revision

version 07

2019

HAND-FOOT CONTAMINATION

MONITORS

HF-50, HF-100, HF-150, HF-300, HF-350

HF-4A, HF-4B, HF-4C, HF-4D, HF-4E

Type: K1010, K1011, K1012, K1013, K1014,

K1175, K1176, K1177, K1178, K1179

VF, a.s.

Svitavská 588

CZ 679 21 Černá Hora

tel. +420 516 428 611

fax +420 516 428 610

[email protected]

www.vfnuclear.com

Instructions for Use

Table of Contents 
 VF1807090083 EN revision 3 
Table of Contents 
Table of Contents.................................................................................................. 3 
List of Figures ....................................................................................................... 6 
List of Tables......................................................................................................... 8 
Foreword............................................................................................................... 9 
Introduction..................................................................................................... 10 
1. Instrument specifications 10 
2. Abbreviations 10 
3. Terms and definitions 11 
4. Acts, regulations and standards 13 
Occupational safety, fire protection and environmental impacts................... 14 
1. Occupational safety 14 
1.1 Safety signs used in VF, a.s. and their meanings................................................................. 14 
1.2 Obligations of the operator ................................................................................................ 14 
1.3 Qualification requirements of the staff................................................................................ 15 
1.4 Conditions for the safe operation of electrical equipment ..................................................... 15 
2. Fire protection 15 
3. Environmental impact statement 15 
4. Instrument disposal 16 
Technical specification .................................................................................... 17 
1. Surface Contamination Detector SCD-286 18 
2. Surface Contamination Detector SCD-525 20 
3. Smart Frisking Probe SFP-100 22 
General description.......................................................................................... 25 
1. Purpose of the instrument 25 
2. Description of instrument 25 
3. Design overview 27 
3.1 Connectors, description and location .................................................................................. 30 
Before putting the instrument into operation................................................. 31 
1. Transportation 31 
2. Initial preparation 31 
3. Power supply 31 

Table of Contents 
 VF1807090083 EN revision 4 
4. Storage 32 
5. Installation 32 
6. Operation verification 34 
6.1 Instrument actuation......................................................................................................... 34 
6.2 Version with an identification card reader ........................................................................... 35 
6.3 Turning off ....................................................................................................................... 35 
6.4 Power failure .................................................................................................................... 35 
6.5 Calibration of the PLC screen ............................................................................................. 36 
6.6 Initial instrument settings .................................................................................................. 36 
Instructions for use ......................................................................................... 37 
1. Visual and acoustic signalization 37 
2. Control elements 38 
3. Basic screen 38 
4. Contamination measurement procedure 39 
4.1 Contamination detection by frisker ..................................................................................... 42 
4.2 Display of measurement results ......................................................................................... 43 
5. Service menu 44 
5.1 Export archive, Export errors ............................................................................................. 46 
5.2 Clear archive, clear archive of error.................................................................................... 48 
5.3 Configuration export.......................................................................................................... 49 
5.4 Configuration import ......................................................................................................... 50 
5.5 Date and time................................................................................................................... 51 
5.6 Ethernet setup .................................................................................................................. 52 
5.7 Detectors status................................................................................................................ 52 
5.8 Detectors response ........................................................................................................... 53 
5.9 Reset ............................................................................................................................... 54 
Instrument settings......................................................................................... 55 
1. Setting the measurement parameters by means of the VF-Setup service software 55 
2. Setting the measurement parameters by means of web interface 56 
2.1 Instrument settings........................................................................................................... 58 
2.2 Detectors settings ............................................................................................................. 60 
Maintenance and care of the instrument ........................................................ 62 
1. Daily maintenance 62 
2. Quarterly maintenance 62 
3. Annual and multi-annual maintenance 62 
4. Protective foils of foot detectors 63 
5. Cleaning the dirt tray for hand detectors 64 
6. Checking the switches for foot detector grates 66 

Table of Contents 
 VF1807090083 EN revision 5 
8.7. Metrological traceability 67 
8.8. Photomultiplier (PMT) life 68 
9.Troubleshooting............................................................................................... 69 
9.1. High background level 71 
9.2. Possible detector contamination 72 
9.3. Communication failure 73 
10.Delivery parts................................................................................................. 74 
10.1. Standard delivery parts 74 
10.2. Accessories, additional equipment and related products delivered separately 74 
10.3. Consumable material 74 
11.Warranty conditions ...................................................................................... 75 
12.Annexes ......................................................................................................... 77 
Annex A. Block diagram of the HF monitor................................................................................ 77 
Annex B. Spare parts for authorized service organization........................................................... 78 
Annex C. Minimum settable alarm level versus background count rate........................................ 80 
Annex D. I/O technology ......................................................................................................... 81 
Annex E. Configuration file....................................................................................................... 82 
Annex F. Detector status, detector supply, HV sources .............................................................. 83 
Annex G. Unpacking instructions .............................................................................................. 84 
Annex H. Packing instructions .................................................................................................. 88 
Notes................................................................................................................... 94 
 

List of Figures 
 VF1807090083 EN revision 6 
List of Figures 
Fig. 1 Hand-Foot Contamination Monitor ........................................................................................................ 25 
Fig. 2 Structural lay-out.................................................................................................................................... 27 
Fig. 3 Supply, protective and communication elements at the back of the instrument base .......................... 27 
Fig. 4 Upper box with electronics .................................................................................................................... 28 
Fig. 5 Voice module......................................................................................................................................... 28 
Fig. 6 Dimensions of the variant with vertical layout of hand detectors .......................................................... 29 
Fig. 7 Terminal connectors on the rear side of the box with the PLC ............................................................. 30 
Fig. 8 Terminal connectors on the back of the base ....................................................................................... 30 
Fig. 9 Location of the main switch on the back of the base of the instrument and variant with grommet....... 32 
Fig. 10 Removal of the cover at the back part of the base and actuation of the FZ1 breaker ........................ 34 
Fig. 11 Adjustable legs for proper positioning of the instrument ..................................................................... 34 
Fig. 12 Display –Basic screen ........................................................................................................................ 35 
Fig. 13 Display - Identification of the measured person .................................................................................. 35 
Fig. 14 Calibration screen................................................................................................................................ 36 
Fig. 15 Visual signalization.............................................................................................................................. 37 
Fig. 16 Basic screen –Ready for measurement ............................................................................................. 38 
Fig. 17 Signal of readiness for measurement.................................................................................................. 38 
Fig. 18 Display –Instructions for the correct measurement position .............................................................. 39 
Fig. 19 Display –Measurement in progress.................................................................................................... 40 
Fig. 20 No contamination detected.................................................................................................................. 40 
Fig. 21 Visual signalling –No contamination detected.................................................................................... 40 
Fig. 22 Contamination signalled ...................................................................................................................... 40 
Fig. 23 Display –measurement not completed............................................................................................... 41 
Fig. 24 Display –Monitor contamination test .................................................................................................. 41 
Fig. 25 Frisker.................................................................................................................................................. 42 
Fig. 26 Detection of contamination by frisker –NOT CONTAMINATED......................................................... 42 
Fig. 27 Detection of contamination by frisker –CONTAMINATED ................................................................. 42 
Fig. 28 Display –Access to the Measurement results .................................................................................... 43 
Fig. 29 Display –Measurement results........................................................................................................... 43 
Fig. 30 Display –Enter to the Service menu................................................................................................... 44 
Fig. 31 Display –Access to the Service menu................................................................................................ 45 
Fig. 32 Display –Service menu options.......................................................................................................... 45 
Fig. 33 Display - Service menu........................................................................................................................ 46 
Fig. 34 Display –Export archive in progress................................................................................................... 47 
Fig. 35 Display –Clear archive........................................................................................................................ 49 
Fig. 36 Display - Clear error archive................................................................................................................ 49 
Fig. 37 Display –Configuration export ............................................................................................................ 50 
Fig. 38 Display –Configuration import ............................................................................................................ 51 
Fig. 39 Display –Date and time setup............................................................................................................. 51 
Fig. 40 Display –Network connection setup ................................................................................................... 52 
Fig. 41 Display –Detectors status................................................................................................................... 52 
Fig. 42 Detector response ............................................................................................................................... 54 
Fig. 43 VF-Setup: Setting the communication................................................................................................. 55 
Fig. 44 Web interface login form...................................................................................................................... 56 
Fig. 45 Web interface - menu .......................................................................................................................... 57 
Fig. 46 Web interface –Device parameters (page 1)...................................................................................... 58 

List of Figures 
 VF1807090083 EN revision 7 
Fig. 47 Web interface –Device parameters (page 2)...................................................................................... 58 
Fig. 48 Web interface –Detectors settings...................................................................................................... 60 
Fig. 49 Foil in a cardboard frame measurement for alpha radiation ............................................................... 63 
Fig. 50 Optional accessories - foot detector protective foil or frame with a protective foil .............................. 63 
Fig. 51 Orientation of protective foil on a paper reel ....................................................................................... 64 
Fig. 52 Protective foil in a frame on the foot detector (with open protective grid)........................................... 64 
Fig. 53 Cleaning the dirt tray for hand detectors ............................................................................................. 65 
Fig. 54 Foot detectors basic maintenance....................................................................................................... 66 
Fig. 55 Photomultiplier..................................................................................................................................... 68 
Fig. 56 Typical dependence of the anode current of the photomultiplier over time ........................................ 68 
Fig. 57 Display –Example of failure report...................................................................................................... 69 
Fig. 58 Display –High background level......................................................................................................... 71 
Fig. 59 Display –Detector contamination........................................................................................................ 72 
Fig. 60 Display –Loss of communication with a detector ............................................................................... 73 
Fig. 61 Block diagram of the HF monitor......................................................................................................... 77 
Fig. 62 Background-Time dependence of MDA .............................................................................................. 80 
Fig. 63 Diagram of the I/O connector .............................................................................................................. 81 
Fig. 64 The “config.xml” sample configuration file ........................................................................................... 82 
 
 

List of Tables 
 VF1807090083 EN revision 8 
List of Tables 
Tab. 1 EU guidelines and Government Orders ............................................................................................... 13 
Tab. 2 Technical standards ............................................................................................................................. 13 
Tab. 3 Overview of monitor types.................................................................................................................... 26 
Tab. 4 Terminal connectors............................................................................................................................. 30 
Tab. 5 Description of the terminal board XC1 ................................................................................................. 33 
Tab. 6 Significance of visual signalling statuses .............................................................................................. 37 
Tab. 7 Meanings of the columns in the table of measurement results............................................................ 44 
Tab. 8 Text file format of the archive exported................................................................................................ 47 
Tab. 9 The meanings of bits of the contamination measurement bit mask..................................................... 48 
Tab. 10 The meanings of bits of the contamination measurement bit mask for the given detector................ 48 
Tab. 11 The meanings of values in the table with the status of detectors ...................................................... 53 
Tab. 12 Web interface –Device parameters................................................................................................... 59 
Tab. 13 Web interface –Detectors settings .................................................................................................... 61 
Tab. 14 Failure reports .................................................................................................................................... 70 
Tab. 15 Detectors & addresses....................................................................................................................... 73 
Tab. 16 Standard delivery parts ...................................................................................................................... 74 
Tab. 17 Accessories and additional equipment delivered separately ............................................................. 74 
Tab. 18 Consumable material ......................................................................................................................... 74 
Tab. 19 Connection of an I/O connector for technology.................................................................................. 81 
Tab. 20 Global status of the detector .............................................................................................................. 83 
Tab. 21 Status of the  detector´s  supply......................................................................................................... 83 
Tab. 22 Status of HV source ........................................................................................................................... 83 
 

Foreword

VF1807090083 EN revision 9

Foreword

Read carefully the Instructions for Use before using the HF Hand-Foot Contamination Monitor and follow its

suggestions.

The information contained in these Instructions for Use is the exclusive property of VF, a.s., and may not be

modified, copied or disclosed to third parties without the company's knowledge.

Failure to follow the instructions and safety warnings contained herein may be considered a breach of warranty

conditions and may lead to the termination of warranty period.

The manufacturer reserves the right to perform technical, visual and functional changes to the design of the

instrument without prior notice as part of its programme of continuous development and improvement of its

products.

The Instructions for Use form an integral part of the instrument.

The radiometric parameters are described in detail in separate documents.

Introduction

1. Introduction

1.1. Instrument specifications

The HF series hand-foot contamination monitors are intended to measure surface contamination by alpha,

beta and gamma emitting radionuclides on hands, feet, and clothing.

Typical usage is at nuclear power plants, radio-chemical plants, research institutes, hospitals, etc.

1.2. Abbreviations

Activity

Surface activity

CRM

Certified reference material

DLM

Detection limit

DTR

Decision threshold

k1-

Coefficient of an error of the first kind (a "false positive")

k1-β

Coefficient of an error of the second kind (a "false negative)

Alarm level

Number of pulses

Count rate

Personal computer

PCB

Printed circuit board

PLC

Programmable Logic Controller

PMT

Photomultiplier

q2π

Emission form surface

Response of instrument

Response factor

RS-232 (485)

Serial Interface

Software

USB

Universal Serial Bus

ZnS(Ag)

Zinc sulphide activated with silver (scintillation material for detecting alpha radiation)

Relative basic error

Φ2π

Instrument efficiency

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