VF HF-50 - Cleaning the Dirt Tray for Hand Detectors; Fig. 51 Orientation of Protective Foil on a Paper Reel; Fig. 52 Protective Foil in a Frame on the Foot Detector (with Open Protective Grid)

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Maintenance and care of the instrument

VF1807090083 EN revision 64

Fig. 51 Orientation of protective foil on a paper reel

Fig. 52 Protective foil in a frame on the foot detector (with open protective grid)

8.5. Cleaning the dirt tray for hand detectors

1. Remove the metal triangular grid at the bottom of the body of hand detectors on the left and right

sides of the instrument (1x countersunk M4 allen screw).

2. Pull out and clean the released metal tray, which is located underneath the grid.

3. Reassemble the tray and triangular grid.

This applies only to vertical hand detectors variants.

Detector

Main Page

Table of Contents4
Tab. 1 EU Guidelines and Government Orders13
Tab. 2 Technical Standards13
Fig. 1 Hand-Foot Contamination Monitor25
Tab. 3 Overview of Monitor Types26
Fig. 2 Structural Lay-Out27
Fig. 3 Supply, Protective and Communication Elements at the Back of the Instrument Base27
Fig. 4 Upper Box with Electronics28
Fig. 5 Voice Module28
Fig. 6 Dimensions of the Variant with Vertical Layout of Hand Detectors29
Fig. 7 Terminal Connectors on the Rear Side of the Box with the PLC30
Fig. 8 Terminal Connectors on the Back of the Base30
Tab. 4 Terminal Connectors30
Storage32
Installation32
Fig. 9 Location of the Main Switch on the Back of the Base of the Instrument and Variant with Grommet32
Tab. 5 Description of the Terminal Board XC133
Operation Verification34
Instrument Actuation34
Fig. 10 Removal of the Cover at the Back Part of the Base and Actuation of the FZ1 Breaker34
Fig. 11 Adjustable Legs for Proper Positioning of the Instrument34
Version with an Identification Card Reader35
Turning off35
Power Failure35
Fig. 12 Display - Basic Screen35
Fig. 13 Display - Identification of the Measured Person35
Calibration of the PLC Screen36
Initial Instrument Settings36
Fig. 14 Calibration Screen36
Instructions for Use37
Visual and Acoustic Signalization37
Fig. 15 Visual Signalization37
Tab. 6 Significance of Visual Signalling Statuses37
Control Elements38
Basic Screen38
Fig. 16 Basic Screen - Ready for Measurement38
Fig. 17 Signal of Readiness for Measurement38
Contamination Measurement Procedure39
Fig. 18 Display - Instructions for the Correct Measurement Position39
Fig. 19 Display - Measurement in Progress40
Fig. 20 no Contamination Detected40
Fig. 21 Visual Signalling - no Contamination Detected40
Fig. 22 Contamination Signalled40
Fig. 23 Display - Measurement Not Completed41
Fig. 24 Display - Monitor Contamination Test41
Contamination Detection by Frisker42
Fig. 25 Frisker42
Fig. 26 Detection of Contamination by Frisker - NOT CONTAMINATED42
Fig. 27 Detection of Contamination by Frisker - CONTAMINATED42
Display of Measurement Results43
Fig. 28 Display - Access to the Measurement Results43
Fig. 29 Display - Measurement Results43
Service Menu44
Fig. 30 Display - Enter to the Service Menu44
Tab. 7 Meanings of the Columns in the Table of Measurement Results44
Fig. 31 Display - Access to the Service Menu45
Fig. 32 Display - Service Menu Options45
Export Archive, Export Errors46
Fig. 33 Display - Service Menu46
Fig. 34 Display - Export Archive in Progress47
Tab. 8 Text File Format of the Archive Exported47
Clear Archive, Clear Archive of Error48
Tab. 9 the Meanings of Bits of the Contamination Measurement Bit Mask48
Tab. 10 the Meanings of Bits of the Contamination Measurement Bit Mask for the Given Detector48
Configuration Export49
Fig. 35 Display - Clear Archive49
Fig. 36 Display - Clear Error Archive49
Configuration Import50
Fig. 37 Display - Configuration Export50
Date and Time51
Fig. 38 Display - Configuration Import51
Fig. 39 Display - Date and Time Setup51
Ethernet Setup52
Detectors Status52
Fig. 40 Display - Network Connection Setup52
Fig. 41 Display - Detectors Status52
Detectors Response53
Tab. 11 the Meanings of Values in the Table with the Status of Detectors53
Reset54
Fig. 42 Detector Response54
Instrument Settings55
Setting the Measurement Parameters by Means of the VF-Setup Service Software55
Fig. 43 VF-Setup: Setting the Communication55
Setting the Measurement Parameters by Means of Web Interface56
Fig. 44 Web Interface Login Form56
Fig. 45 Web Interface - Menu57
Instrument Settings58
Fig. 46 Web Interface - Device Parameters58
Fig. 47 Web Interface - Device Parameters58
Tab. 12 Web Interface - Device Parameters59
Detectors Settings60
Fig. 48 Web Interface - Detectors Settings60
Tab. 13 Web Interface - Detectors Settings61
Maintenance and Care of the Instrument62
Daily Maintenance62
Quarterly Maintenance62
Annual and Multi-Annual Maintenance62
Protective Foils of Foot Detectors63
Fig. 49 Foil in a Cardboard Frame Measurement for Alpha Radiation63
Fig. 50 Optional Accessories - Foot Detector Protective Foil or Frame with a Protective Foil63
Cleaning the Dirt Tray for Hand Detectors64
Fig. 51 Orientation of Protective Foil on a Paper Reel64
Fig. 52 Protective Foil in a Frame on the Foot Detector (with Open Protective Grid)64
Fig. 53 Cleaning the Dirt Tray for Hand Detectors65
Checking the Switches for Foot Detector Grates66
Fig. 54 Foot Detectors Basic Maintenance66
Metrological Traceability67
Photomultiplier (PMT) Life68
Fig. 55 Photomultiplier68
Fig. 56 Typical Dependence of the Anode Current of the Photomultiplier over Time68
Troubleshooting69
Fig. 57 Display - Example of Failure Report69
Tab. 14 Failure Reports70
High Background Level71
Fig. 58 Display - High Background Level71
Possible Detector Contamination72
Fig. 59 Display - Detector Contamination72
Communication Failure73
Fig. 60 Display - Loss of Communication with a Detector73
Tab. 15 Detectors & Addresses73
Delivery Parts74
Standard Delivery Parts74
Accessories, Additional Equipment and Related Products Delivered Separately74
Consumable Material74
Tab. 16 Standard Delivery Parts74
Tab. 17 Accessories and Additional Equipment Delivered Separately74
Tab. 18 Consumable Material74
Warranty Conditions75
Annexes77
Annex A. Block Diagram of the HF Monitor77
Fig. 61 Block Diagram of the HF Monitor77
Annex B. Spare Parts for Authorized Service Organization78
Annex C. Minimum Settable Alarm Level Versus Background Count Rate80
Fig. 62 Background-Time Dependence of MDA80
Annex D. I/O Technology81
Fig. 63 Diagram of the I/O Connector81
Tab. 19 Connection of an I/O Connector for Technology81
Annex E. Configuration File82
Fig. 64 the "Config.xml" Sample Configuration File82
Annex F. Detector Status, Detector Supply, HV Sources83
Tab. 20 Global Status of the Detector83
Tab. 21 Status of the Detector´s Supply83
Tab. 22 Status of HV Source83
Annex G. Unpacking Instructions84
Annex H. Packing Instructions88
Notes94

VF HF-50 - Cleaning the Dirt Tray for Hand Detectors; Fig. 51 Orientation of Protective Foil on a Paper Reel; Fig. 52 Protective Foil in a Frame on the Foot Detector (with Open Protective Grid)

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