Ptw freiburgs production area, which in the very beginning was located in professor hammers garden shed, covers a total area of 7000 m 2 today. A dedicated eyeline custom made water phantom was used for dosimetry measurements. The resolution for each electrometer is not the same. The ptw31010 semiflex ionization chamber was used as the intermediate detector for the daisy chain correction factor determination. The simple and clear user prompting with help texts and a navigation button make operating instructions almost superfluous. An electrometer is an electrical instrument for measuring electric charge or electrical potential difference. Kfj announces the acquisition of the first unidos webline in austria sn 11. A chamber library makes it possible to store calibration data. Therefore, the monitoring chamber represents a transfer normal, which is calibrated periodically against a 30 cm 3 pmma cylinder stem ionization chamber of type ptw 23361 and a 6. Driver for ptw unidos webline universal dosemeter by joshua38 on.
A novel iterative method to achieve the rqr beam quality requirements described by iec 61267 is presented. The bias voltage was set according to the manufacturer recommendations for each specific detector. The resolution for farmer type of ne 25701b is 5000 fc, while webline type of t 10022 electrometer is 10 fc introduction manual, 1986. This unique dosemeter offers high quality, reliability and an excellent adaptation to the measuring tasks. Unidos universal dosemeter high performance secondary standard and reference class dosemeter electrometer for universal use ptwfreiburg lorracher stra. This document is a supplement to the ptw multidos user manual and is valid only in conjunction with that manual.
Try using a shorter usb cable to solve the problem. The ethernet interface based on the tcpip protocol makes it possible to integrate the unidos webline in a lan for remote access and email. Designed for police and military training purposes, the systema ptw is the utimate rifle for airsoft lovers, and a demonstration of systemas high level of commitment in. Dosimetric characterization of a silicon diode detector in. Nov 20, 2017 this paper reports the process and findings in establishing the diagnostic beam qualities for the calibration of diagnostic dose meters in the australian primary standard dosimetry laboratory at the australian radiation protection and nuclear safety agency, arpansa. None of the equipment posted for sale on is owned by medwow, should you have any questions regarding a specific item, please direct them to the appropriate seller by making use of the available communication channels on the items page. Unidos e measures current and charge, or dose and dose rate with a maximum resolution of 1 fa or 10 fc, features long term stability of 0. Developing automated for therapy dosimetry systems using labview software.
High quality reference class dosimeter for radiation therapy, diagnostic radiology and health physics. In this study, the doseresponse of nine types of detectors was investigated. Switch on the ptw unidos webline using the power switch on the back side c. Ptw manual page 7 1 purpose the purpose of this permit to work manual, the manual, is to provide structure and process on the permit to work ptw system. Our new reference class dosemeter has some interesting features, some of them are shown below click all images to enlarge. Instrument control gpib, serial, visa, ivi ni community. Air density is corrected by keying in air pressure and temperature. Its large, user configurable colour tft display guarantees visibility from distances and from wide angles. The monitoring ionization chamber is read out by a unidos webline t10021 electrometer and the collected charge is used by the operating software for exposure control. Its large, user configurable tft display guarantees visibility from wide angles. The etched crosshairs indicating the phantom centre were aligned to the linaccbct isocentre using the lightfield crosshair and the laser system. Developing of an automation for therapy dosimetry systems.
Unidos webline recording equipment pdf manual download. Ion chambers and solidstate detectors can be connected. Manufacturer specifications diados basic device, ptwfreiburg. The device includes automatic leakage compensation and an rs232 interface. Suport fizica medicala medical physics center iasi. Integrated network features for radiation therapy, diagnostic radiology and. Series 93 116 din microprocessorbased autotuning control 06000000 rev e made in the u. Ptw freiburg physikalisch technische werkstatten dr. Developing of an automation for therapy dosimetry systems by. Pdf automation of radiation dosimetry using ptw dosemeter. Ptw ion chambers and solidstate detectors can be connected to the unidos e electrometer.
Tusa bcj buoyancy compensator manual tusa bcj buoyancy compensator manual bc0501 tusa a. Calibration of a small volume ionization chmaber for co gamma. Chamber data are stored in a comprehensive chamber library. The high voltage between the ion chamber electrodes is checked automatically. Model t10010 unidos e fieldclass electrometer dosimeter. A active purge assist manual tusa sav7 and sav7 evo manual tusa sav7 evo2 manual released 2015 tusa sav7 evo3 manual released 2018 tusa fk900 series knife disassembly tusa tul600 led primary light manual tusa tul400 led. The purpose of this work is detecting possible differences between local qa findings and those of an audit, using the same.
Modern electrometers based on vacuum tube or solidstate technology can be used to make voltage and charge. The ethernet interface based on the tcpip protocol allows the user to integrate the unidos webline in a lan for remote access and email capability. For all point measurements in water, a reference class ptw unidos webline ptw, freiburg, germany electrometer was used throughout the study. The unidos e by ptw is a user friendly, lightweight and compact electrometer dosemeter mainly used in routine dosimetry for radiation therapy. A ptw unidoswebline electrometer was used for all charge and current measurements with ion chambers and diode.
Establishing iaea trs457 diagnostic xray beam qualities at. Service manual service manual webline unidos 200606 sesa d776. Unidos webline universal dosemeter, bnt connection radiation. Manualslib has more than 16 ptw manuals checkout popular ptw categories measuring instruments manuals. Airwalled ionization chambers are often used for dose determination in reference conditions, where the air kerma can be measured directly. Output correction factors for small static fields in. Unidos e features both mains and battery operation.
There are many different types, ranging from historical handmade mechanical instruments to highprecision electronic devices. High quality standard and reference class dosimeter. Nov 27, 2019 the bb configuration chosen in the validation for comparison with the ptw pinpoint ic was 20 mm. Download service manual of keysight n6705 measuring instruments for free or view it online on. Manufacturer specifications diados basic device, ptw.
Control the access to plant and equipment minimise the risk of injury to personnel minimise the risk of damage to plant. The reading instrument employed was an electrometer unidos webline ptwfriburg, germany. Table of contents con t 2 systema professional challenge kit assembly manual. Automation of radiation dosimetry using ptw dosemeter and. Output correction factors were experimentally determined on two linacs, elekta versa hd and varian truebeam for 6 and 10 mv beams with and without flattening filter for nine square fields ranging from 0. By using this reference standard dosimetry system, working standard dosimetry system which includes iba dose1 and farmer type ionization chamber is calibrated. Measurement instructions ncs dosimetry audit v20100226.
Calibration of a small volume ionization chmaber for co. A novel iterative method to achieve the rqr beam quality requirements described. Multidos rs232 interface for your safety 1 for your safety. Local implementation of planspecific quality assurance qa methods for intensitymodulated radiotherapy imrt and volumetric modulated arc therapy vmat treatment plans may vary because of dissimilarities in procedures, equipment and software. Integrated network features for radiation therapy, diagnostic radiology and health physics. Ptw employs a staff of more than 230 all over the world. We have 2 ptw unidos webline manuals available for free pdf download. User manual, service manual ptw unidos webline user manual 32 pages. Preparation of the electrometer ptw unidos webline 21. Set up network communication for ptw detector arrays verisoft 4.
Ptw unidose webline radiation products design, inc. Automation of radiation dosimetry using ptw dosemeter and labview tm. Pediatric cone beam ct on varian halcyon and truebeam. Modern electrometers based on vacuum tube or solidstate technology can be used to make voltage and charge measurements with very low. Related downloads brochure precision dosemeters 3 mb catalog radiation medicine catalog. Unidos webline is a highprecision, secondary standard reference class dosemeter combined with modern network features. Display the on site supervisors copy of this permit, any applicable drawings and permit certificates at the work site permit holder for work at site area location company. The company, which scores steady growth, is the recognized market leader in dosimetry today. Instruction manuals and software user interfaces are written in english. Unidos webline universal dosemeter, bnt connection.
Unidos webline features an easy to use menu prompting operation with help texts. Its big, userconfigurable tft display guaranties visibility from wide angles. This paper reports the process and findings in establishing the diagnostic beam qualities for the calibration of diagnostic dose meters in the australian primary standard dosimetry laboratory at the australian radiation protection and nuclear safety agency, arpansa. A novel method for the determination of field output. Realtime temperature and pressure corrections were applied to the ptw unidos webline electrometer. Designed for police and military training purposes, the systema ptw is the utimate rifle for airsoft lovers, and a demonstration of systemas high level of.
Global logistics manual last revision september 12, 2012 2 table of contents subject page 1. Establishing iaea trs457 diagnostic xray beam qualities. The lightweight and compact unidos e is an easy to use dosemeter, mainly used for daily routine dosimetry in radiation therapy. There are sometimes connection problems with certain usb cables or ports. The 60co gamma beam from an alcyon teletherapy unit which used as a radiation source for. View and download ptw unidos webline user manual online. Unidoswebline features an easy to use menu prompting operation with help. After downloading the free vnc software from the ptw website and assigning an ip adress to the device, the unidoswebline can be remote. A referenceclass unidos webline electrometer ptw freiburg, freiburg, germany was used to provide the polarizing voltage and collect the charge m lac produced in the lac.
It can only be used together with electrometers that have an input for external hvpower supplies like the unidos webline or recent series of the mp3 tandem our older tandem has been retrofitted with the hv input connector by ptw. The model t16036 hvsupply is necessary to operate the microlion chamber. Pdf developing automated for therapy dosimetry systems. Unidos webline is a highprecision, secondary standard reference class dosemeter combined with modern network features this unique dosemeter offers high quality, reliability and an excellent adaptation to the measuring tasks. Unidos user manual and is valid only in description ptw id no. Manufacturer specifications diados basic device, ptwfreiburg please note. At least three measurements were taken for each specific setup unless otherwise specified. Order designation the safety statements appearing in the indi desiccator cartridge l7004 cated user manual are applicable and must be. Its large, userconfigurable tft display guarantees visibility from wide angles. The ethernet interface based on the tcpip protocol makes it possible to integrate the unidos webline in a lan for remote access and email capability. Unidos is well known and accepted worldwide as the dosemeter of choice with best. Ptwfreiburg lrracher strae 7 79115 freiburg, germany. Validation of a monte carlo simulation for microbeam. Manufacturer specifications diados basic device, ptw freiburg please note.