G/TBT/N/PAK/150  
9 February 2021  
(21-1034) Page: 1/2 
Committee on Technical Barriers to Trade  Original:  English  
 
  
NOTIFICATION  
The following notification is being circulated in accordance with Article 10.6  
 
1. Notifying Member:  PAKISTAN   
If applicable, name of local government involved (Article 3.2 and 7.2):   
2. Agency responsible:   
Pakistan Standards & Quality Control Authority  
WTO TBT National Enquiry Point  
PSQCA Complex, Gulistan -e-Johar  
Karachi, Pakistan  
Tel.: (+92) 21 99261878  
E-mail: tbt@psqca.com.pk   
Website: http://www.psqca.com.pk/  
Name and address (including telephone and fax numbers , email and website 
addresses, if available) of agency or authority designated to handle comments 
regarding the notification shall be indicated if different from above:   
3. Notified under Article 2.9.2 [X], 2.10.1 [   ], 5.6.2 [   ], 5.7.1 [   ], other :  
4. Products covered (HS or CCCN where applicable, otherwise national tariff 
heading. ICS numbers may be provided in addition, where applicable):  Medical 
Electrical Equipment - Dosimeters with Ionization Chambers As Used In Radiotherapy PS: 
IEC 60731 ICS No. 11.040.50; Radiographic equipment (ICS 11.040.50)  
5. Title, number of pages and language(s) of the notified document:  Medical 
Electrical Equi pment - Dosimeters with Ionization Chambers As Used In Radiotherapy PS: 
IEC 60731 ICS No. 11.040.50 (99 page(s), in English)  
6. Description of content:    
This Pakistan Standard was adopted by the authority of the Board of Directors of Pakistan 
Standards a nd Quality Control Authority (PSQCA), after the draft prepared by the 
Technical Committee for "Electromedical Equipment (ESTC – 14)" had been approved and 
endorsed  by  the  National  Standards  Committee  for  Electronics on 12 -07-2012.  
This Pakistan Standard PS: IEC 60731 -2002 was directly adopted in the year 2002 based 
on iec 60731 -1982: Medical electrical equipment - dosimeters with ionization chambers 
as used in radiotherapy".     Since  IEC  has  revised  their  standard  in 2011, hence it  
deemed necessary to revise this Pakistan Standard also on IEC basis  
This Standard is an adoption of IEC Publication 60731 -2011 "Medical electrical equipment 
- dosimeters with ionization chambers as used in radiotherapy". (1st Revision)  G/TBT/N/PAK/150  
 
- 2 - 
 
  7. Objective and r ationale, including the nature of urgent problems where 
applicable:  This International Standard specifies the performance requirements of 
RADIOTHERAPY DOSIMETERS, intended for the measurement of ABSORBED DOSE  TO 
WATER  or AIR KERMA  (and their  rates  and  spatial  distributions) 
in  PHOTON,  ELECTRON,  proton or heavy ion  RADIATION FIELDS as used in 
RADIOTHERAPY. The DOSE MONITORING SYSTEMS incorporated in RADIOTHERAPY 
treatment machines are not covered by this standard, neither are the re -entrant 
IONIZAT ION CHAMBERS used for BRACHYTHERAPY source calibration and constancy 
check devices. Quality and Safety requirements.  
8. Relevant documents:   
https://drive.google.com/file/d/1AylmLZnWAG20Yor0dM1ws72uFKTQp1yF/view?usp=sh
aring 
9. Proposed date of adoption:  90 days after circulation by the WTO Secretariat  
Proposed date of entry into force:  90 days after circulation by the WTO Secretariat  
10. Final date for comments:  60 days from notification  
11. Texts available from:  National enquiry point [X] or address, telephone and fax 
numbers and email and website addresses, if available , of other body:   
Pakistan Standards & Quality Control Authority  
WTO TBT National Enquiry Point  
PSQCA Complex, Gulistan -e-Johar  
Karachi, Pakistan  
Tel.: (+92) 21 99261878   
E-mail: tbt@psqca.com.pk   
Website: http://www.psqca.com.pk/  
 
https://drive.google.com/file/d/1A3Xrx3gwLmqdSecIZS -
1EPlFxmR74wCv/view?usp=sharing  
 
https://drive.google.com/file/d/1PR9_jOwpJmxbtEM_kedDUL8LSOpse2R8/view?usp=sh
aring