G/TBT/N/TZA/120  
 
14 December 2017  
(17-6938) 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: TANZANIA   
If applicable, name of local government involved (Article 3.2  and 7.2):   
2. Agency responsible:  
Tanzania Bureau of Standards  
MOROGORO/Sam Nujoma Road  
Ubungo P O BOX 9524  
Tel:+255 222450206  
Email:  info@tbs.go.tz , www.tbs.go.tz  
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): Electricity 
supply systems (ICS 91.140.50).  
5. Title, number of pages and language(s) of the notified document: Mini-Grid 
Systems – Part 8: Electricity metering minimum accuracy and environmental requirements 
(9 page(s), in English)   
6. Description of content: This standard specifies the minimum level  of functionality 
requirements for three phase or single phase, total current, static kilowatt -hour (kWh) 
meters to be installed in distribution networks of mini -grid systems.  
The provisions of this standard apply to:  
a) Three phase meters intended to meas ure 3 phase 4 wire, 230/400V, 50Hz service 
and to single phase meters intended to measure 1 phase 2 wire, 230V, 50 Hz 
service.  
b) Requirements for accuracy, testing, as well as electromagnetic compatibility, and 
surge withstand capability requirements of d evices used as electricity metering for 
three phase and single phase service.  
7. Objective and rationale, including the nature of urgent problems where 
applicable: Protection of the environment; Quality requirements  G/TBT/N/TZA/120  
 
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  8. Relevant documents:   
 Tanzania Government Gazette  
 TZS 629: 2001 (1st Ed) Class 0.5, 1 and 2 alternating current watt -hour meter – 
Specification  
 IEC 62052 -11: Electricity metering equipment (AC) -General requirements, tests 
and test conditions – Part 11: Metering equipment  
 IEC 62053 -21: Electricity metering equipment (a.c.) - Static meters for active 
energy (classes 1 and 2)  
 IEC 62053 -23: Electricity metering equipment (a.c.) - Static meters for reactive 
energy (classes 2 and 3)  
 IEC 62058 -11: Electricity metering equipment (AC) - Accept ance inspection – 
Part 11: General acceptance inspection methods  
 IEC 62058 -31: Electricity metering equipment (AC) - Acceptance inspection – 
Part 31 Particular requirements for static meters for active energy (classes 0,2 S, 
0,5 S, 1 and 2)  
 IEC-60664 -1: In sulation coordination within low voltage system including 
clearances and creepage distance for equipment  
 IEC-60068 -2-1: Environmental Testing -Part 2 -1: Tests -Test A: Cold  
 IEC-60068 -2-2: Environmental Testing -Part 2 -2: Tests -Test B: Dry heat  
 IEC-60529: Degr ee of Protection  
 IEC 61000: Electromagnetic compatibility (EMC) Part - 2-2, 4-2, Part -4-3, 4-4, 4-5, 
4- 6, 4-8, 4-11, 4-12. 
 IEC-60664: Insulation coordination within low voltage system including clearance 
and creepage distance for equipment  
 EN 50470 -3: Elec tricity metering equipment static meters for active energy, 
Classes A, B and C  
9. Proposed date of adoption:  March 2018  
Proposed date of entry into force:  Upon declaration as a mandatory by the Minister for 
Industry, Trade and Investment   
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:   
Tanzania Bureau of Sta ndards  
MOROGORO/Sam Nujoma  Road 
Ubungo P O BOX 9524  
Tel:+255 222450206   
Email:  info@tbs.go.tz , www.tbs.go.tz  
https://members.wto.org/crnattachments/2017/TBT/TZA/17_5510_00_e.pdf