R46/2012-A-NL1-23.04 Rev. 0
OIML Certificate
OIML Member State The Netherlands
Number R46/2012-A-NL1-23.04 revision 0
Project number 3630882
Page 1 of 4
Issuing authority
NMi Certin B.V. Person responsible: M.Ph.D. Schmidt
Applicant and Saudi Meters Company ltd.
Manufacturer 2nd Industrial Area
4719 Riyadh 14331-7141 Unit No.14
Kingdom of Saudi Arabia
Identification of the certified type
A measuring instrument Type: MA309MT3LSA or MA309MT4LSA
Characteristics
See page 2 and further.
This OIML Certificate is issued under scheme A.
This Certificate attests the conformity of the above identified type (represented by the sample(s) identified in the OIML Type Evaluation Report) with the requirements of the following Recommendation of the International Organization of Legal Metrology (OIML):
R 46-1/-2 (2012) "Active electrical energy meters"
Accuracy class
C for MA309MT4LSA
Accuracy class
D for MA309MT3LSA
This Certificate relates only to the metrological and technical characteristics of the type of measuring instrument covered by the relevant OIML International Recommendation identified above. This Certificate does not bestow any form of legal international approval.
Important note: Apart from the mention of the Certificate's reference number and the name of the OIML Member State in which the Certificate was issued, partial quotation of the Certificate and of the associated OIML Type Evaluation Report(s) is not permitted, although either may be reproduced in full.
Issuing Authority
NMi Certin B.V., OIML Issuing Authority NL1 8 September 2023
Certification Board
This document is issued under the provision that no liability is accepted and that the applicant shall indemnify third-party liability.
This document is digitally signed and sealed. The digital signature can be verified in the blue ribbon at the top of the electronic version of this certificate.
OIML Certificate
OIML Member State The Netherlands
Number R46/2012-A-NL1-23.04 revision 0 Project number 3630882 Page 2 of 4
- No. NMi-3630882-03 dated 8 September 2023 that includes 60 pages;
The conformity was established by the results of tests and examinations provided in the associated reports:
- No. NMi-3630882-04 dated 8 September 2023 that includes 12 pages.
Characteristics of the measuring instrument
In Table 1 the general characteristics of the measuring instrument are presented.
Table 1 General characteristics
| General characteristics MA309MT3LSA | |
| Meter type | Static |
| Connection mode(phase, wires, elements) | 3p,3w,2e(CT/VT connected) |
| Direction of energy flow/registers | Two-registers,bi-directional |
| Terminal arrangement | DIN43857 |
| Protective class | Category2 |
| Environmental application | |
| Ambient temperature range | -25℃to+70℃ |
| Humidity class | H2 |
| IP Rating/environmental use | IP54(indoor) |
| Meter quantities | |
| Nominal voltage($U_{nom}$) | 3x110V |
| Nominal frequency($f_{nom}$) | 60Hz |
| Maximum current($I_{max}$) | 6A |
| Basic current($I_{n}$) | 1A or1.5A |
| Transitional current($I_{tr}$) | 0.1A |
| Minimum current($I_{min}$) | 0.01A or0.015A |
| Starting current($I_{st}$) | 0.001A or0.0015A |
| Meter constant | 10.000imp./kWh |
| Product version | |
| Hardware version | KF13A430MainV1.1 |
| Power supply board(PS) | KF13A430PSV1.1 |
| Module version | CL101KG:KF01L064V3.4 |
OIML Certificate
OIML Member State The Netherlands
Number R46/2012-A-NL1-23.04 revision 0
Project number 3630882
Page 3 of 4
| Software identification | LR:4303 Checksum:7741D0E8 |
| General characteristics MA309MT4LSA | |
| Meter type | Static |
| Connection mode(phase, wires,elements) | 3p,4w,3e(CT connected) |
| Direction of energy flow/registers | Two-registers,bi-directional |
| Terminal arrangement | DIN43857 |
| Protective class | Category2 |
| Environmental application | |
| Ambient temperature range | -25℃to+70℃ |
| Humidity class | H2 |
| IP Rating/environmental use | IP54(indoor) |
| Meter quantities | |
| Nominal voltage($U_{nom}$) | 3x133/230V...3x230/400V |
| Nominal frequency($f_{nom}$) | 60Hz |
| Maximum current($I_{max}$) | 6A |
| Basic current($I_{n}$) | 1.5A |
| Transitional current($I_{tr}$) | 0.1A |
| Minimum current($I_{min}$) | 0.015A |
| Starting current($I_{st}$) | 0.0015A |
| Meter constant | 10.000imp./kWh |
| Product version | |
| Hardware version | KF13A427MainV1.1 |
| Power supply board(PS) | KF13A427PSV1.1 |
| Module version | CL101KG:KF01L064V3.4 |
| Software identification | LR:4202Checksum:E893748D |
OIML Certificate
OIML Member State The Netherlands
Number R46/2012-A-NL1-23.04 revision 0
Project number 3630882
Page 4 of 4
Certificate history:
| Revision | Date | Description of the modification |
| 0 | 8 September 2023 | Initial issue |