R46/2012-A-NL1-20.08
OIML Certificate
OIML Member State The Netherlands
Number R46/2012-A-NL1-20.08 Project number 2504721 Page 1 of 3
Issuing authority
NMi Certin B.V.
Person responsible: M. Boudewijns
Applicant and Manufacturer
Shenzhen Kaifa Technology (Chengdu) Co., Ltd.
NO.1218 Hezuo Rd., Hi-Tech Development Zone (West)
611730 Chengdu
P.R. China
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
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 22 December 2020
Certification Board
NMi Certin B.V.
Thijsseweg 11
2629 JA Delft
The Netherlands
T +31 88 636 2332
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-NL1-20.08 Project number 2504721 Page 2 of 3
- No. NMi-2504721-01 dated 22 December 2020 that includes 56 pages;
The conformity was established by the results of tests and examinations provided in the associated reports:
- No. NMi-2504721-03 dated 22 December 2020 that includes 11 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 | DIN |
| Protective class | Category2 |
| Environmental application | |
| Ambient temperature range | -25℃to+75℃ |
| Humidity class | H2 |
| IP Rating/environmental use | IP54 |
| Meter quantities | |
| Nominal voltage($U_{nom}$) | 3x110V |
| Nominal frequency($f_{nom}$) | 60Hz |
| Maximum current($I_{max}$) | 6A |
| Transitional current($I_{tr}$) | 0.075A |
| Minimum current($I_{min}$) | 0.015A |
| Starting current($I_{st}$) | 0.0015A |
| Meter constant | 10.000imp./kWh |
| Product version | |
| Hardware version | V4.1/V4.1 |
| Module version | NB-IoT moduleCL101—V1.0,CL101Y—V1.1,CL101K—V1.0,CL101G—V1.1,CL101Y1—V1.1,CL101K1—V1.0LTE moduleCL102—V2.2. |
| Software identification | LR:P1VT1314Checksum:98DC3052 |
OIML Certificate
OIML Member State The Netherlands
Number R46/2012-A-NL1-20.08
Project number 2504721
Page 3 of 3
| 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 | DIN |
| Protective class | Category2 |
| Environmental application | |
| Ambient temperature range | -25℃to+75℃ |
| Humidity class | H2 |
| IP Rating/environmental use | IP54 |
| Meter quantities | |
| Nominal voltage($U_{nom}$) | 3x133/230V...3x230/400V |
| Nominal frequency($f_{nom}$) | 60Hz |
| Maximum current($I_{max}$) | 6A |
| Transitional current($I_{tr}$) | 0.075A |
| Minimum current($I_{min}$) | 0.015A |
| Starting current($I_{st}$) | 0.0015A |
| Meter constant | 10.000imp./kWh |
| Product version | |
| Hardware version | V4.1/V4.1 |
| Module version | NB-IoT moduleCL101—V1.0,CL101Y—V1.1,CL101K—V1.0,CL101G—V1.1,CL101Y1—V1.1,CL101K1—V1.0LTE moduleCL102—V2.2,PRIME PLC--CP115A—V5.0 |
| Software identification | LR:P1CT1214Checksum:E70EB764 |