R46/2012-A-CN2-26.02
OIML CERTIFICATE
ISSUED UNDER SCHEME A
OIML Issuing Authority Name: National Institute of Metrology, China Address: No.18, Bei San Huan Dong Lu, Chaoyang Dist., Beijing, P. R. China Person responsible: Mr. Li Wentao
Applicant Name: EMSI TECHNOLOGIES HONG KONG LIMITED Address: UNIT 2A, 17/F GLENEALY TOWER NO.1 GLENEALY CENTRAL, HONG KONG, P.R.CHINA
Manufacturer Name: Microstar Electric Company Limited Address: 8 Sanhong Road, Nanjing, Jiangsu, P. R. China
Identification of the P2000-T Three Phase Four Wire Energy Meter certified type $ \textcircled{1} $ 3×57.7/100...220/380V 3×0.01-1(10)A 50Hz $ \textcircled{2} $ 3×57.7/100...277/480V 3×0.01-1(10)A 60Hz (Further characteristics on page 2)
This OIML 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):
OIML R46 - Edition 2012
For accuracy class: Class C (Class 0.5S)
This OIML Certificate relates only to metrological and technical characteristics of the type of measuring instrument covered by the relevant OIML Recommendation identified above.
This OIML 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 is 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.
OIML Issuing Authority:
Date:
National Institute of Metrology, China
09 February 2026
No.18, Bei San Huan Dong Lu,
Chaoyang Dist, Beijing,
100029, P.R.China
+86 10 64525646
OIML Issuing Authority
中国OIML证书认证中心
Li Wentao
Director
National Institute of Metrology, China
The conformity was established by the results of tests and examinations provided in the associated OIML type evaluation report:
No. TER-R46/2012-CN2-26.02 dated 05 February 2026 that includes 15 pages and the associated OIML test report:
No. SIMT2025F14-41-002 dated 12 December 2025 that includes 102 pages
OIML Certificate History
| Revision No. | Date | Description of the modification |
| 0 | 09 February 2026 | Initial issue |
Characteristics of the Instrument
| Meter type(electromechanical/static): | Static |
| Accuracy class: | Class C(Class 0.5S) |
| Nominal voltage, $U_{\mathrm{nom}}$: | 3×57.7/100...220/380V,3×57.7/100...277/480V |
| Nominal frequency,$f_{\mathrm{nom}}$: | 50Hz,60Hz |
| Maximum current,$I_{\mathrm{max}}$: | 10A |
| Transitional current,$I_{\mathrm{tr}}$: | 0.05A |
| Minimum current,$I_{\mathrm{min}}$: | 0.01A |
| Starting current,$I_{\mathrm{st}}$: | 0.001A |
| Connection mode(phases,wires,elements): | Current and voltage transformersThree phases four wires,three elements |
| Direction of energy flow/registers: | Two-register,bi-directional |
| Register multiplier: | 1 |
| Meter constant: | 10000imp/kWh |
| Specified clock frequencies | 32.768kHz |
| Indoor/Outdoor: | Indoor |
| IP Rating: | IP51 |
| Terminal arrangement(e.g.:BS,DIN): | DIN |
| Insulation protection class: | II |
| Lower specified temperature: | -25℃ |
| Upper specified temperature: | +70℃ |
| Humidity class: | H2 |
| Tilt/Mounting position: | Any position is allowed |
| Hardware version(s): | $\textcircled{1}$hv10134_B6-HT6033_7136S,$\textcircled{2}$hv10141_B6-HT6033_7136S |
| Software version(s): | $\textcircled{1}$Version:V1.9.036Checksum:FE08DA0F,$\textcircled{2}$Version:V1.9.036Checksum:413AB80A |
Remarks:
Communication interfaces: $ \textcircled{1} $1 optical port, 1 RS485 port