R137/2012-A-NL1-20.08
OIML Certificate
OIML Member State The Netherlands
Number R137/2012-A-NL1-20.08 Project number 2397973 Page 1 of 4
Issuing authority
NMi Certin B.V.
Person responsible: M. Boudewijns
Applicant
ZENNER Metering Technology (Shanghai) Ltd.
NO.6558, East Yinggang Road
Qingpu Industrial Zone, Shanghai
P.R. China
Manufacturer
ZENNER Metering Technology (Shanghai) Ltd.
NO.6558, East Yinggang Road
Qingpu Industrial Zone, Shanghai
P.R. China
ZENNER International GmbH & Co. KG Römerstadt 6 D 66121 Saarbrücken Germany
Zenner do Brasil Instrumentos de Mediacao Ltda. Rua Batrolomeu de Gusmao 2444-Novo Hamburgo-RS Brazil
ZENNER International GmbH & Co. KG Talstraße 2
09619 Mulda
Germany
ZENNER-COMA JVC.
Construction Machininery Company
125D Minh Khai
Q Hai Ba Trung Hanoi
Vietnam
ZENNER Aquamet India Pvt Ltd 39-B HSIDC, Sec-31 Faridabad (Haryana)-121003 INDIA
Zenner Performance Meters Inc. 1910E. Westward Ave Banning, CA 92220 United States of America
Issuing Authority
NMi Certin B.V., OIML Issuing Authority NL1 2 July 2020
Certification Board
Reproduction of the complete document only is permitted.
OIML Certificate
OIML Member State The Netherlands
Number R137/2012-A-NL1-20.08 Project number 2397973 Page 2 of 4
Identification of the certified type
Type: NFC card Prepaid smart gas meter; BKxxZENNER01 NFC (xx is G1.6/G2.5/G4/G6/WG2.5/WG6M)
Characteristics
See page 3 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 137-1 (2012) "Gas meters"
Accuracy class 1,5
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.
OIML Certificate
Number R137/2012-A-NL1-20.08 Project number 2397973 Page 3 of 4
- No. NMi-13200090-04 dated 17 November 2015 that includes 50 pages;
The conformity was established by the results of tests and examinations provided in the associated report(s):
No. NMi-1901517-02 dated 7 August 2018 that includes 34 pages;
The nature of the previous test data of the above mentioned OIML Basic type evaluation reports satisfies the requirements of the OIML-CS-PD-07 paragraph 6.2, where a positive recommendation is given by the OIML Review Committee on the acceptability of using this data to issue this OIML Certificate Number R137/2012-A-NL1-20.08 under Scheme A.
No. NMi-2403564-02 dated 18 November 2019 that includes 13 pages.
Characteristics of the measuring instrument
In Table 1 the general characteristics of the measuring instrument are presented. Table 2 gives an overview of the general characteristics of the family of instruments.
Table 1 General characteristics
| Destined for the measurement of | Gas volume | ||
| Environmental classes | M1/E2 | ||
| Accuracy class | 1,5 | ||
| Maximum pressure | Steel housing:0,5 bar Aluminium housing:1,5 bar | ||
| Ambient temperature range | -25-+55℃ | ||
| Gas temperature range | -25-+55℃ | ||
| Designed for | Condensing humidity | ||
| Orientation | Connection ports vertical | ||
| Power supply voltage | 3,6V DC battery | ||
| Software identification | Software version | Identification number(checksum) | Modem |
| 500001 | 7BF2 | GPRS | |
| 500002 | C421 | ||
| 510001 | B72C | NB-IoT | |
| 510002 | DE08 | ||
| 510003 | 2F85 | ||
OIML Certificate
Number R137/2012-A-NL1-20.08
Project number 2397973
Page 4 of 4
Table 2 General characteristics of the family of instruments
| Meter size | G1.6 | G2.5 | G4 | WG2.5 | G4 | G6M | WG6M |
| Minimum flow rate $Q_{\min}(m^{3}/h)$ | 0,016 | 0,025 | 0,04 | 0,016 | 0,04 | 0,06 | 0,04 |
| Transitional flow rate $Q_{t}(m^{3}/h)$ | 0,25 | 0,4 | 0,6 | 0,25 | 0,6 | 1 | 0,6 |
| Maximum flow rate $Q_{\max}(m^{3}/h)$ | 2,5 | 4 | 6 | 6 | 6 | 10 | 10 |
| Overload flow rate $Q_{r}(m^{3}/h)$ | 3 | 4,8 | 7,2 | 7,2 | 7,2 | 12 | 12 |
| Cyclic volume(dm3) | 1,2 | 2,0 | |||||
| Indicating range(m3) | 99999,9999 | 99999,9999 | |||||
| Verification scale interval(m3) | 0,0001 | 0,0001 | |||||