R137/2012-A-NL1-24.11 Rev. 0
OIML Certificate
OIML Member State The Netherlands
Number R137/2012-A-NL1-24.11 revision 0 Project number 3773424 Page 1 of 4
Issuing authority NMi Certin B.V. Person responsible: M.Ph.D. Schmidt
Applicant and Manufacturer
ZENNER Metering Technology (Shanghai) Ltd. No.800 Songda Road, Qingpu District, Shanghai P.R. China
Identification of the certified type
A diaphragm gas meter
A diaphragm gas meter
Manufacturers mark: ZENNER
Type: Atmos xxS (steel) / Atmos HP xxA (aluminium)
(XX is G6, G10, G16, G25, WG6, WG10, WG16,
WG25)
Characteristics See following page(s)
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.
This certificate and supporting reports comply with the requirements of OIML-CS-PD-07 clause 6.2.
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 November 2024
Certification Board
This document is issued under the provision that no liability is accepted and that the applicant shall indemnify third-party liability.
OIML Certificate
Number R137/2012-A-NL1-24.11 revision 0 Project number 3773424 Page 2 of 4
The conformity was established by the results of tests and examinations provided in the associated report(s):
No. NMi-13200090-04 dated 17 November 2015 that includes 50 pages;
No. NMi-1901275-02 dated 25 January 2018 that includes 25 pages;
No. NMi-1901275-04 dated 8 February 2018 that includes 25 pages;
No. NMi-3773424-02 dated 22 November 2024 that includes 15 pages.
Production locations
ZENNER International GmbH & Co. KG Heinrich-Barth-Straße 29 66115 Saarbrücken Germany
ZENNER International GmbH & Co. KG Talstraße 2
09619 Mulda
Germany
Zenner do Brasil Instrumentos de Mediacao Ltda. Rua Batrolomeu de Gusmao 2444-Novo Hamburgo-RS Brazil
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
OIML Certificate
OIML Member State The Netherlands
Number R137/2012-A-NL1-24.11 revision 0
Project number 3773424
Page 3 of 4
Characteristics of the measuring instrument
In Table 1 the general characteristics of the measuring instrument are presented.
In Table 2 the characteristics of the family of instruments are presented.
The construction of the measuring instrument is recorded in the Documentation folder no. T11271-5
Table 1 General characteristics
| Maximum pressure Atmos xxS | 0,5 bar |
| Maximum pressure Atmos HP xxA | 1,5 bar |
| Environmental classes | M1/E1 |
| Ambient temperature range | -25-+55℃;non condensing humidity |
| Gas temperature range | -25-+55℃ |
| Orientation | Connection ports vertical |
| Intended for the measurement of | Gas volume |
Table 2 General characteristics of the family of instruments
| Meter size | G6 | G10 | G16 | G25 |
| Minimum flow rate $Q_{\min}(m^{3}/h)$ | 0.06 | 0.1 | 0.16 | 0.25 |
| Transitional flow rate $Q_{t}(m^{3}/h)$ | 1 | 1.6 | 2.5 | 4 |
| Maximum flow rate $Q_{\max}(m^{3}/h)$ | 10 | 16 | 25 | 40 |
| Overload flow rate $Q_{r}(m^{3}/h)$ | 12 | 19.2 | 30 | 48 |
| Indicating range $(m^{3})$ | xxxx,xxx | xxxxxxx,xx | xxxxxxx,xx | xxxxxxx,xx |
| Verification scale interval $(m^{3})$ | 0,0002 | 0,002 | 0,002 | 0,002 |
| Meter size | WG6 | WG10 | WG16 | WG25 |
| Minimum flow rate $Q_{\min}(m^{3}/h)$ | 0.04 | 0.06 | 0.1 | 0.16 |
| Transitional flow rate $Q_{t}(m^{3}/h)$ | 1 | 1.6 | 2.5 | 4 |
| Maximum flow rate $Q_{\max}(m^{3}/h)$ | 10 | 16 | 25 | 40 |
| Overload flow rate $Q_{r}(m^{3}/h)$ | 12 | 19.2 | 30 | 48 |
| Indicating range $(m^{3})$ | xxxx,xxx | xxxxxxx,xx | xxxxxxx,xx | xxxxxxx,xx |
| Verification scale interval $(m^{3})$ | 0,0002 | 0,002 | 0,002 | 0,002 |
OIML Member State The Netherlands
OIML Certificate
Number R137/2012-A-NL1-24.11 revision 0 Project number 3773424
Page 4 of 4
Certificate history:
| Revision | Date | Description of the modification |
| 0 | 22 November 2024 | Initial issue |