R137/2012-B-NL1-19.05
OIML Certificate
OIML Member State The Netherlands
Number R 137/2012-B-NL1-19.05
Project number 2179202
Page 1 of 3
Issuing authority
NMi Certin B.V.
Person responsible: C. Oosterman
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
Identificaiton of the certified type
Diaphragm gas meter
Type: Atmos IxxS / Atmos HP IxxA (xx is G1.6, G2.5, G4 or WG2.5)
Characteristics
See page 3
Issuing Authority
NMi Certin B.V., OIML Issuing Authority NL1
This document is issued under the provision that no liability is accepted and that the applicant shall indemnify third-party liability.
OIML Certificate
OIML Member State The Netherlands
Number R 137/2012-B-NL1-19.05 Project number 2179202 Page 2 of 3
This OIML Certificate is issued under scheme B
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 R 137/2012-B-NL1-19.05
Project number 2179202
Page 3 of 3
- 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-2179202-02 dated 3 June 2019 that includes 15 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/E1 |
| Accuracy class | 1,5 |
| Maximum pressure | Atmos IxxS:0,5 bar Atmos HP IxxA:1,5 bar |
| Ambient temperature range | -25-+55℃ |
| Gas temperature range | -25-+55℃ |
| Designed for | Condensing humidity |
| Orientation | Connection ports vertical |
Table 2 General characteristics of the family of instruments
| Meter size | G1,6 | G2,5 | G4 | WG2,5 |
| Minimum flow rate $Q_{\min}(m^{3}/h)$ | 0,016 | 0,025 | 0,04 | 0,016 |
| Transitional flow rate $Q_{t}(m^{3}/h)$ | 0,25 | 0,4 | 0,6 | 0,2 |
| Maximum flow rate $Q_{\max}(m^{3}/h)$ | 2,5 | 4 | 6 | 6 |
| Overload flow rate $Q_{r}(m^{3}/h)$ | 3 | 4,8 | 7,2 | 7,2 |
| Indicating range $(m^{3})$ | 99999 | 99999 | 99999 | 99999 |
| Verification scale interval $(m^{3})$ | 0,0002 | 0,0002 | 0,0002 | 0,0002 |