R137/2012-B-NL1-19.11
OIML Certificate
OIML Member State The Netherlands
Number R137/2012-B-NL1-19.11 Project number 2420669 Page 1 of 3
Issuing authority
NMi Certin B.V.
Person responsible: C. Oosterman
Applicant and Manufacturer
Pietro Fiorentini S.p.A. Via E. Fermi, 8/10 36057 - Arcugnano (VI) Italy
Identification of the certified type
A Rotary displacement gas meter Type: IM-RM
Characteristics
See page 2 and further
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
- 0
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
24 October 2019
This document is issued under the provision that no liability is accepted and that the applicant shall indemnify third-party liability.
NMi Certin B.V.
Thijsseweg 11
2629 JA Delft
The Netherlands
T +31 88 636 2332
The notification of NMi Certin B.V. as Issuing Authority can be verified at www.oiml.org
OIML Certificate
Number R137/2012-B-NL1-19.11 Project number 2420669 Page 2 of 3
The conformity was established by the results of tests and examinations provided in the associated report(s):
No. NMi-11200077-01 dated 5 October 2018 (identical copy) that includes 7 pages;
No. NMi-15200227-01 dated 22 December 2016 that includes 10 pages;
No. CVN-700313-02 dated 11 March 2014 that includes 27 pages;
No. NMi-16200656-01 dated 17 January 2018 that includes 20 pages;
No. NMi-16200656-02 dated 7 December 2018 that includes 19 pages.
No. NMi-2420669-01 dated 24 October 2019 that includes 10 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 | 1.0 |
| Maximum pressure | 20 bar |
| Ambient temperature range | -25℃/+55℃ |
| Gas temperature range | -25℃/+55℃ |
| Designed for | condensing humidity |
| Orientation | Horizontal/Vertical up/Vertical down(all orientations) |
| Flow direction | Uni-directional(indicated with arrow) |
OIML Certificate
OIML Member State The Netherlands
Number R137/2012-B-NL1-19.11
Project number 2420669
Page 3 of 3
Table 2 General characteristics of the family of instruments
| G-value | Qmax[m3/h] | minimumQmin[m3/h] | Qt[m3/h] | volumeV[dm3] | diameter[mm] | accuracyclass | maximumpmax[bar(g)] |
| G10 | 16 | 0,3 | 0,8 | 0,18 | 40[1] | 1,0 | 19 |
| G16 | 25 | 0,3 | 1,25 | 0,18 | 40[1] | 1,0 | 19 |
| G25 | 40 | 0,5 | 2 | 0,26 | 40[1] | 1,0 | 19 |
| G40 | 65 | 1,8 | 3,25 | 0,26 | 40[1] | 1,0 | 19 |
| G16 | 25 | 0,5 | 1,25 | 0,69 | 40or50 | 1,0 | 19 |
| G25 | 40 | 0,5 | 2 | 0,69 | 40or50 | 1,0 | 19 |
| G40 | 65 | 0,5 | 3,25 | 0,69 | 40or50 | 1,0 | 19 |
| G65 | 100 | 0,5 | 5 | 0,69 | 40or50 | 1,0 | 19 |
| G65 | 100 | 0,5 | 5 | 0,69 | 40or50 | 1,0[2] | 20 |
| G40 | 65 | 0,8 | 3,25 | 1,11 | 50or80 | 1,0 | 19 |
| G65 | 100 | 0,8 | 5 | 1,11 | 50or80 | 1,0 | 19 |
| G100 | 160 | 0,8 | 8 | 1,11 | 50or80 | 1,0 | 19 |
| G100 | 160 | 0,8 | 8 | 1,11 | 50or80 | 1,0[2] | 20 |
| G160 | 250 | 1,6 | 12,5 | 1,42 | 80 | 1,0 | 19 |
| G160 | 250 | 1,6 | 12,5 | 1,42 | 80 | 1,0[2] | 20 |
| G65 | 100 | 1,25 | 5 | 1,73 | 80 | 1,0 | 19 |
| G100 | 160 | 1,25 | 8 | 1,73 | 80 | 1,0 | 19 |
| G160 | 250 | 1,25 | 12,5 | 1,73 | 80 | 1,0 | 19 |
| G160 | 250 | 1,25 | 12,5 | 1,73 | 80 | 1,0[2] | 20 |
| G65 | 100 | 1,25 | 5 | 2,31 | 80or100 | 1,0 | 20 |
| G100 | 160 | 1,25 | 8 | 2,31 | 80or100 | 1,0 | 20 |
| G160 | 250 | 1,25 | 12,5 | 2,31 | 80or100 | 1,0[2] | 20 |
| G100 | 160 | 2 | 8 | 2,98 | 80or100 | 1,0 | 20 |
| G160 | 250 | 2 | 12,5 | 2,98 | 80or100 | 1,0 | 20 |
| G250 | 400 | 2 | 20 | 2,98 | 80or100 | 1,0[2] | 20 |
| G250 | 400 | 3,25 | 20 | 3,88 | 100or150 | 1,0 | 20 |
| G400 | 650 | 3,25 | 32,5 | 3,88 | 100or150 | 1,0[2] | 20 |
| G400 | 650 | 5 | 32,5 | 5,97 | 150 | 1,0 | 20 |
| G650 | 1000 | 5 | 50 | 5,97 | 150 | 1,0[2] | 20 |
[1] The meters are equipped with 1 $ \frac{1}{2} $ inch thread connections.
[2] The meters can also be delivered as class 1,5 with $ Q_{\mathrm{max}}/Q_{\mathrm{min}}\geq 150. $
Installation conditions:
For this rotary meter family no specific installation conditions are applicable.