R117/2019-A-NL1-24.03 Rev. 0
OIML Certificate
OIML Member State The Netherlands
Number R117/2019-A-NL1-24.03 revision 0 Project number 2502536 Page 1 of 5
Issuing authority Person responsible:
NMi Certin B.V. M.Ph.D. Schmidt
Applicant and Manufacturer
CZAR Metric System Private Limited Plot No. A-451 MIDC Industrial Area, Mahape Navi Mumbai 400710 Maharashtra, India
Identification of the certified type
An LNG dispenser for liquified Natural gas Type: CZN-******[1]
Characteristics See page 2 and further
This OIML Certificate is issued under scheme A.
This Certificate attests the conformity of the above identified type (represented by the samples identified in the OIML Type Evaluation Report) with the requirements of the following Recommendation of the International Organization of Legal Metrology (OIML):
R 117:2019 "Dynamic measuring systems for liquids other than water"
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 Reports is not permitted, although either may be reproduced in full.
[1] Where " * " can be a number or a letter for representing different configurations of the dispenser.
Issuing Authority
NMi Certin B.V., OIML Issuing Authority NL1 04 March 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
OIML Member State The Netherlands
Number R117/2019-A-NL1-24.03 revision 0 Project number 2502536 Page 2 of 5
The conformity was established by the results of tests and examinations provided in the associated reports:
- No. NMi-2502536-05 dated 04 March 2024 that includes 69 pages.
LNG Dispenser CZN-****** series
Characteristics of the LNG dispenser
In Table 1 the general characteristics of the LNG dispenser are presented. The construction of the LNG dispenser is recorded in the Documentation folder no. LF2502536-1.
Table 1 General characteristics of LNG dispenser
| Manufacturer's trademark | CZAR Metric System Private Limited |
| Type designation | CZN-***** |
| Accuracy class | 1,5 |
| Instrument Type | LNG dispenser |
| Approved quantity | Mass |
| Essential parts of the dispenser | Electronic calculating and indicating device - Make CZAR Metric System Private Limited type CZ series Measurement sensor - Make Endress + Hauser Flowtec AG type Promass F or Promass Q Measurement transmitter - Make Endress + Hauser Flowtec AG type Promass 300 or Promass500 |
| Approved for liquid products | Liquified Natural Gas (LNG) |
| MMQ | 5kg |
| Maximum number of nozzles | 2 |
| Maximum number of main indicating device | 2 |
| Maximum number of nozzles connected to each indicating device | 1 |
| Environment classes | E1/H3/M2 |
| Flow characteristics | See OIML certificate of the essential part - measurement sensor mentioned in table 2 |
| Ambient temperature range | -25℃...+55℃ |
OIML Certificate
OIML Member State The Netherlands
Number R117/2019-A-NL1-24.03 revision 0
Project number 2502536
Page 3 of 5
| Liquid temperature range | See OIML certificate of the essential part - measurement sensor mentioned in table 2 |
| Maximum pressure | See OIML certificate of the essential part - measurement sensor in table 2 |
| Electrical power of Dispenser | 230VAC/50Hz |
| Identification of software | See OIML certificate of the applicable essential parts mentioned in table 2 |
| Measurement sensor in the vapour return line | Not applicable |
Each CZN-******* dispenser consists at least of:
One measurement sensor (Coriolis meter (Promass F or Promass Q))
One measurement transmitter (Promass 300 or Promass500)
One electronic calculating/indicating device (CZ series calculator).
Optionally, a printer may be connected to the dispenser as follows:
Printer mounted on the dispenser door, powered and communication through the dispenser;
Printer mounted on the side of the dispenser, powered and communication through the dispenser;
Remote printer connected via the POS communication cable.
The calculating/indicating device can have a maximum of 2 main displays, allowing it to configure and control 2 nozzles (meters), out of which 2 nozzles (meters) can be simultaneously operated. A maximum of one nozzle (meter) can be connected to each calculating/indicating device's main display.
Approved input - Mass meter communication cable via RS-485.
Approved output - POS communication cable via RS-485.
All communication cables (POS and Pulser) should be shielded cables.
Table 2 Overview of Essential parts of the measuring instrument
| Part | Producer | Type | OIML certificate | Remarks |
| Electronic calculating and indicating device | CZAR Metric System Private Limited | CZ series | R117-2019-A-NL1-23.04 | - |
| Measurement sensor | Endress+Hauser Flowtec AG | Promass F or Promass Q | R117/2019-A-NL1-22.10 | - |
| Measurement transmitter | Endress+Hauser Flowtec AG | Promass 300 or Promass500 | R117/2019-A-NL1-22.10 | - |
OIML Certificate
OIML Member State The Netherlands
Number R117/2019-A-NL1-24.03 revision 0 Project number 2502536 Page 4 of 5
The conformity of the following parts was established by the results of tests and examinations provided in the associated reports:
Part:
Calculating/indicating device
Producer:
CZAR Metric System Private Limited
Type:
Documentation folder:
CZ Series
DF2502536-2
Reports:
No. NMi-2502536-01 dated 27 October 2021 that includes 119 pages;
No. NMi-2502536-03 dated 4 May 2023 that includes 34 pages.
Table 3 General characteristics of the calculating/indicating device type CZ series
| Maximum volume indication | 6 digits(4 integers and 2 decimals) |
| Maximum unit price | 5 digits(3 integers and 2 decimals) |
| Maximum price to pay | 7 digits(5 integers and 2 decimals) |
| Environmental classes | E1/M2/H3(condensing humidity) |
| Ambient temperature range | -25℃/+55℃ |
| Power supply | 230VAC50Hz |
| Maximum number of nozzles | 4 |
| Maximum number of main indicating device | 4 |
| Maximum number of nozzles connected to each indicating device | 1 |
| Approved input | Mass meter communication cable via RS-485(shielded) |
| Approved output | POS communication cable via RS-485(shielded) |
| Mass Meter communication | RS-485 communication protocol |
Table 4 Software identification of the calculating/indicating device type CZ series
| Board | Firmware version | Hash code |
| CPU Board | LNG CZ-CPU_V2.2 | ad345a06221995f83b3faf6289c16a9996cea16ee7f5e05816943a17daf23473 |
| Main Display cum CPU Board | LNG CZ-DIS_V2.2 | 23c41eaa883465355ab629e56facc82cec186d7f6ae10ebbd8aada746cb52d99 |
OIML Certificate
OIML Member State The Netherlands
Number R117/2019-A-NL1-24.03 revision 0 Project number 2502536 Page 5 of 5
Software version verification of the calculating/indicating device type CZ series The software versions and checksums can be displayed on the LCD display by following the below procedure:
On the alphanumeric keypad on the dispenser press SETUP $ \rightarrow $ P2 $ \rightarrow $ enter unique password by a user with sufficient rights $ \rightarrow $ ENTER this puts the dispenser in maintenance mode. Then press 5 $ \rightarrow $ 1 $ \rightarrow $ 1 $ \rightarrow $ 1 for CPU board; or 5 $ \rightarrow $ 1 $ \rightarrow $ 1 $ \rightarrow $ 2 for Main Display board.
Table 5 Legally relevant parameter list of the calculating/indicating device type CZ series
| Process code | Process code name | Value / range |
| 122 | Unit Rate | 5 digits (XXX.XX) |
| 212 | Product Grade | 3 Characters (XXX) |
| 243 | No flow No Fuel | 30 (sec) |
| 51 | Log | Transaction, Calibration Change, Unit Rate Change, Density Change, Error |
| 311 | View Last Cal | View K Factor |
| 214 | Date & Time | dd:mm:yy,hh:mm:ss |
| 511 | PCBA Soft Detail | View board details |
| 52 | Model Info | View model details |
| 521 | Serial Number | View serial number of Dispenser |
Production location
The LNG dispenser is produced at one of the following production locations:
CZAR Metric System Private Limited, Plot No. A-451, Central Road, MIDC Industrial Area, Mahape Pin code 400710, Maharashtra India.
CZAR Metric System Private Limited, Plot No.C-541, MIDC Industrial Area, Pawne,
Navi Mumbai 400705, Maharashtra, India.
Certificate history:
This revision replaces the previous version.
| Revision | Date | Description of the modification |
| Initial | 04 March 2024 | - |