R139/2018-A-NL1-25.03 Rev. 0
OIML Certificate
OIML Member State The Netherlands
Number R139/2018-A-NL1-25.03 revision 0
Project number 3963582
Page 1 of 5
Issuing authority NMi Certin B.V. Person responsible: M.Ph.D. Schmidt
Applicant and Cavendish Hydrogen A/S Manufacturer Vejlevej 5 7400 Herning Denmark
Identification of the certified type
Manufacturers mark: Type:
Cavendish Hydrogen A/S MM-001; DI006, DI008; DI-ABB; DIXYZ
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 139:2018 "Compressed gaseous fuel measuring systems for vehicles"
Accuracy class 2
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 13 October 2025
Certification Board
This document is issued under the provision that no liability is accepted and that the applicant shall indemnify third-party liability.
This document is digitally signed and sealed. The digital signature can be verified in the blue ribbon at the top of the electronic version of this certificate.
OIML Certificate
Number R139/2018-A-NL1-25.03 revision 0 Project number 3963582 Page 2 of 5
The conformity was established by the results of tests and examinations provided in the associated report(s):
NMi-3963582-01 dated 13 October 2025 that includes 38 pages;
NMi-3963582-02 dated 13 October 2025 that includes 34 pages.
NMi-3882700-01 dated 13 October 2025 that includes 37 pages.
In Table 1 the general characteristics of the measuring instrument are presented.
Characteristics of the measuring instrument
The construction of the measuring instrument is recorded in the documentation folder number T8981-3.
Table 1 General characteristics
| Accuracy class | 2 |
| Minimum-maximum flow rate | 0,133-4kg/min |
| Minimum measured quantity | 1kg |
| Maximum pressure | H35:438 bar(g) H70:875 bar(g) |
| Environmental classes | M1/E1 |
| Ambient temperature range | -25℃/+55℃;condensing humidity |
| Product temperature range | -40℃/0℃ |
| Intended for the measurement of | Hydrogen(H2) |
| Power supply voltage | 230V AC;50/60Hz |
Each CG dispenser consists at least of one measuring system made up of the following essential parts: A flow meter (measurement sensor and transducer); and
- A calculating/indicating device.
There are five different type designations:
MM-001
General type designation for the metrological module used when designing and constructing the dispenser.
DI006
A single 700 bar dispenser with one measuring system and one hose, with a maximum refuelling flow rate of 60 g/s.
- DI008
A single 350 bar dispenser with one measuring system and one hose, with a maximum refuelling flow rate of 60 g/s.
The DI008 can be operated in LDV (Light Duty Vehicle) or HDV (Heavy Duty Vehicle) mode, the mode is selected via push buttons on the dispenser. The difference between the LDV and HDV mode is the refuelling protocol used for refuelling.
OIML Certificate
Number R139/2018-A-NL1-25.03 revision 0
Project number 3963582
Page 3 of 5
DI-ABB
A single 350 bar dispenser with one measuring system and one hose, metrologically identical to DI008 when operating in HDV mode.
DIXYZ *
A Multiple-Dispenser that can be constructed by combining up to 2 or 3 different independent measuring systems (DI006, DI008 and/or DI-ABB).
*) X, Y, Z denotes the actual measuring systems which make up the Multiple-Dispenser. The following options are possible: 0: no dispenser, 6: DI006, 8: DI008 or B: DI-ABB (e.g. DI068, is a multiple-dispenser consisting of a DI006 and DI008 measuring system).
The CG dispenser automatically depressurizes the entire section from the filling valve up to and including the hose via the purge/vent valve for safety reasons. Delivery is only allowed when the purge/vent valve is fully closed.
In Table 2 the overview of the essential parts of the measuring instrument are presented.
Table 2 Overview parts of the measuring instrument
| Part | Producer | Type | OIML Reports | Remarks |
| Measurement sensor | Heinrichs Messtechnik GmbH | TMU-W004 | See Table 3 | To be used with [UMC4-RM] transducer. |
| Measurement transducer | Heinrichs Messtechnik GmbH | UMC4-RM | See Table 4 | To be used with [TMU-W004] sensor. |
| Calculating / indicating device | Gilbarco GmbH | Sandpiper-Apollo | See Table 5 | - |
OIML Certificate
OIML Member State The Netherlands
Number R139/2018-A-NL1-25.03 revision 0
Project number 3963582
Page 4 of 5
Table 3 General characteristics of the measurement sensor type TMU-W004
| Producer | Heinrichs Messtechnik GmbH |
| Type | TMU-W004 |
| Documentation folder | TC9013-1 |
| Reports | NMi-3963582-02 dated 13 October 2025 that includes 34 pages |
| Accuracy class | 2,0 |
| Flow rate range [kg/min] | 0.133-4kg/min |
| MMQ | 1kg |
| Maximum pressure | 1050 bar |
| Environmental classes | M2/E2 |
| Ambient temperature range | -40℃/+55℃ |
| Product temperature range | -40℃/+55℃ |
| Intended for the measurement of | Hydrogen(H2) |
Table 4 General characteristics of the measurement transducer type UMC4
| Producer | Heinrichs Messtechnik GmbH | ||
| Type | UMC4 | ||
| Documentation folder | TC11764-1 | ||
| Reports | NMi-3963582-02 dated 13 October 2025 that includes 34 pages | ||
| Accuracy class | 2,0 | ||
| Environmental classes | M1/E2 | ||
| Ambient temperature range | -25℃/+55℃-40℃/+55℃in case the measurement results are read and/or recorded with a connected approved instrument and via an approved output | ||
| Power supply voltage | 19-36VDC | ||
| Software identification | Software versions | CRC Checksum | Remarks |
| 5.24 | 031E | - | |
| 5.241 | D2D5 | - | |
| 5.245 | 5C09 | - | |
OIML Certificate
OIML Member State The Netherlands
Number R139/2018-A-NL1-25.03 revision 0
Project number 3963582
Page 5 of 5
Table 5 General characteristics of the calculating/indicating device type Apollo or Sandpiper-Apollo
| Producer | Gilbarco GmbH | ||
| Type | Apollo or Sandpiper-Apollo | ||
| Documentation folder | TC8938-4 | ||
| Reports | NMi-3882700-01 dated 13 October 2025 that includes 37 pages | ||
| Accuracy class | 2 | ||
| Maximum mass indication | 6 digits | ||
| Maximum unit price | 4 digits | ||
| Maximum price to pay | 6 digits | ||
| Environmental classes | M1/E1 | ||
| Ambient temperature range | -25℃/+55℃-40℃/+55℃ with heater | ||
| Power supply voltage | 230VAC50/60Hz | ||
| Software identification | Software versions | CRC Checksum | Remarks |
| A30203 | 9C99 | - | |
| A30206 | 231E | - | |
| A30209 | F7E9 | - | |
| A30212 | 0EB4 | - | |
| A30215 | 55E4 | - | |
| A30216 | 2501 | - | |
| A30220 | 81A4 | - | |
| A32221 | 4541 | Apollo 2022 Calculator | |
| A32386 | 957D | - | |
Certificate history:
| Revision | Date | Description of the modification |
| 0 | 13-10-2025 | Initial issue |