R117/2019-A-NL1-24.07 Rev. 1
OIML Certificate
OIML Member State The Netherlands
Number R117/2019-A-NL1-24.07 revision 1
Project number 3927432
Page 1 of 4
Issuing authority NMi Certin B.V. Person responsible: M.Ph.D. Schmidt
Applicant and Micro Motion, Inc.
Manufacturer 7070 Winchester Circle
Boulder, Colorado 80301
United States of America
Identification of the certified type A measurement device (ultrasonic sensor with belonging electronics) intended to be used as a part of an interruptible or non- interruptible dynamic measuring system for liquids other than water.
Manufacturer's mark: Rosemount Type: Model 3814 and 3818
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 117-1:2019 "Dynamic measuring systems for liquids other than water"
Accuracy class 0,3
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.
Issuing Authority
NMi Certin B.V., OIML Issuing Authority NL1 10 March 2025
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 R117/2019-A-NL1-24.07 revision 1 Project number 3927432 Page 2 of 4
The conformity was established by the results of tests and examinations provided in the associated reports:
Characteristics of the measuring instrument
- No. NMi-3831466-01 dated 8 November 2024 that includes 55 pages.
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. TC8224-5.
Table 1 General characteristics
| Number of sound paths | 4 |
| Sound frequency | 430kHz-1,0MHz |
| Path angle | 60° |
| Minimum-maximum flow rate | See table 2;Bi-directional(if calibration performed in both flow directions) |
| Minimum measured quantity | See table 2 |
| Maximum pressure | 300bar(g) |
| Environmental classes | M2/E2 |
| Ambient temperature range | -40℃/+55℃;H3,Condensing Open location |
| Product temperature range | See table 3 |
| Intended for the measurement of | liquid petroleum and related products,liquids food and chemical products in liquid state |
| Power supply voltage | 10,4...36VDC |
| Software identification | See table 4 |
OIML Certificate
OIML Member State The Netherlands
Number R117/2019-A-NL1-24.07 revision 1 Project number 3927432
Page 3 of 4
Table 2 General characteristics of the family of instruments
| Meter size | Minimum flow rate[m3/h] | Maximum flow rate[m3/h] | Minimum Reynolds number[-] | Minimum measured quantity[m3] |
| 4" | 36 | 360 | 10000 | 1 |
| 6" | 82 | 720 | 10000 | 2 |
| 8" | 142 | 1450 | 6000 | 10 |
| 10" | 223 | 2250 | 6000 | 20 |
| 12" | 300 | 3170 | 6000 | 50 |
| 16" | 300 | 4890 | 10000 | 100 |
| 18" | 450 | 6334 | 10000 | 100 |
| 20"[1] | 400 | 7880 | 10000 | 200 |
| 24"[1] | 580 | 11390 | 10000 | 200 |
[1] Meter sizes that can be used only with the LT-05, LT-07 and LT-09 type transducers.
Table 3 General characteristics of the transducers
| 4"-10" Meter Sizes | 12" -24" Meter Sizes | Liquid Temperature Range | Viscosity Range |
| LT-01 | LT-03 | -50℃ to 100℃ | Up to 130 cst |
| LT-04 | LT-05 | -50℃ to 150℃ | Up to 1000 cst |
| LT-06 | LT-07 | -200℃ to 60℃ | Up to 130 cst |
| LT-08 | LT-09 | -50℃ to 150℃ | Up to 130 cst |
Table 4 Software specifications
| Part | Version | Checksum |
| Operating system,Kernel | 2.6.37.6 | 0babf2ffe2512c50c22b9af006dd97a7ulmage.zip |
| File system | 1.02 | feef7a9450ac3fe5cebccac5badd6894rootfs.zip |
| Firmware | 1.04 | a3800fb0ed46527d08371c141315b6b1firmware.zip |
OIML Certificate
OIML Member State The Netherlands
Number R117/2019-A-NL1-24.07 revision 1
Project number 3927432
Page 4 of 4
| Part | Version | Checksum |
| Program checksum;Combined kernel,File System&Firmware | 1.13 | 0130745426 |
| 1.22 | 3499386616 | |
| 1.24 | 1869761847 | |
| 1.27 | 1547356617 | |
| 1.42 | 0938002774 | |
| 1.60 | 4058185302 | |
| 1.61 | 3742344397 | |
| 1.70 | 2317473693 |
Certificate history:
| Revision | Date | Description of the modification |
| 0 | 8 November 2024 | Initial release |
| 1 | 10 March 2025 | Addition of software version 1.70. |