Re: [core] Proposed new SenML Units

Jaime Jiménez <jaime@iki.fi> Tue, 26 January 2021 15:33 UTC

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References: <20201109144145.nzp2oqiam7bdlqed@EMB-918HFH01> <C164824A-C22E-4132-A240-C52D4D4B465B@tzi.org> <041E8922-F467-430B-957C-6BB193D8352F@gmail.com> <20201116092213.k2jzis7ycqjyi3zq@EMB-918HFH01> <2CE9F4CA-5B42-4A90-A3D1-2F049BC7CBD8@tzi.org> <20201116215949.oh4qgsqymarq5fzq@EMB-918HFH01> <922BCE09-874C-4445-9ACC-24740CB94FD4@tzi.org> <b7f7b4a2-ce12-4280-8583-6217cbd2a9b0@www.fastmail.com>
Date: Tue, 26 Jan 2021 17:32:39 +0200
From: =?UTF-8?Q?Jaime_Jim=C3=A9nez?= <jaime@iki.fi>
To: "Carsten Bormann" <cabo@tzi.org>, "Michael Koster" <michaeljohnkoster@gmail.com>, core@ietf.org
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Subject: Re: [core] Proposed new SenML Units
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Hi again, 

this is the last version I have of the table.

On the SenML Units registry:

+===========+================================+=======+                      
| Symbol    | Description                    | Type  |
+===========+================================+=======+
| NTU       | Nephelometric Turbidity Unit   | Float |                     
+-----------+--------------------------------+-------+

On the Secondary Units registry:

+=========+======================+======+==========+======+
|Secondary| Description          |SenML |   Scale  |Offset|
| Unit    |                      | Unit |          |      |
+=========+======================+======+==========+======+
| ppb     | parts per billion    | /    |   1e-9   |    0 |
+---------+----------------------+------+----------+------+
| ppt     | parts per trillion   | /    |   1e-12  |    0 |
+---------+----------------------+------+----------+------+
| VAh     | volt-ampere hour     | VAs  |   3600   |    0 |
+---------+----------------------+------+----------+------+
| mg/l    | milligram per liter  | kg/m3|   1/1000 |    0 |
+---------+----------------------+------+----------+------+
| ug/l    | microgram per liter  | kg/m3|   1e-6   |    0 | 
+---------+----------------------+------+----------+------+
| g/l     | gram per liter       | kg/m3|     1    |    0 |
+---------+----------------------+------+----------+------+

A reference for NTU can be found here for example: https://www.iso.org/standard/62801.html
If someone has more experience and knows better references, please let me know.

Ciao!
-- 
Jaime Jiménez

On Tue, Jan 26, 2021, at 4:31 PM, Jaime Jiménez wrote:
> Dear all,
> 
> pinging on this. Is it there anything else that needs to be done to add 
> this to the secondary registry?
> It's something we need for IPSO as we have new objects coming.
> 
> Ciao!
> -- 
> Jaime Jiménez
> 
> On Tue, Nov 17, 2020, at 12:16 AM, Carsten Bormann wrote:
> > On 2020-11-16, at 22:59, Jaime Jiménez <jaime@iki.fi> wrote:
> > > 
> > > intriduce new errors:
> > 
> > Something weird happened with the table lines.
> > 
> > The units need to be singular, i.e., milligram, not milligrams.
> > 
> > (For ppb, ppt we probably want to stay with “parts per…” as this is 
> > vernacular anyway.)
> > 
> > Grüße, Carsten
> > 
> > 
> > 
> >
> 
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