Cheap temperature sensors

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1

From time to time this thread pops up. I found something which looked interesting and the price was right. I bought one and WOW! It is VERY impressive stuff for any price especially considering how cheap it was. I purchased 10 individual temperature sensors and two temp/humidity sensors, and the SNMP Ethernet module. From unpacking the box to installing the eight sensors in the inlet and outlet ducting of our four A/C units, two more to the inside of two server racks and yet two more to the UPS and general rack areas for ambient temp/humidity monitoring to setting up MRTG graphing and SNMP traps total time was under 4 hours! Very nice stuff. It works out of the box with minimal setup and no fabrication, or development/programming needed. All of this for $445.00 delivered!!! I'm going to order a spare because I like the equipment so much and it is so cheap.

http://dcf.sk/microweb/snmpmain.html

-Robert

Tellurian Networks - The Ultimate Internet Connection
http://www.tellurian.com | 888-TELLURIAN | 973-300-9211
"Good will, like a good name, is got by many actions, and lost by one." - Francis Jeffrey

2

I hate to point this out but this sounds spammy as hell, and while I've been on this list a very short time, very very big alarm bells went off when I read it.

I have no financial interest in the company and I was just letting the list know about a cheap solution that works really, really well for a tremendous price. That's an elusive thing to find and I managed to locate something that many of us need.

If you aren't a spammer, compare your review with what spammers write, noting key phrases "I bought one and WOW!" rings IMMEDIATE spam bells, further you went from buying one (note above) to "I purchased 10 individual temperature sensors and two temp/humidity sensors," for a total of 12.

All comparable solutions were $2000-3000 for the same number of sensors. I was half expecting to loose $445 to a scam company in Slovakia. I was very pleasantly surprised and I wanted to share my positive experience. I was excited because of the ease of setup and the dirt cheap price. If you don't need them. Ignore the post. If you do, or if someone searching the archives does, they will find my post useful. It is a lot more on topic than a lot of the nanog noise.

So I figure I'm going to call Tellurian tomorrow, and confirm you exist, hoping you'll forgive me for my lack of faith.

Look at the archives. I've been a nanog poster for years and an ISP for even longer. Tellurian has been providing Internet access since 1995. I am _clearly_ not a spammer!

Relatedly, don't capitalize words for emphasis,

It's a stylistic choice. I don't believe in html posting. In plain text, I have caps and _underlines_. That's it.

I note a previous post that stated that people will be able to search these lists when you're looking for employment and one must chose one's words carefully.

I haven't done anything wrong and I never wrote anything I will regret in the future. I really don't get it.

Anyway, I will give you a ring tomorrow, hoping that you do exist, and that you did send this, if not we can figure out exactly what's going on, and get it back to the list.

I am real. Look at our web site and look at the archives. I bought a cheap and elegant solution to a problem we all have and I wanted to share that positive experience with the list to benefit others. I was hesitant to buy it because it looked too good to be true and they are located in Slovakia (no offense to others from SK), but it works and I'm very impressed. Again, I have absolutely NO connection to them other than as a satisfied customer.

-Robert

Tellurian Networks - The Ultimate Internet Connection
http://www.tellurian.com | 888-TELLURIAN | 973-300-9211
"Good will, like a good name, is got by many actions, and lost by one." - Francis Jeffrey

3

>I hate to point this out but this sounds spammy as hell, and while I've
>been on this list a very short time, very very big alarm bells went off
>when I read it.

Well, if you had been on the list a little longer you would have realized
that this is something that comes up on a regular basis and that someone
has finally found an affordable solution helps a lot of people out. In
fact, your reply was borderline creepy...maybe you need a different hobby
then stalking "spammers".

andy

4

From time to time this thread pops up. I found something which looked

    > interesting and the price was right. I bought one and WOW! It is VERY
    > impressive stuff for any price especially considering how cheap it was. I
    > purchased 10 individual temperature sensors and two temp/humidity sensors,
    > and the SNMP Ethernet module. From unpacking the box to installing the
    > eight sensors in the inlet and outlet ducting of our four A/C units, two
    > more to the inside of two server racks and yet two more to the UPS and
    > general rack areas for ambient temp/humidity monitoring to setting up MRTG
    > graphing and SNMP traps total time was under 4 hours! Very nice stuff. It
    > works out of the box with minimal setup and no fabrication, or
    > development/programming needed. All of this for $445.00 delivered!

Try $130. These are what Citylink uses, and we're installing now.

http://www.digitemp.com/dt1a-isp.shtml

                                -Bill

5

This is very similar to what I'm just starting to use. I've got the
DS9097U attached to our Lantronix console server (but anything which does
9600 baud and can generate a Break will do), and I hang a daisy-chain
of iButton temperature probes off of that.

The 1wire protocol is a little wierd in places, but I've written several
chunks of code to interrogate these iButtons (both direct attached via 9097
and 9097U, and also 9097U via console server), and am just in the process of
integrating into our management systems.

All in all, a very cheap solution - you can get a working 1 probe system
for about $50 if you buy the eval kit, or much less if you buy the bits
individually.

Simon

6

I will second Robert's thoughts on these. I picked up 14 sensors (12 temp,
2 humidity) and the SNMP module for under $500. The only hiccup I had was
by default the unit had selected the wrong temp sensor type but dck.sk's
support answered quickly.

The included CDROM has a sample MRTG config, MIBs and some Windows app to
SNMP query the unit.