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#73219 21/05/18 9:05 AM
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Hi.
At our maternity hospital is special care baby unit CosyTherm model CCU200 by INDITHERM(now INSPIRATION HEALTHCARE)
The device works without failures and errors.
But the actual surface temperature of the mattress is below the set values.
For example;
At a setting of 39 degrees Celsius.
The surface of the mattress has a 33.5.
Measurements were made by several different infrared thermometers and mattress is covered with a dense thermoset.
I do not have a service manual
And there are no mechanical adjusting elements on the board
For that is USB and RJ45 ports.
What does it mean setting up and adjusting with program software or built-in web server.
If it is possible to obtain documentation on the procedure for setting the temperature.
Thanks
With best regards SJ.

SeniorJunior #73222 21/05/18 10:31 AM
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User manual. smile

Made in Rotherham (?)


If you don't inspect ... don't expect.
SeniorJunior #73223 21/05/18 10:43 AM
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Hi Dreamer, could this your problem?

"The mattress contains a special conductive heating material and will not cause any
environmental heating. The heat given off by this material will only be felt by the user /
patient when applying pressure / weight to the mattress. It is normal that the mattress or
blanket do not feel particularly warm to the touch when left uncovered"

Malcolm.

SeniorJunior #73224 21/05/18 11:13 AM
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Malcolm,many thanks for the explanation.
Try to emulate the patient.
TUF experts install thermo probes on top of the surface without a patient and the device does not pass the test.

SeniorJunior #73226 21/05/18 11:29 AM
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What "test"? think

As a general rule, in the absence of firm technical documentation, I have always found it advisable to carry out functional tests in as close to actual operating conditions as possible.

In other words, if (as Malcolm has suggested) a "dummy patient" (weight) is indicated, then so be it! smile

PS: are we talking about TÜV? What are they up to, I wonder?


If you don't inspect ... don't expect.
Geoff Hannis #73230 21/05/18 11:41 AM
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Originally Posted by Geoff Hannis

What "test"? think

As a general rule, in the absence of firm technical documentation, I have always found it advisable to carry out functional tests in as close to actual operating conditions as possible.

In other words, if (as Malcolm has suggested) a "dummy patient" (weight) is indicated, then so be it! smile

PS: are we talking about TÜV? What are they up to, I wonder?


Logically smile

By the way Kanmed BabyWarmer(water mattress version) perfectly heated mattress without patient.

So
Evenly distributed 5 kilograms of the mattress and between the mattress and weight set the temperature sensor.
Everything works perfectly
P.S.
CosyTherm we used rarely, store it in stock

Last edited by SeniorJunior; 21/05/18 11:45 AM.
SeniorJunior #73231 21/05/18 11:47 AM
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Result! Well done. smile

As you will be aware, the Kanmed works in a completely different way.

By the way, if your CosyTherms are being held as back-ups (and in any case), I feel it's a pity they did not go for the (mains and) battery-powered models (CCU201 and CCU202). Good when transporting neonates. Next time, maybe.


If you don't inspect ... don't expect.
Geoff Hannis #73232 21/05/18 12:02 PM
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Originally Posted by Geoff Hannis

Result! Well done. smile

As you will be aware, the Kanmed works in a completely different way.

Kanmed outwardly looks very simple - a flat heater located is under mattress.
But the algorithm (of the sensors) is more complicated.
They calculate even the presence-absence of water
We have two transport Hill-Rom/Drager TI500.
Ð’ut with one this weekend occur problem with batteries in UPS and we remembered about CosyTherm

Last edited by SeniorJunior; 21/05/18 12:11 PM.
SeniorJunior #73233 21/05/18 12:27 PM
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You mentioned a test weight of 5 kg. That's quite a hefty baby! smile

I wonder what the results would be over a lower range (1.5 to 3.5 kg, for example)?


Attached Images
Weights.jpg (58.5 KB, 36 downloads)

If you don't inspect ... don't expect.
SeniorJunior #73234 21/05/18 12:51 PM
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Reference weight for calibration scales in Isolette family incubators - 5 kg

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