simon
New Member
Posts: 2
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Post by simon on Mar 14, 2023 10:34:51 GMT -5
Hi,
I have an old LakeShore 331 and I would like to use it with trwo RTD100 from Radiospares Ref: 666-7362. I do not have the calibration and I don't know how to do it. Can anyone could give me any advices ?
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Post by Lake Shore Jeff M on Mar 15, 2023 9:10:41 GMT -5
Simon,
From what I can find on the manufactures web site, the sensors you have at basically a Class A PT-100 sensor so on the Model 331, you would configure the input as a PT-100 and use the PT-100 standard curve.
To connect the sensor to the 331, you need to use a 4-wire connection where the I+ & V+ leads connect to one side of the sensor and the I- & V- leads connect to the other side. This relates to pins 1& 2 and pins 4 & 5 on the 6-pin input connector on the Model 331 controller.
Since these are described as Class A sensors, I do not have any information on the accuracy to the standard IEC751 curve so you will need to ask the manufacture on what to expect.
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