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Author Topic: Electrical Specifications temperature accuracy of many full size handheld DMM  (Read 990 times)

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Online Kiriakos GR

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This is a listing and a comparison about temperature electrical specifications.
Its actually a roundup which I am composing now at 2024 so to detect which one has more tight tolerance.

Accuracy ± (% of reading + Digits as specified below)

U1272A  =     ±1%    reading  + 1.0 °C
BM869   =    ±0.3%  reading  + 1.5 °C
DE-208A =   ±0.5 %  reading + 1.0C
DT4282   =    ±0.5 %  reading  ± 3.0 °C

GDS-320 = undocumented

Note: Accuracy not including sensor error.   
==============================

Maxim Integrated Products, Inc. ( MAX6675 =   ± 2.0 °C )

Texas Instruments (LM35 Precision Centigrade Temperature Sensor =  ± 0.4 °C at 25C )
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Online Kiriakos GR

  • Administrator
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  • Join Date: May 2012
  • Location: Greece
  • Posts: 2267
  • Country: gr
    • ittsb.eu
  • job title: Industrial Maintenance Electrician
The numbers at the side of HH DMM they have a voice of their own.  :)
BM869 this is our winner. 

One new market research about to find a dedicated thermometer with T1 + T2 inputs, at identical tight tolerance and this be branded and reliable,  the price range starts from 75 Euro at 2024.

U1272A along DT4282, they are both data logging DMM.
U1272A & DT4282 they can store at their internal memory temperature measurements ( manual trigger).
U1272A can be set recording for hours all by it self.

The quick conclusion is, that tight tolerances along data-logging they are two separate  features, that in the world of dedicated thermometer will elevate further more their price.
BM869 still is our winner, if the user will do temperatures log by him self.

DT4282 is our winner if manual data log this is sufficient.
( You may record Min/Max of several sensor at the field, and back in office to construct your report about the specific system, by downloading data to PC.

U1272A this can go further away, as temperature recorder from a few minutes up to two days.
By downloading data to PC and import them at Keysight software, you may see now entire curve of all recorded points, but not their time stamp.

Keysight did not wanted to give you, the ultimate solution for the price of their DMM alone. :P
But nothing stops you from keeping notes of stating time-stamp (manually), so to use it later on, when analyzing later on all recorded points at your PC.

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