Accuracy - LSIS XBF-AD04A User Manual

Analog programmable logic controller

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XGB Analog edition manual

12.5 Accuracy

Accuracy / Resolution are as follows according to ambient temperature

Thermocouple

Note1) Total accuracy (normal temp.) = accuracy (normal temp.) + cold junction compensation accuracy

Cold junction compensation accuracy = ±1.0℃

Note2) Temp. coefficient: ±100 ppm/℃

(1) When ambient temp. is normal (25 ± 5℃): within the ±1% of entire measurement temp. range

(2) When ambient temp. is operating temp. (0 ~ 55℃): within the ±1% of measurement temp. range

Ex.) When K type thermocouple is used and ambient temperature is normal.

In case of measuring 1000℃ temperature, output range of conversion data is

1000℃ - [{1300 - (-200)} x 1 %] - 1 ~ 1000℃ + [{1300 - (-200)} x 1%] + 1

namely, 984.0 ~ 1016.0 [℃] 입니다.

(1) For stabilization of measurement temperature, warming-up time more than 15 min. is necessary, after

(2) If ambient temperature changes rapidly, measurement temperature may change temporally. Keep the

ambient temperature steady for stabilization of measuring temperature.

(3) If wind of the cooling pan contacts with module directly in the panel, accuracy decreases. Do not

contact with wind directly.

Indication temperature

-200.0℃ ~ 0.0℃

0.0℃ ~ 1300.0℃

-200.0℃ ~ -100.0℃

-100.0℃ ~ 1200.0℃

= ±(full scale X 0.2% + 1.0℃)

Accuracy - note1)

temperature -

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