4
*1 The Q68TD-G-H01 needs to be powered for 30 minutes warm-up in order to satisfy with the accuracy.
*2 Calculate the accuracy in the following method.
(Accuracy) = (conversion accuracy) + (temperature characteristic) (operating ambient temperature variation) +
(cold junction temperature compensation accuracy)
An operating ambient temperature variation indicates a deviation of the operating ambient temperature from the
25
5
range.
Example: When using the thermocouple B (refer to (2)) with the operating ambient temperature of 35
and the
measured temperature of 1000
, the accuracy is as follows.
(
2.5
)+(
0.4
)
(35
-30
)+(
1
)=
5.5
*3 The conversion speed indicates the maximum time period from which the input temperature starts changing to
which the temperature mesurement value of the buffer memory is stored.
*4 The sampling period indicates a cycle of updating a temperature measurement value.
*5 The Q68TD-G-H01 does not have the wire break detection function. However, the disconnection monitor
function is available to select a measured temperature value on a disconnection occurrence from either "Up
scale (the maximum value of measured temperature range + 5% of measured temperature range)", "Down scale
(the minimum value of measured temperature range - 5% of measured temperature range)", or "Given value".
Checking a disconnection status takes up to 11s.
