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USER'S MANUAL - DATAQ Instruments

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CHAPTER 3 Settings and Measurement<br />

Dead zones of trigger and alarm levels<br />

Trigger and alarm levels are provided with a dead zone in order to prevent false detection due to<br />

noise.<br />

Since a dead zone exists as shown in the figure below, the conditions are met at different points<br />

between rising and falling signals.<br />

Therefore, errors in relation to the setting levels are generated as shown in the figure below.<br />

<br />

Dead zone<br />

Setting value +0.3°C<br />

Trigger/alarm setting level<br />

Setting value -0.3°C<br />

Conditions met here in rising<br />

Conditions met here in falling<br />

An alarm that has occurred is canceled at the following levels:<br />

• For rising setting: Setting value -0.4°C<br />

• For falling setting: Setting value +0.4°C<br />

<br />

Dead zone<br />

Setting value + 0.5% of range<br />

(For 1 V range, 1 V*0.5%=0.005 V)<br />

Trigger/alarm setting level<br />

Setting value - 0.5% of range<br />

(For 1 V range, 1 V*0.5%=0.005 V)<br />

Conditions met here in rising<br />

Conditions met here in falling<br />

(4) USER settings<br />

By switching between users using the USER Setting, you can easily read out different setting conditions<br />

that have been stored<br />

Selection item<br />

Selections available<br />

User<br />

Text input (when User is selected)<br />

Department name Text input (when User is selected)<br />

Setting conditions switch Guest, User 1, User 2)<br />

Macro file Folder MEM, USB1<br />

name File Specify a file name.<br />

Name<br />

Macro run Press right key to execute.<br />

3−33

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