Measurement Procedure; Preparations : Hardware Set Up For Recording - GRAPHTEC GL840 Quick Start Manual

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13. Quick settings
: Displays items that can be easily set. The
activate make a Quick settings item, and the
values.
14. Alarm display area
: Displays the status of the alarm output. (Red = alarm generated, white =
alarm not generated)
15. Pen display : Displays the signal positions, trigger
positions, and alarm ranges for each
channel. (see right figure)
16. File name display area : Displays the recording file name during the
recording operation.
When data is being replayed, the display
position and cursor information are
displayed here.
17. Scale lower limit : Displays the lower limit of the scale of the
currently active channel.
18. Waveform display area : The input signal waveforms are displayed here.
19. Scale upper limit : Displays the upper limit of the scale of the current active channel.
20. Recording bar
: Indicates the remaining capacity of the record media during recording.
When data is being replayed, the display position and cursor information are
displayed here.

Measurement Procedure

A basic information on the data recording process:
Preparations -> Setup ->Record -> Replay.
Example: Voltage and temperature measurements.
Purpose : To measure voltage and the temperature of the target
Temperature Range : T type Thermocouple, 100
Voltage range : 1V
Sampling interval : 1 sec
Data save destination : Internal memory (SD1)
1. Preparations : Hardware set up for Data Recording
1. Connect Thermocouple to CH 1 terminal (Temperature).
2. Connect wire to CH 2 terminal (Voltage).
3. Connect the AC power supply.
4. Turn the power supply on.
Measurement
object
11
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ºC
Screw tightly!
2 1
3
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and keys can be used to
and keys to change the
Trigger position Alarm range
Rriisg
Outside
tignegr Falling
the range
tignegr
Stop side
Within
the range
Start side
4
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