Martel 306 Dataloger, Instruction Manual

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MARTEL 306
4
4.7 Recording Interval Setup :
1. Press and hold “ MAX MIN ” button and then power on the meter:
2. Press “ HOLD " (INTV)
3. Press " REC " or " °C/°F" to increase or decrease the number. Press
the “ HOLD " (INTV) button to adjust next item, then press the
“ HOLD ” (INTV) to save your changes. If you want to abort the setup
process, press the power button to cancel.
4.8 Time Operation:
Pressing the “ TIME ” button will display time. The year is displayed at the top of the LCD, month and
day are displayed on the bottom left of the display, and the hour and minute on the bottom right.
Pressing the "
TIME " button or any other button will exit this mode. This operation will not interrupt
the recording and MAX/MIN operation.
4.9 MAX/MIN Operation:
Pressing the " MAX/MIN " button enters the MAX/MIN mode. Under this mode the maximum and
minimum values are kept in memory simultaneously and updated with every new data sample.
When the MAX symbol is displayed, the Maximum value is displayed.
Pressing the "
MAX/MIN " button again displays both MIN symbol and the minimum reading.
Pressing the " MAX/MIN " button again causes both MAX and MIN to blink together, which indicates
that all these data is updated in the memory and the reading is the present temperature.
Repeatedly pressing the "
MAX/MIN " button cycles the display mode among these options.
In the MAX/MIN mode the “ °C/°F ” button is disabled, and will respond with two beeps.
To exit the MAX/MIN mode, press and hold " MAX/MIN " for two seconds.
4.10 Auto Power Off:
By default, when the meter is powered on, it is in the auto power off mode. The meter will power
itself off after 30 minutes if no key operation, no RS232 communications, and no recording occurs.
To disable the auto power off feature, press and hold the “
HOLD ” button while powering on the
meter. Two successive beeps indicate that auto power off is disabled and the will not show up.
4.11 Low Battery Condition
When the battery voltage below that for proper operation, the symbol will be displayed.
Replace the battery.
4.12 Calibration Point:
input Adjust VR tolerance
0 °C VR1 ± 0.1 °C
190 °C VR2 ± 0.1 °C
1000 °C VR3 ± 1 °C
1900 °F VR4 ± 1 °F
P.S
Normally, performing offset Calibration with thermal
stabled ice water through VR1 will give a very good
calibration result.