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Press "MAX MIN" again, MAX, and MIN will blink together. This means that all these data is updated
in the memory and the reading is the present temperature.
One may press "MAX MIN" to circulate the display mode among these options.
When the meter is under "MAX MIN" operation, " °C " " °F " "
press " °C " " °F ""
To exit the MAX/MIN mode, one may press and hold "MAX MIN" for two seconds.
4.7 Relative Operation:
When one press the"
difference between the new reading and the memorized data will be shown on the display, Press the
"
REL " button again to exit the Relative operation. When the meter is under relative operation,
" °C/°F " button is disabled. ( when you press " °C " " °F " button in relative mode , there will be two
continuous beep )
4.8 Auto Power Off:
By default, when the meter is powered on, it is under auto power off mode. The meter will power
itself off after 30 minutes if no key operation and no RS232 communication.
Combination at power on can disable auto power off.
One may press and hold "HOLD" button and then power on the meter and there will be two
successive beeps to indicate that auto power off is disabled and the
4.9 Low Battery Condition
When the battery voltage is under proper operation requirement, the
LCD and the battery need to be replaced with new one.
4.10 Digital Output:
The Digital Output is a 9600bps N 81 serial interface.
WARNING!
1.Don't touch or manipulate the sensor.
2.Don't expose the sensor to direct light , this causes a false reading.
3.Don't expose the sensor to static electricity.
Appendix: Thermo couple probe specification
Model
Range
-50℃ to 200℃
TP-K01
-58℉ to 392℉
Bead probe
TP-K01:
probe for general condition measurements, especially for
complex and hard to reach places.
REL " button in "MAX MIN" mode, there will be two continuous beep)
REL " button, the meter will memorize the present reading and the
Tolerances
±2.2℃ or ±0.75％
(±3.6℉ or ±0.75％)
HUMIDITY TEMPERATURE METER
REL " button are disabled.(when you
RX
TX
with Teflon tape insulation Maximum
insulating temperature : 260℃
4
will not show up.
symbol will show on the
GND
Description
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