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•
Main unit
①
Display
: Displays measurement readings or status of the unit.
②
PWR key
: Press this key to turn on the unit. To turn off the unit, press the key again.
③
CAL key
: Enters the calibration mode.
④
SKIP key
: Moves the pH set values while in the calibration mode.
Enters the manual temperature setting mode when pressed two seconds or
more after the connecting plug for the temperature sensor is disconnected,
while in the measurement mode, calibration mode or MAX/MIN logging mode.
⑤
REC key
: The calibration value for the pH 4, pH 7 or pH 10 is stored in the unit memory,
if pressed while in the calibration mode.
Pressing this key while in the measurement mode will move to the MAX/MIN
logging mode and start logging the MAX value (the highest pH value) and the
MIN value (lowest pH value). Pressing the key again will alternately display the
MAX value and MIN value. The maximum and minimum voltage (mV) can also be
logged. To return to the measurement mode, press the REC key for three
seconds or more while in the MAX/MIN logging mode. Pressing this key while in
the manual temperature setting mode will enable the liquid temperature.
⑥
pH/mV key
: Press this key to switch the pH and mV in the upper LCD in measurement
mode.
Increases (↑) the pH values to be calibrated in the calibration mode.
Increases (↑) the set temperature value in the manual temperature
measurement mode.
⑦
key
(backlight key)
: Press this key to turn on the backlight on the LCD in the measurement mode.
Decreases (↓) the pH values to be calibrated in the calibration mode.
Decreases (↓) the set temperature value in the manual temperature
measurement mode.
⑧
Battery cover
⑨
Screw for battery cover
•
Top face of the case
⑩
pH sensor connecting jack: Used to connect the sensor.
This product uses the BNC connector.
⑪
Temperature sensor connecting jack: Used to connect the
temperature sensor. This product uses the 2.5-mm diode
plug.
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