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Using the External Power Supply
9
Using the External Power Supply
The Micro-USB interface can be used for external power supply. It is not possible to
charge the batteries. The instrument is not supplied with an external 5V USB battery.
Alternatively, the instrument can be supplied by an external power supply unit (not
included in the scope of delivery) via the Micro-USB socket. Use an external battery that
is suitable for 5V USB battery. For connection, a suitable USB cable with a Micro-USB
plug is required. The power saving mode is canceled only when using external power.
*Power saving mode: When the power supply is only the battery, the screen brightness
will automatically shift to 1 if there is no button operation for more
than 1 minute. Return to the set screen brightness by key operation.
While the instrument is powered by the external power supply, the batteries are not
being used. The icon
is shown the screen.
Attention
Take care that the AC adapter does not come into contact with liquids.
Connecting sensors
To perform calibration/ measurement, it is necessary to use the appropriate sensors for
measurement parameter. Recommended sensors for various sample are listed below.
Use the following procedure to correctly connect the sensor to the instrument
Align the arrow on the sensor connector with the groove of the meter plug and insert it.
It does not matter if you plug the connector of any measurement item into the meter
plug.
Measurement
item
Sensor head or Sensor
Sensor Cartridge or Electrode
pH
pH Sensor head (35660-88, 35661-01)
pH Sensor Cartridge (35660-92)
Conductivity
EC Sensor head (35660-90, 35661-02)
4-Cell EC Sensor Cartridge
(35660-94)
DO
DO Sensor (35660-96, 35660-98)
Sensor connector
Meter plug
www.calcert.com
1.800.544.2843
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Summary of Contents for Oakton 300 Series
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Page 4: ...Regulations III www calcert com sales calcert com 1 800 544 2843 0 5 10 15 20 25 30 ...
Page 11: ...Contents X www calcert com sales calcert com 1 800 544 2843 0 5 10 15 20 25 30 ...
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