SATO KEIRYOKI 6400-00, Instruction Manual

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(23) Jack for the RS-232C cable
: The RS-232C cable is plugged into the jack. For details of RS-232C, refer to
"About the RS-232C output"
(24) Jack for the AC adapter
: Connects to the AC adapter provided with this product. For details of the AC
adapter, refer to "About the AC adapter"

Sensor section (PHP-31 sensor probe)
(25) pH sensor connection plug : This product uses the BNC connector.
(26) Temperature sensor connection plug : This product uses the 2.5-mm diode plug.
(27) Sensor cable (approx. 1 m)
(28) Electrode clip
(29) Electrode holding tube
(30) Glass electrode
(31) Liquid junction
(32) Glass electrode protection bottle: Contains the phthalate pH standard solution (set at the factory).
Precautions in use
For proper use of the SK-620PH, be sure to observe the followings:
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This is a precision instrument. Be careful not to drop or knock it.
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The operating temperature range for this instrument is 0 to 50°C and a relative humidity of less than 80%.
Operating this product outside the temperature range may result in unit malfunctions.
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Avoid using this unit in a place exposed to direct sunlight or near a heat source. Otherwise, the case may
become deformed or malfunction may be caused.
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If this instrument is left in a car in the hot summer sun, it will become extremely hot and may malfunction. Do
not leave the unit in such a place.
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If this unit is used in an environment where electrical noise is generated, the display may become unstable
or the measurement error may increase.
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Never disassemble or modify the unit. Doing so may cause malfunctions.
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Do not use this instrument outside the operating range. Doing so may cause malfunctions.