horiba LaquaTwin B-771, Instruction Manual

Page: 15 / 34

5
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Do not measure samples such as the following, since they may
damage the sensor or shorten its life: Organic solvents, oils, adhesives,
cement, alcohols, concentrated acid (0 pH to 2 pH), concentrated
alkaline (12 pH to 14 pH) or solid materials.
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In the following cases, perform electrode surface treatment as
instructed on page 8.
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The sensor is used for the first time.
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The sensor is slow to respond, after several weeks of disuse, etc.
࡮
The inside of the measurement cell is dirty.
࡮
Bubbles tend to occur inside the measurement cell.
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The measured value is unstable.
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Battery
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Keep batteries out of reach of children. If someone accidentally
swallows a battery, call a doctor immediately.
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Do not throw batteries in fire.
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Do not attempt to recharge batteries.
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The provided batteries are intended for use in operation checking,
therefore their service life may be short.
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The battery alarm icon lights up when the battery voltage is low.
Replace the batteries when the battery alarm icon lights up. The meter
power may not be turned ON/OFF when the battery voltage is low.
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Replace the 2 batteries at the same time.
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Others
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Wash off any calibration fluid that comes into contact with hands or
other exposed skin. If fluid gets in eyes, rinse them immediately and
see a doctor.