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5. Caution Before Using
5.1 Check Condition before Using
After receiving this product, please verify that the item received is without scratch or other damage.
5.2 Operating Instructions
In order to avoid damaging the instrument due to improper operation, be sure to read this user manual. To maintain the specified
accuracy, calibration should be performed annually.
5.3 Ambient Environment
1. Do not locate or operate this product in an environment with dust, vibration, or corrosive gas and do not expose this product
directly to the sunlight. Operate it in an environment with temperature 0-40°C and relative humidity 20%-80%. The power
supply will sense an over temperature condition and will shut off output power and display an error message should an over
temperature occur.
2. This product is equipped with one cooling fan with intake vents on the top and sides of the chassis and outlet vents on the
rear and side of the chassis. Provide at least 1 inch of open space at the vents with good ventilation. If the units are stacked
do not block the side air intakes. Never block the rear air outlets.
3. The product is designed with a power line filter to minimize noise into the instrument from the AC power source and to
minimize noise output to the line. The power supply is also protected from moderate power transients and ESD on its
terminals. If the power supply will be exposed to large transients, external protection should be provided.
5.4 Storage
The storage temperature range of this product is within -40ºC to +70ºC and R.H. should be 20% to 80% without moisture
condensing. If not operating this product for a long time interval, pack it with original packaging or similar one and put it in a dry
place without exposure to direct sunlight.
5.5 Power-line voltage
Rated AC power source connected to this product is within 90 - 265 VAC 47 - 63 Hz (refer to the Product Specification for
details). Before connecting to external power source, be sure that the power switch is in OFF state and verify that the provided
power cord is firmly attached to the power source and to the instrument.