2. Important Safety Information 2-3. Caution information
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SC-04 (HCN):
<Continuous use environment> Temperature: −20 °C to +50 °C Humidity: 10 %RH to 90 %RH
<Temporary use environment> Temperature: −20 °C to +60 °C Humidity: 0 %RH to 95 %RH
Avoid using for extended periods in locations exposed to direct sunlight.
Avoid storing the product inside parked vehicles in hot weather.
Note that humidity may affect readings even when humidity is within the specified range.
Air calibration
Air calibrate the product using fresh air at pressures, temperatures, and humidity levels similar to the actual
usage environment.
Wait for the readout to stabilize before performing air calibration.
If the temperature difference between the storage location and usage location is 15 °C or greater, turn on the
power, allow the product to adjust to ambient conditions similar to those at the usage location for about several
tens of minutes
*1
, and perform air calibration using fresh air before using the product.
Miscellaneous
Pressing buttons unnecessarily may change settings and prevent alarms from activating correctly. Avoid
performing any operations not described in this operation manual.
Do not drop the product or subject it to impact. Doing so may degrade waterproof and explosion-proof
performance or reduce sensitivity.
Do not poke the sensor or buzzer sound opening with sharp or pointed items. Doing so may result in
malfunctions or damage to the product, preventing accurate measurements.
The product is a precision device. Do not subject the product to strong impact or vibration.
Keep the product away from magnetic fields. Magnetic fields may cause the product to fail or malfunction. If the
product does not operate correctly, use it away from magnetic fields.
Battery replacement
Replace the batteries promptly.
If the product is stored for extended periods with the batteries removed, a [FAIL SENSOR] (sensor abnormality)
alarm may occur in rare cases when the power is turned on. If this occurs, wait several minutes
*2
before turning
the power back on.
Be sure to turn off the power for the product when replacing the batteries.
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