➢ The efficiency of the rechargeable battery decreases by approximately 20% after two years of normal
use.
➢ Do not use any other charging adapter.
➢ Do not calibrate the device while or immediately after charging the battery.
➢ Do not calibrate if exposed to the condition representative of the IP rating.
➢ Do not perform the calibration during the stabilization process after turning on the device.
➢ Sudden changes in atmospheric pressure may cause oxygen concentration to vary temporarily.
➢ Before daily use, check the pump port is clear of any obstructions, debris, or blockage.
If the pump port is blocked by any pollutants, the measured reading may be measured lower than the
actual concentration.
➢ The equipment shall only be carried and must not be laid down unattended
➢ If a charge-generating mechanism is present, the exposed metallic part on the enclosure is
capable of storing a level of electrostatic charge that could ignite IIC gases. Therefore, the
user / installer shall implement precautions, for example, those listed above, to prevent the
build-up of electrostatic charge. This is particularly important if the equipment is being used
in a Zone 0 environment.
➢ The equipment shall only be charged while in the non-hazardous area, using a charger
specifically supplied for use with the unit (for example part number ICP12-060-1200D,
manufactured by Shenzhen Shi Ying Yuan Electronics Co, LTD), approved as SELV or Class 2
equipment against IEC 60950, IEC 61010-1 or an equivalent IEC standard. The maximum
voltage and current from the charger shall not exceed 6.3 Vdc plus tolerances and 1.2 A
respectively, and shall be further limited by the charging system to Um = 6.3 Vdc. The ambient
temperature during charging shall be in the range 0 °C to 45 °C.
➢ The battery and sensors should only be replaced by SENKO authorized service providers in a safe zone,
free of hazardous gases
Caution
➢ Please read the manual carefully.
➢ The device is not a gas analyzer, but a gas detector designed to detect the presence of a gas.
➢ If the instrument fails to pass calibration, stop using and consult the manufacturer.
➢ Test the device every 30 days under the atmospheric environment of clean air without gases.
➢ To clean the exterior of the device use only a soft cloth and do not use chemical detergents.
Reference
➢ For flammable gas equipment installation, operation and maintenance information, please refer IEC
60079-29-2
➢ Conversion for %LEL and %vol follows the ANSI/NFPA 497 standard.
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