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Type methane and oxygen detection and alarm device
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>1. Type/type methane and oxygen dual-purpose detection and alarm device
>Overview
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>II. Type/type methane and oxygen dual-purpose detection alarm
>Main technical indicators
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, measuring range
>, methane
>, oxygen
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, measurement error
>, methane
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<
>, oxygen does not greater than the measurement range.
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, alarm point
>, methane can be set arbitrarily within the range, and the factory default setting is.
>, Oxygen can be set arbitrarily within the range of ~, and the factory default setting is at.
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, alarm error
>, methane.
>, Oxygen.
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Alarm modes and effects
>Sound and light alarms
>Effect sound, one meter away from the axial distance from the sound source, the sound intensity is not less than that of light. Visibility in dark places is no less than.
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, alarm resolution
>, methane
>, oxygen
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, response time
>, methane is not greater than.
>, Oxygen is not greater than.
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. The continuous working time on a single charge is greater than
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. *Uses a power polymer lithium battery. The battery is protected by a protective board and has over-current protection function.
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The explosion-proof type of the instrument is intrinsically safe.
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, explosion-proof mark
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, overall dimensions
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, operating environment conditions temperature ~ ℃
>Relative humidity＜
>Air pressure~
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, Maximum operating current (when alarming)
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, *Display mode bit display
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, *Display content Concentration measurement value, time display, battery voltage
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, *calibration method infrared remote control calibration
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, *charging method stand charger
>< br/>, *Adjustable parameters zero point adjustment, accuracy adjustment, alarm point adjustment, time adjustment
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, one-year warranty.