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Alarm Meter (FA-490)
Alarm Meter (FA-490)
Product Code: FA-490
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Product Alarm Meter (FA-490)
Model FA-490
Measuring Gas Combustible gas in the air
Detection Method Heat wire semiconductor
Measuring Range 0~100%LEL 0~2,000ppm
Alarm Setting Value Adjustable-2points (25%LEL, no pre-setting)
Indication Accuracy Within 25%LEL of setting value
Alarm Display Intermittent red LED illumination and intermittent buzzer sound
Alarm Contact Output Gas alarm AL1→ non-voltage 1a or 1b contact
Gas alarm AL2→ non-voltage 1a or 1b contact
Contact Capacity AC125V ∙ 0.6A or DC110V ∙ 0.6A (resistance load)
Trouble Display Red LED lighting and intermittent buzzer sound
Analog Output DC4~20mA
Power Source AC100±10% 50Hz/60Hz (AC220V optional)
Operating Temperature -10~40˚C; below 95%RH (non-condensing)
Dimension 120(W) X 197(H) X 65(D) mm
Weight 0.9 kg
Additional Info -