| A | QT-XWHM-R-B-NA | Adjustable | 18 to 20 hr. | Lithium Polymer | 1.875" | Oxygen, Combustible, Hydrogen Sulfide, Carbon Monoxide | Graphical LCD | LEL, O2, H2S, CO | 5.125" | SGD 2,327.58 |
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| A | QT-XWHM-A-B-NA | Adjustable | 14 hr. | Alkaline | 1.875" | Oxygen, Combustible, Hydrogen Sulfide, Carbon Monoxide | Graphical LCD | LEL, O2, H2S, CO | 5.125" | SGD 2,168.04 |
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| B | QT-XWHM-A-Y-NA | Adjustable- H2S - Low 10 ppm, High 15 ppm. O2 - Low 19.5%, High 23.5%. LEL - Low 10%, High 20%. CO - Low 35 ppm, High 200 ppm | - | Alkaline | 5.125" | Oxygen, Combustibles, Hydrogen Sulfide, Carbon Monoxide | Alphanumeric LCD | LEL, O2, H2S, CO | 1 15/16" | SGD 1,932.90 |
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| C | M5-XW0Y-R-P-D-Y-N-00 | H2S - Low 10 ppm, High 15 ppm. O2 - Low 19.5%, High 23.5%. LEL - Low 10%, High 20%. CO - Low 35 ppm, High 200 ppm | 2 yrs. | Lithium Polymer | 5.75" | Oxygen, Combustibles, Hydrogen Sulfide, Carbon Monoxide | Alphanumeric LCD | LEL, O2, CO, H2S | 1.5" | SGD 3,856.61 |
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