Underwater Mass Spectrometer (UMS) Capabilities
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Analytical
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30 nmol/L (0.32 ppb) Methane det. lim. (by 3*σ)
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Similar detection limits for ethane, propane and others
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6 orders of magnitude dynamic range
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20 - 40 s response time (by T90)
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Analytical mass range is 0 to 100 amu (200 amu available)
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4 to 10 s to scan all a target list
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Full scan on demand for a complete spectrum analysis
Analytes
Dissolved Permanent Gases: Nitrogen, oxygen, argon
Light Hydrocarbons: Methane, ethane, propane, butane
Volatile Organic Compounds: Pentane, cyclopentane, hexane, cyclohexane, benzene, toluene, dimethyl sulfide
pH Dependent Gases: Carbon dioxide, hydrogen sulfide
Operational
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Depth Rating: 3000 m
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Power: 65 to 80W
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Primary Input: 110 - 250 VAC
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Secondary Input: 18 to 60 V
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Hot swappable - continuous power between platforms
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Diameter: 202 mm (8 in)
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Length: 526 mm (20.7 in)
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Weight: 34 kg in Air, 17 kg in seawater (MSW)
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Communication: RS-232, 57600 baud, 8N1 (default)
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Networking: 12 W supply and RS-485 from the UMS enables networking with additional sensors