7231A Oral Cavity Foul Breath Meter (S2H)
The oral exhaled gas equipment for the detection of patients with oral medical institutions in the exhaled sulfureted hydrogen (H2S) concentration ppb.
Functions characteristics
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microprocessor to monitor the use of SoC structure
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Sensor for H2S gas sensor of the MEMS
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3.5 inch LCD
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When in use, the patient does not require gas insufflations
Technical Indicators
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Test range: 0-1999 ppb
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Accuracy: ≤ ± 10ppb (At 50-500 ppb)
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Test step: 10ppb
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Gas injection : electromagnetic pump exhaust detection;
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Zero air: Automatic (or manual)
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Warm-up Time: ≤ 2 minutes
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Response Time: ≤ 5S
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Recovery Time: ≤ 30S
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Input power: 85-265V AC
Sensor life: 3000 Hour (sensor module need calibration or transposal)