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           PERFORMANCE

             SensitivitynA/ppm in 50ppm NH3： 20 to 40
             Response time t90 (s) from zero to 50ppm NH3 (300 seconds)：<60
             Zero current ppm equivalent in zero air：< ± 7
             Resolution RMS noise (ppm equivalent)：<0.7
             Range ppm NH3 limit of performance warranty： 100
             Linearity ppm error at full scale, linear at zero and 40ppm NH3：+5 to -5
             Overgas limit maximum ppm for stable response to gas pulse： 200

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