Technical Specification Technical specifications Version 1.0 Figure 1 PH3-BE Schematic Diagram Bottom View Bottom View PERFORMANCE Sensitivity Response time Performance Zero Sensitivity current Response time Resolution Zero current Range Resolution Linearity Range Overgas limit Linearity LIFETIME Lifetime Overgas limit Zero drift Sensitivity drift Zero drift Operating life Sensitivity drift Operating life Side Side View View nA/ppm in 800 PH3 t90 (s) from zero to 800 PH3 nA/ppm in 800 PH3 15 to 35 ppm equivalent in zero air t90 (s) from zero to 800 PH3 < 30 RMS noise (ppm equivalent) ppm equivalent in zero air < -6 to 20 ppm PH3 limit of performance warranty RMS noise (ppm equivalent) <2 ppm PH limit of full scale, linear at zero, 800ppm PH3 error at performance warranty ppm 2,000 3 maximum ppm forlinear at zero, 800ppm PH gas -50 to -350 pulse ppm error at full scale, stable response to maximum ppm for stable response to gas pulse ppm equivalent change/year in lab air % change/year in lab air,lab air monthly test ppm equivalent change/year in < 1.5 months until in lab air, monthly test 80% original signal (24 month warranted) % change/year <4 S sensitivity H2S H2sensitivity NO2 sensitivity NO2 sensitivity sensitivity 2 CL2 Clsensitivity NO sensitivity NO sensitivity SO2 sensitivity sensitivity SO2 CO sensitivity CO H sensitivity sensitivity 2 H2 C2sensitivity H4 sensitivity C2H4 NH3 sensitivity sensitivity sensitivity NH3 CO2 sensitivity CO2 sensitivity Temperature range Pressure range KEY Temperature range Humidity range SPECIFICATIONS Pressure range Storage period Humidity range Load resistor Storage period Bias voltage LoadWeight resistor Bias voltage Weight months until 80% original signal (24-month warranted) > 24 ENVIRONMENTAL Sensitivity @@ -20°C %(output @ -20°C/output @ 20°C) @ 3800 65 to 85 3 ppm PH Sensitivity -20°C% (output @ -20°C/output @ 20°C) @ 800ppm PH Environmental Sensitivity @@ 50°C% % (output @ 50°C/output @ 20°C)@ 800ppm @3 800 120 to 140 3 (output @ 50°C/output @ 20°C) PH ppm PH Sensitivity 50°C ppm equivalent change from < ± 20 Zero Zero-20°C @ @ -20°C ppm equivalent change from 20°C 20°C ppm equivalent change from < ± 15 Zero Zero @ 50°C @ 50°C ppm equivalent change from 20°C 20°C CROSS Cross Sensitivity % meaured gas @ 20 H2 S % measured gas @ 20ppm ppm H2S % measured gas @ 10ppm ppm NO2 NO % meaured gas @ 10 2 % measured gas @ 10ppm ppm Cl 2 Cl % meaured gas @ 10 2 % NO % measured gas @ 50ppm ppm NO meaured gas @ 50 % measured gas @ 20ppm SO % measured gas @ 400ppm CO22 meaured gas @ 20 ppm SO % % measured gas @ 400ppm H % meaured gas @ 400 ppm CO 2 % measured gas @ 80ppm ppm H2H4 % meaured gas @ 400 C2 % measured gas @ 25ppm ppm C2H4 % meaured gas @ 80 NH3 % meaured gas @ CO % measured gas @ 5% 25 ppm NH23 % meaured gas @ 5% CO2 °C kPa 80 to 120 °C % rh continuous 20 to 90 kPa months @ 0 to 20°C (stored in original container) 6 % rh continuous � (recommended) 10 to 33 months @ 0 to 20°C (stored in original container) mV above analogue ground not required Ω (recommended) g < 13 mV above analogue ground g At the end of the productʼs life, do not dispose of any electronic sensor, component or instrument in the domestic waste, but contact the instrument manufacturer, Alphasense or its distributor For further information on T: +44 (0)1376 556700 E: [email protected] W: www.alphasense.com for disposal instructions. the performance of this sensor, on other sensors in the range or any other subject, please contact Alphasense Ltd. or visit our website at “www.alphasense.com”. NOTE: Tested with surrogate gas. All sensors are tested at ambient environmental conditions, with 10 ohm load resistor, unless o

Technical specifications Version 1.0 PH3-BE Performance Data Perf erformance Data Figure 1 Zero Temperature Dependence Figure 2 Zero Temperature Dependence Deviation from linearity from linearity (as ppm) Deviation (as ppm) Zero output, referenced to referenced to 20oC (equivalent ppm) Zero output, 20oC (equivalent ppm) Deviation from linearity (as ppm) Zero output, referenced to 20oC (equivalent ppm) Figure 2 Zero Temperature Dependence 40 60 Perf erformance Data PH3-BE Performance Data Mean "+95 %conf." "-95 % conf." Figure 2 Zero Temperature Dependence This data is taken from a typical batch...