美國Apogee SO-110-SS/SO-210-SS/SO-411-SS/SO-421-SS

配有一個熱敏電阻溫度傳感器，用于校正溫度變化，

以及一個靜態加熱器，用于將膜的溫度提高到比環境溫度高約兩度的位置，以防止特氟龍膜上發生冷凝并阻塞傳感器的擴散路徑

產品圖片1

SO-110-SSSO-210-SSSO-411-SSSO-421-SS
輸入電壓要求─5.5 to 24 V DC
電流消耗─0.6 mA (quiescent); 1.3 mA (active)
輸入電壓（加熱器和熱敏電阻）12 V DC continuous (for heater); 2.5 V DC excitation (for thermistor)
加熱器電流消耗6.2 mA (74 mW power requirement when powered with 12 V DC source)
熱敏電阻電流消耗0.1 mA DC at 70 C (maximum, assuming input excitation of 2.5 V DC)
參考溫度傳感器Thermistor
測量范圍0 to 100 % O?
輸出（靈敏度）2.6 mV per % O?0.6 mV per % O?Digital SDI-12 output
0%O?時的輸出5 % of output at 20.95 % O?2 % of output at 20.95 % O?─
測量重復性Less than 0.1 % of mV output at 20.95 % O?
非線性Less than 1 %
長期漂移
（不穩定）		1 mV per year0.8 mV per year1 mV per year0.8 mV per year
耗氧率0.1 μmol O? per day at 20.95 % O? and 23 C (galvanic cell sensors consume O? in a chemical reaction with the electrolyte,which produces an electrical current)
響應時間60 s14 s60 s14 s
運行環境-20 to 60 C; 0 to 100 % relative humidity (non-condensing); 60 to 140 kPa
尺寸32 mm diameter, 68 mm length
擴散頭（附件）35 mm diameter, 35 mm length, 125 mesh screen
流量通過頭（附件）32 mm diameter, 91 mm length, 0.25 in barbed nylon connectors
重量175 g (with 5 m of lead wire)
電纜5 m of six conductor, shielded, twisted-pair wire
各種氣體的影響Sensors are unaffected by CO, CO?, NO, NO?, H?S, H?, and CH?. There is a small effect (approximately 1 %) from NH?, HCI,and C?H? (benzene). Sensors are sensitive to SO? (signal responds to SO? in a similar fashion to O?). Sensors can be damaged by O?


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