(1) to 8 pH units ±0.03 at depths to 500 m. . (29) 



(2) 6 to 14 pH units ±0.03 at depths to 



500 m. (56) 



Response: 95% in 1 second including flushing time. 

 Operating environment: -2 to 45 C. ; Salinity 

 to 45%o- 



1 / 

 1.1160 Dissolved Gases— 



1. 1161 Oxygen (3 nnodules). 



Range and accuracy: 



(l)0tol5ml./l. ±0.02at depths to 50 m. . (47) 



(2) to 10 ml. /I. ±0.02 at depths to 500 m. , (535) 



(3) to 10 ml. /I. ±0.02 at depths to 



2, 500 m (118) 



Response: 95% in 1 second including flushing time. 

 Operating environment: -2 to 45 C. ; Salinity to 

 45%o. 



1.1162 Carbon Dioxide (44) 



Range and accuracy: 



to 4 ml. /I. ±0. 01 at depths to 500 m. 

 Response: 95% in 1 second including flushing time. 

 Operating environment: -2 to 45° C. ; Salinity to 



45% 



'00. 



1.1163 Hydrogen Sulfide (19) 



Range and accuracy: 



to 5 ml. /I. ±0. 5 at depths to 500 m. 

 Response: 95% in 1 second including flushing time. 

 Operating environment: -2 to 45° C. ; Salinity to 



45% 



'00. 



1.1164 Nitrogen (17) 



Range and accuracy: 



to 5 ml. /I. ±0. 02 at depths to 500 m. 



Response: 95% in 1 second including flushing time. 



o o 



Operating environment: -2 to 45 C. ; Salinity to 



45%o. 

 1 . 11 70 Light. 



1/ Two or more may be combined in one module if economically 

 desirable. 



424 



