Fuji Electric ZPAF Instruction Manual page 76

7.8 Replacing constant-potential electrolytic H
INZ-TN2ZPAF-E
S sensor (0 to 5000 ppm)
2
65
H S amplifier board
2
H S sensor unit
2
M4 screw (2 pcs)
Measuring cell
M4 screw (4 pcs)
H S amplifier board
2
Measuring cell