Hach ORBISPHERE 366 Series Basic User Manual page 8

3.6 Product overview
3.6.1 System layouts
Figure 1 3660EX instrument
1 Safe area
2 Hazardous area
3 3660EX instrument
4 Current output
Figure 2 3662EX instrument
1 Safe area
2 Hazardous area
3 Safety barrier
8 English
5 31xxxE or GA2800 ATEX sensor
(max. cable length: 1000 m)
6 Sample stream
7 32570E optional external
pressure sensor (max. cable
length: 1000 m)
8 Alarm output
4 3662EX instrument
5 31xxxE or GA2800 ATEX sensor
(max. cable length: 1000 m)
6 Sample stream
9 RS-232 or RS-485 output
10 Current output
11 Power supply
7 32570E optional external
pressure sensor (max. cable
length: 1000 m)
8 Current and voltage output
9 32854: 4/20 mA repeater