
Polarographic dissolved oxygen sensor
For water and wastewater treatment applications in dirty conditions
Specifications
| Inpro 6050 | |
| Measurement principle |
Amperometric / polarographic
(in accordance with the requirements of ISO 5814 and EN 25814)
|
| Working conditions | |
|
Permissible pressure range during measurement |
0.5…2 bar
(7.2…29 psi)
|
| Mechanical pressure resistance |
max. 2 bar
(max. 29 psi)
|
| Permissible temperature range during measuring |
0...60 °C
(32…140 °F)
|
| Mechanical temperature resistance of the sensor shaft |
0…60°C
32…140°F)
|
| Sensor performance | |
| Detection limit |
30 µg/l
[30 ppb]
|
| Accuracy in aqueous media |
≤±[1%+30 ppb]
|
|
Response time at 25°C (77°F) (air N2) |
t 98% < 90s |
| Design features | |
| Temperature compensation | automatic with built-in RTD |
| Cable connection (digital) | VarioPin (IP68) |
| Wetted O-rings | Silicone & Viton |
| O2 selective membrane material | PTFE/Silicone (reinforced with steel mesh) |
| Wetted sensor parts | Polyphenylene Sulfide (PPS) |
|
Surface roughness of wetted s / steel parts (EN1320:1996) |
- |
| Inner body |
value line
(integral)
|
| Cathode | platinum |
| Anode | Ag/AgCl |
| Certificates (MaxCert™) | |
| Quality (final inspection certificate) | yes |
| FDA/USP Class VI | - |
| Material certificate 3.1 | - |
| Surface finish certificate 2.1 | - |
| ATEX Certificate | - |