Operating instructions

2 OI/ADS430–EN Rev. A | Aztec ADS430 | Optical dissolved oxygen probe
Contents
1 Health & Safety ..........................................................3
1.1 Document symbols ...................................................... 3
1.2 Safety precautions ....................................................... 3
1.3 Potential safety hazards ............................................... 3
1.3.1 Aztec ADS430 probe – electrical ...................... 3
1.4 Safety standards .......................................................... 3
1.5 Product symbols .......................................................... 3
1.6 Product recycling and disposal (Europe only) ............... 3
1.7 Restriction of Hazardous Substances (RoHS) .............. 3
2 System overview .......................................................4
3 Installation ..................................................................5
3.1 Siting ........................................................................... 5
3.2 Probe dimensions ........................................................ 5
3.3 Storing the sensor cap ................................................. 5
3.4 Fitting the sensor cap .................................................. 5
3.5 Mounting / cleaning options ......................................... 6
4 Sensor setup – first-time installation ........................7
5 Sensor setup ..............................................................8
5.1 Sensor Setup ............................................................... 9
6 Calibration ................................................................11
6.1 Calibrate menu .......................................................... 11
6.2 1-Point calibration (water-saturated air) ...................... 12
6.3 2-Point calibration (100 % and 0 % saturation) ........... 14
6.4 Abort calibration ......................................................... 16
6.5 Calibration timings ..................................................... 16
6.5.1 Stability period ................................................ 16
6.5.2 Slow probe response ..................................... 16
6.6 Calibration troubleshooting –
slow sensor calibration or
no response to dissolved oxygen changes ................. 16
7 Maintenance ............................................................17
7.1 Cleaning the sensor cap ............................................ 17
7.2 Cleaning the optical lens ............................................ 17
7.3 Cleaning the probe body ............................................ 17
7.4 Diagnostic messages ................................................. 17
8 Specification ............................................................18
9 Spares and accessories ..........................................19
9.1 Spares ....................................................................... 19
9.2 Accessories ............................................................... 19
Acknowledgements ......................................................19