D-Opto Specifications
This specification is for both The D-Opto Logger and
D-Opto Sensor. For more detailed information on the
individual units,
please use the links alongside.
Dissolved Oxygen
| Accuracy |
1% of reading or 0.02ppm , whichever is greater |
| Resolution |
0.01% Saturation, 0.001ppm |
| Range |
0.00 to 25.00 ppm |
| Repeatability |
0.01ppm |
| Response time |
90% in less than 60 seconds |
| Temperature |
compensated 0 to 50 Deg c |
| Sensor drift |
Less than 1% per year |
Temperature
| Accuracy |
+/- 0.1 Deg C |
| Resolution |
0.01 Deg C |
| Range |
0 to 50 Deg C |
Physical Specifications
| Probe dimensions |
48mm (1.89”) diameter, 156mm (6.173”) long |
| Logger dimensions |
48mm (1.89”) diameter, 220mm (8.66”) long |
| Probe construction |
Acetyl, stainless steel, cast epoxy |
| Ambient conditions |
-40 to 55 Deg C, 0 to 100% humidity, 0 to 10,000 feet |
| Pressure rating |
100 psi |
| Cable (sensor only) |
4 core, 20AWG, fully screened, EPDM sheath |
Electrical Specifications
| Power requirement |
Sensor : 8-15 V DC, 0.2 mA standby, 12mA during sampling
Logger: 1 x 9 volt alkaline battery (PP9) |
| Protection |
Reverse polarity, fully surge protected |
Communications Protocols
SDI-12 as standard and various digital or analogue output options.
User set address (0-9,A-Z).
Maximum transmission distance; 350 meters (to confirm)
RS232 communications between PC and interface board.
Why SDI-12 communications? Click here for more information
Optional configurations
- User select cable length
- LCD display
- D-Opto logger, fully self contained with on-board battery pack
- Standard pipe thread mounting clamp
- DO-Cal Kit; mobile field DO calibration kit
- Optical isolation interface
Note: Specification subject to change without notice
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