Online Polarographic DO Controller
JA-AN-DO300 is an online polarographic dissolved oxygen controller with a graphical LCD.
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Product Overview
JA-AN-DO300 is an online polarographic dissolved oxygen controller with a graphical LCD. Designed to resist interference in complex field environments. Outdoor water-resistant design supports wall, panel, or pipe mounting.
Features & Benefits
- Designed to resist interference in complex field environments.
- Outdoor water-resistant design supports wall, panel, or pipe mounting.
- Large dot-matrix LCD provides text menus and operating symbols.
- Backlight sensor supports automatic or manual backlight control.
- User-programmable menu interface.
- Programmable contact is provided for automatic electrode cleaning.
- Standard and communication variants with AC or DC power options.
- Password lock and key combinations restrict access to setup and calibration.
- RS485 output is available on specified communication variants.
- Two programmable 4–20 mA current outputs are available on specified variants.
Application Details
Technical Specifications
| Temperature Compensation | automatic compensation (Pt1000/NTC30K); manual compensation or compensation disabled |
|---|---|
| Pressure Compensation | manual, 0.500–2.500 bar or 7.25–36.25 psi |
| Salinity Compensation | manual, 0.0–45.0 ppt |
| Dimensions | 96 × 96 × 148(H × W × D) |
| Output Signal | 0/4-20mA; RS485 |
| Power Supply | 100V–260VAC, 50/60Hz; 16V–30VDC |
| Ambient Temperature | 0–50 °C |
| Relative Humidity | 5–85% |
| Oxygen Saturation Measurement | range 0.0–200.0%; resolution 0.1%; accuracy ±0.1% |
| Dissolved Oxygen Measurement | range 0.00–20.00 mg/L; resolution 0.01 mg/L; accuracy ±0.1% |
| Temperature Measurement | range -30.0–+130.0 °C; resolution 0.1 °C; accuracy ±0.2% (±1 digit) |
| Display | adjustable backlit dot-matrix LCD |
| IP Rating | IP65 with rear cover installed |
FAQ
What are the Dissolved Oxygen measurement specifications?
The Dissolved Oxygen measurement specifications are: range 0.00–20.00 mg/L; resolution 0.01 mg/L; accuracy ±0.1%.
What are the Oxygen Saturation measurement specifications?
The Oxygen Saturation measurement specifications are: range 0.0–200.0%; resolution 0.1%; accuracy ±0.1%.
What output signal is specified?
The specified output signal is 0/4-20 mA; RS485.
What dimensions are specified?
The specified dimensions are 96 × 96 × 148(H × W × D).
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