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Description
- DO-6850 online Dissolved Oxygen Temperature Transmitting Controller is a micro computerized precision instrument.
- The large LCD display, English menu operation.
- Multi-parameter display at the same time: the value of dissolved oxygen, temperature, output current, alarm points, etc. Intuitive and easy to read, and alarm for range over run
- Screen displays alarm status and accompanied by a switch ON / OFF signal output.
- Automatic Temperature Compensation: Automatic 0 to 60.
- Communication function (optional): RS-485 communication interface (MODBUS protocol is partially compatible), 4 to 20 mA current output corresponding to the DO value can be set freely.
- Notepad: can store 50 measurements, the user can record measurement data.
- Hysteresis amount can be set freely to avoid frequent switching relay action.
- Watchdog function: to ensure that the instrument will not crash.
- Core devices from famous foreign brands.
- Restore the factory settings. Power-down protection> 10 years.
Main Technique Specifications
| Function Model | DO-6800A, B, C online Dissolved Oxygen Temperature Transmitting Controller |
| Measuring Range | 0.00 - 20.00 mg /L (ppm) 0 - 200.0 ug /L (ppb), (optional) 0-60°C, 0-100°C (optional) |
| Resolution | 0.1 ug/L 0.01 mg/L 0.1°C |
| Accuracy | ug/L: ¹1.0%FS; mg/L:¹0.5%FS; ¹0.3°C |
| Display | Large Screen Multi-parameters LCD |
| Temp. Compensation | NTC 10K, 0.0°C-60.0 °C, 0-100°C (optional). Automatic temperature compensation |
| Current output | isolation to protect, 4 ~ 20mA signal output |
| Control output | two sets of ON / OFF relay contacts, divided into the high point, low alarm signal, optically isolated output. |
| Communication output | Standard Modbus RS485 function to PC (optional) |
| Contact capacity | 10A/220V AC (Resistive Load) |
| Output load | load 500ÎĐ (0-10mA), load <750ÎĐ (4-20mA) |
| Power | AC 220VÂą10%, 50/60Hz |
| Working environment | Ambient Temp. 0-60°C, Relative Humidity 90% |
| Dimensions | 96Ã96Ã115mm(H X W X D), 0.9kgs |
| Hole size | 91Ã91mm (H X W) |
| Installation Mode | Panel Mounted |
| Protection grade | IP57 or IP 65 cover |
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