Nanjing Juge Environmental Technology Co., Ltd.
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Online COD BOD TOC Turbidity Controller
>>Features
• Dot-matrix LCD display
• Smart menu operation
• Multiple automatic calibration functions
• Versatile signal output options, 4-20mA, RS485
• Data recording & curve display
• Differential signal measurement mode for stable and reliable performance
• Manual/automatic temperature compensation
• Relay control switches
• High/low limits with hysteresis control
• Simultaneous display of main Parameter, temperature, and status on the same interface
• Password protection to prevent unauthorized operation
>>Technical Parameter
|
Controller Type |
98*98cm black and white version |
98*98cm colorful version |
144*144cm black and white version |
144*144cm colorful version |
|
Measurement Range (depends on electrode) |
COD:0.1～1500mg/L Temperature: -10.0 to 150.0°C |
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| Resolution |
COD:0.1/1mg/L； Temperature: 0.1°C |
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| Basic Error |
±5-10% (depends on sensor) Temperature: ±0.3°C |
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| Current Output |
0/4-20 mA (load resistance <750 Ω) 20-4 mA (load resistance <750 Ω) (1 channel standard, 2 channels optional) |
0/4-20 mA (load resistance <750 Ω) 20-4 mA (load resistance <750 Ω) |
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| Communication Output | RS485 MODBUS RTU | |||
|
Dual Relay Control Contacts |
2Sets 3A 250V AC, 3A 30V DC |
3Sets 5A 250V AC, 3A 30V DC |
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| Power Supply (optional) |
85-265 VAC ±10%, 50±1 Hz, ≤3W 9-36 VDC, ≤3W |
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| Historical Data |
NO |
NO |
Yes |
Yes |
| Data Trend Chart |
NO |
NO |
NO |
Yes |
| Dimensions | 98 × 98 × 130 mm | 144 × 144 × 118 mm | ||
| Installation | Panel-mounted or wall-mounted, Panel cutout: 92.5 × 92.5 mm | Panel-mounted or wall-mounted, Panel cutout: 137 × 137 mm | ||
| Protection Rating | IP65 | |||
| Weight | 0.6 kg | 0.8 kg | ||
|
Operating Environment |
Temperature: -10 to 60°C Humidity: ≤90% RH No strong magnetic interference except Earth’s natural field |
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