Dimens 68000 Polarographic Dissolved Oxygen Controller

Dimens 6800O: Elevating Dissolved Oxygen Control

Dimens 6800O is a dynamic companion to our Dimens 420 polarographic dissolved oxygen sensor. Continuously monitor water's dissolved oxygen with precision, NTC automatic temperature compensation, and versatile panel installation, adapting to diverse weather conditions and complex industrial settings.

Applications:

• Wastewater Treatment
• Surface Water
• Aquaculture

Features:

• Cutting-edge power input for robust performance
• Flame-retardant plastic casing for a premium touch
• Illuminated large-screen LCD displays measurements, temperature, and relay status
• Intuitive Chinese/English menu simplifies operation
• Password protection ensures authorized access
• Streamlined calibration minimizes operational errors
• NEMA4X/IP65 protection, supports various installation methods
• Dual relay outputs for High/Low thresholds
• Automated cleaning relay output
• Dual 4-20mA current channels/RS485 Modbus output
• Convenient factory settings restoration with a single click

Technical Data

• Measurement Parameters
• Dissolved Oxygen (DO):
• Range: 0 - 20.00 ppm
• Range: 0 - 200%
• Temperature:
• Range: 0 - 130 ºC
• Input
• Measuring Sensor: Dimens 420 polarographic dissolved oxygen sensor
• Temperature Probe: NTC-10K
• Output
• Analog Output 1:
  4-20 mA isolated current output for DO, adjustable for any part of the measuring scale
  
• Load Capacity: Max 600Ω
  
• Analog Output 2:
  4-20 mA isolated current output for Temperature (TEMP.), adjustable for any part of the measuring scale
  
• Load Capacity: Max 600Ω
  Relay 1 & 2 (Alarm)
  
• Operation: ON/OFF
  
• Selectable Actions: High / Low
  
• Set Points: High/10.00 ppm; Low/4.00 ppm (adjustable)
  
• Hysteresis: 0.01 ppm (adjustable)
  
• Relay Contacts: 5A/250VAC; 5A/30VDC
  Relay 3 (Washing Relay)
  
• Wash Interval: 0.1~1000 hours
  
• Wash Time: 1~1000 seconds
  
• Relay Contacts: 5A/250VAC; 5A/30VDC
  
• Interface
  RS 485 Modbus RTU
  
• Baud Rate: 9600 bps
  
• Data Format: 8 bit

General Information

• Power Supply: 90 - 260V AC, 50/60Hz; 24VDC (Optional)
• Operating Temperature: 0 - 60 ºC
• Storage Temperature: -20 - 70 ºC
• Humidity: Max. 90% rH at 40ºC (non-condensing)
• LCD Screen: Large crystal display with white backlight
• Language: Chinese / English
• Passcode: Set mode - 0022, Calibration mode - 0011
• Protection Grade: IP65
• Dimensions: 144 * 144 * 110mm
• Installation: Wall/Pipe/Panel Mounting
• Panel Cut Size: 138 * 138mm
• Weight: 0.85Kg