Thermo Orion COD165 Thermoreactor

The Thermo Orion COD165 thermoreactor holds 25 round glass vials and is designed for sample preparation in determining COD, total phosphorus, total nitrogen, total chromium and other parameters in water and sludge analysis.


  • Will hold 25 round glass vials with 16mm external diameter
  • Temperature settings of 100, 120, 150, 160 and 165 degrees Celsius
  • Program for automatic shutoff with preset times of 30, 60, and 120 minutes
List Price $1,585.00
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The Thermo Orion COD165 thermoreactor holds 25 round glass vials and is designed for sample preparation in determining COD, total phosphorus, total nitrogen, total chromium and other parameters in water and sludge analysis. The Thermo Orion COD165 thermoreactor, paired with the Thermo Orion COD reagents and the Thermo Orion AQUAfast AQ4000 advanced colorimeter or Thermo Orion AQUAfast AQ2040 colorimeter, provides the user with a complete analytical setup for COD analysis. The Thermo Orion AQUAfast AQ3700 colorimeter also performs COD analysis, as well as nitrogen and phosphate digestion methods.

The COD165 thermoreactor is designed to be highly resistant to chemical and mechanical corrosion. The heating block that holds the COD vials allows for very good thermal homogeneity at the selected temperatures. The heating block is equipped with over-temperature protection by a thermostat, which turns off heating when the temperature exceeds 180 C.

The temperature of the heating block is microprocessor controlled. The Pt100 temperature probe does not require any calibration, because when the instrument is turned on, a self test is performed. The COD165 thermoreactor is equipped with a voltage selector for either 115 V or 230 V. Automatic selection of voltage from 90-260 V and frequency from 50-60 Hz with appropriate power cable for US/Canada, EU, and China (included).

The Thermo Orion COD165 thermoreactor offers additional digestion temperature ranges which meet the COD and other digestion method requirements around the world. The temperature settings are 100, 120, 150, 160 and 165 degrees Celsius. Ideal for environmental and wastewater monitoring

  • Samples: Up to 25 Digestion Tubes, 16mm diameter
  • Diameter of Holes: 16mm x 25mm
  • Selectable Temperatures: 100, 120, 150, 160 or 165 degrees Celsius
  • Selectable Times: 30, 60, 120 minutes or continuous
  • Safety Cover: Clear plastic, hinged to flip up for loading and unloading
  • During Time Count Signal: Visual
  • End of Cycle Signal: Acoustic
  • Set Temp less than Block Temp Error Signals: Visual and acoustic
  • Broken Temp Probe Alarm Signals: Visual and acoustic
  • Reaching of Set Temperature Signal: Acoustic
  • Thermoregulator: PID microprocessor
  • Over-temperature Protection: Yes, on the block
  • Precision: +/-0.2% end of scale
  • Temperature Probe: Pt100 class A
  • Temperature Probe Calibration: Automatic by software
  • Heating Block Temp Stability: +/-0.5 C
  • Heating Block Temp Homogeneity: +/-0.5 C
  • Heating Block Temp Precision: +/-1 C
  • Performance from 20 C to 150 C: 12 minutes
  • Power Supply: 90 to 260 V / 50 to 60 Hz, detected automatically
  • Power: 400 W
  • Weight: 3.6 kg
  • Dimensions (W x H x D): 155mm x 95mm x 275mm
  • (1) Thermo Orion COD165 thermoreactor
  • (3) Power cords for 110V US, 220V EU, and 230V China plug
  • (1) Operations man
Questions & Answers
Do I need to calibrate the temperature probe?
No, the Pt100 temperature sensor performs a self test when the instrument is turned on.
What reactants should I use?
The Thermo Orion COD165 can be used with the Orion AQUAfast COD reagents, listed under the accessories tab.
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