Thermoreactor – RD125


The Lovibond ® Thermoreactor is necessary to heat Tubes for certain tests. Heating these tubes is required for the chemical digestion of the samples.

It is used in the photometric determination of:

  • Chemical Oxygen Demand (COD) at 150°C
  • Total Organic Carbons (TOC) at 120°C
  • Total Phosphate at 100°C
  • Total Nitrogen 100°C
  • Total Chromium at 100°C

The required temperature and reaction time are programmed using the membrane keypad on the front of the reactor. The unit works at three different temperatures (100 / 120 / 150°C) and three different pre-set reaction times (30 / 60 / 120 minutes). When digestion is complete, the reactor automatically switches off and LED indication and short beep alarm.

The RD125 reactor is fitted with 24 holes for 16 mm diameter vials.

With the voltage switch on the back, you can switch from 220 V or 110 V.


Two years  
Technical data for COD-reactor RD 125
Holes in the aluminium block 24 holes, 16.2 mm approx. 0.2 mm
Selectable Temperature  100/120/150 degrees C
Probe Type Pt100 A class
Temperature stability approx. 1 degree C at the Pt100
Selected Time  30, 60, 120 minutes and 
continuous operation
Heating up  from 20 – 150 degrees C in 12 minutes
Regulation Microprocessor
Protection against overheating at the alu block at 190 degrees C
Environmental conditions 10 – 40 degrees C, max. 85% rel. humidity
Beeper max. 88 dB (Piezo Summer)
Power supply 

230 V/115 V / 50-60 Hz or 
115 V / 50-60 Hz

Power 550 W
Weight  3.9 kg
Dimensions (LxWxH) 248 x 219 x 171 mm
Approval CE


COD Reactor RD125

Additional information

Weight 3.90 kg


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