Dissolved Oxygen Measurement Controller Comparison

Digital Model 10 Dual Digital Model 20 Polarising Circuit Combined Polarising Circuit and Readout Meter
Meter Type Digital Digital Not included Analogue
Meter Resolution 0.1% saturation 0.1% saturation Not applicable 2% saturation
Polarising Voltage 0–1 V 0–1 V 0–1.5 V 0–1.5 V
Electrode Sockets 1 × DIN 2 × DIN 1 × DIN 1 × DIN
Output Sockets 1 × BNC (0–1 V) 2 × BNC (0–1 V) 1 × DIN (0–30 mV) 1 × DIN (0–30 mV)
Stirring 120 to 1200 rpm 120 to 1200 rpm Not included Not included
Power Supply AC 110–120 V and AC 220–240 V versions available AC 110–120 V and AC 220–240 V versions available 1 × C type battery (supplied) 1 × C type and 2 × PP3 type batteries (supplied)
Size 230 mm (width)
× 300 mm (depth)
× 200 mm (height)
230 mm (width)
× 300 mm (depth)
× 200 mm (height)
200 mm (width)
× 120 mm (depth)
× 70 mm (height)
280 mm (width)
× 170 mm (depth)
× 70 mm (height)
Weight 2.5 kg 2.9 kg 0.8 kg 1.4 kg

Rank Brothers Ltd reserves the right to change specifications in the light of continuing development.

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