Used Knauer differential refractometer.
Contains reference and sample channels.
Temperature control is through an external unit, this unit is not included.
Technical specifications:
Voltage: 220V – 50Hz
Range: 0-128
Recorder output: 100mV
Integrator output: 1V
Dimensions (W) x (D) x (H): 24.5 x 29 x 13.5 cm
