RET control-visc

PATENTED WORLD FIRST: Safety magnetic stirrer with heating and integrated balance. Clear, multilingual TFT display makes it easy to set all parameters.
Integrated temperature control feature enables connection of a temperature probe, placed directly in the medium, to control medium temperature with a high degree of precision. PT 1000 temperature sensor is included. The stainless steel composite hot plate, reaching a temperature of 340 °C, enables rapid heating.
RS 232 and USB interfaces enable pc control of the magnetic stirrer and documentation of all test parameters. “Lock” function prevents inadvertent changes of speed and temperature settings. As a safety feature, the current temperature is displayed when the unit is switched off but surface is still hot. Below 50 °C the display turns off automatically.

  • BNC socket for connection of a pH electrode
  • Adjustable temperature control mode: rapid heating and very accurate temperature control
  • Dual sensor for simultaneous control of heat transfer fluid temperature and medium temperature
  • Timer and countdown functions
  • Display of viscosity change trend
  • Detached magnet detection
  • Intermittent operation
  • Several modes of operation available
  • Safety circuit adjustable from 50 to 380°
  • Transparent protective cover included
  • Error code display for easy troubleshooting
  • Exact temperature and speed adjustment by means of digital display; even when function switched off
  • Suitable for unsupervised operation
  • Sealed casing (IP 42) ensures a long service life


Number of stirring positions 1
Stirring quantity max. per stirring position (H2O) 20 l
Motor rating output 9 W
Direction of rotation right
Speed display set-value TFT
Speed display actual-value TFT
Speed control Turning knob
Speed range 50 – 1700 rpm
Setting accuracy speed 10 rpm
Stirring bar length min. 20 mm
Stirring bar length max. 80 mm
Self-heating of the hotplate by max. stirring (RT:22°C/duration:1h) 28 +K
Heat output 600 W
Temperature display set-value TFT
Temperature display actual-value TFT
Temperature unit °C / °F
Heating temperature range Room temp. + device self heating – 340 °C
Heat control Turning knob
Temperature setting range min. 0 °C
Temperature setting range max. 340 °C
Temperature setting resolution of heating plate 0.1 K
Connection for ext. temperature sensor PT100/PT1000 (dual sensor)
Characteristics in the medium with temperature sensor 1l M50 Oil at H1500
Temperature medium max. 270 °C
Heating rate medium 7 K/min
Temperature setting resolution of medium 0.1 K
Adjustable safety circuit min. 50 °C
Adjustable safety circuit max. 380 °C
Set-up plate material stainless steel 1.4301
Set-up plate dimensions Ø 135 mm
Automatic reverse rotation no
Intermittend mode yes
Viscosity trend measurement yes
Break detection stirring bar yes
Timer yes
pH measurement yes
Graph function yes
Programs yes
Sensor in medium detection (Error 5) yes
Weighing function yes
Weighing range 10-5000 g
Weighing accuracy <500g : +/-1g , >500g: +/-5g
Load capacity weighing function max. 5 kg
Dimensions (W x H x D) 160 x 85 x 270 mm
Weight 2.7 kg
Permissible ambient temperature 5 – 40 °C
Permissible relative humidity 80 %
Protection class according to DIN EN 60529 IP 42
USB interface yes
RS 232 interface yes
Analog output no
Voltage 220 – 240 / 115 / 100 V
Frequency 50/60 Hz
Power input 650 W