Hotplate Magnetic Stirrer LHST-A21 is a compact, tabletop device having magnetic stirrer with heating function, offers rotating speed of 100 to 1500 rpm. Designed with round glass ceramic top plate and octahedral stir bar provides maximum set temperature of 450˚ C. With USB port interface and timer, memory function for stirring speed and setting temperature, and high safety protection this device offers 20 L of capacity. Equipped with advanced microprocessor controlling system with 3 PID parameters set, infrared heating element, PT100 temperature sensor and PT100 sensor holder provides quick heating with stable temperature. LCD digital display with knob control, corrosion resistant sealed casing with isolated critical parts design and drainage above control boards ensures convenient and hassle-free usage.

Capacity20 L
Top plate shapeRound
Top plate materialGlass ceramic
Top plate dimensionsФ135 mm
High temperature protection10° to 50° C (adjustable)
Maximum set temperature (Hot plate)450° C (continuous)
Maximum set temperature (with PT100)300° C
Safety temperature50 to 500° C (adjustable)
Temperature stability (with PT100)±2° C
Stirring speed range100 to 1500 rpm
Timer1 to 1999/min; continuous
Stir barOctahedral stir bar
MotorDC brushless motor
Heating elementInfrared heating element
Motor power12 W
Heating capacity800 W
DisplayLCD digital display
ControllerMicroprocessor
PID parameters3 sets
Temperature sensorPT100 with PT100 sensor holder
Control panelRotating knobs
Memory functionStirring speed and setting temperature
Safety Protection systemOverheating, Flashing high temperature indicator, warning for hurt by touch
SealingHermetically sealed from above
Corrosion resistanceYes
Chemical resistanceYes
DrainYes (above control board)
Interface and communicationUSB; USB (COM)
Power supply221 to 240 V/50 to 60 Hz
Dimensions (W×D×H)460×340×240 cm
Weight8 kg
  • Advanced microprocessor controlling system with PID parameters set, PT100 temperature sensor and PT100 sensor holder
  • Octahedral Stir Bar for efficient stirring
  • Accurate solution temperature in general range
  • Bright and clear LCD digital display with memory of the last working parameters
  • Ceramic glass top plate with infrared heating element
  • Sealed outer shell and isolated critical parts design with drainage above control board
  • Knob control with high safety protection
  • Memory function for stirring speed and setting temperature
  • Corrosion and chemical resistant
  • Rapid heating speed with safety temperature protection system
  • USB interface with communication
  • Reliable, stable and hermetically sealed guarantees long, hassle free and convenient usage
Hotplate magnetic stirrers are used for organic synthesis, extraction, analysis of oil products, pH-measurements, dialysis, soil suspending, preparing buffer solutions etc. across the field of chemical engineering, microbiology, pharmaceuticals, geology, scientific research, biotechnology, biochemistry etc.
Octahedral stir bar
PT100 Temperature sensor (Length: 170 mm; Diameter: 4 mm; Material: Stainless steel)
Holder and clamp for PT100 temperature sensor

Digital Hotplate Stirrer

Digital Hotplate Stirrer : Digital Hotplate Stirrer LDHS-A10

Digital Hotplate Stirrer LDHS-A10

  • Display mode
  • LED
  • Plate temperature
  • 0 °C ~ 500 °C
  • Safety temperature
  • 550 °C
Digital Hotplate Stirrer : Digital Hotplate Stirrer LDHS-A11

Digital Hotplate Stirrer LDHS-A11

  • Display mode
  • LCD
  • Plate temperature
  • 0 °C ~ 500 °C
  • Safety temperature
  • 50 °C ~ 550 °C
Digital Hotplate Stirrer : Digital Hotplate Stirrer LDHS-B10
Digital Hotplate Stirrer LDHS-B10
  • Display mode
  • LED
  • Plate temperature
  • 0 °C ~ 380 °C
  • Safety temperature
  • 370 °C
Digital Hotplate Stirrer : Digital Hotplate Stirrer LDHS-B11
Digital Hotplate Stirrer LDHS-B11
  • Display mode
  • LCD
  • Plate temperature
  • 0 °C ~ 380 °C
  • Safety temperature
  • 50 °C ~ 370 °C

Digital Hotplates

Digital Hotplates : Digital hotplate LDHP-A10

Digital hotplate LDHP-A10

  • Display mode
  • LED
  • Temperature range
  • 50 °C ~ 300 °C
  • Plate dimensions ( W x L )
  • 170 x 170 mm
Digital Hotplates : Digital hotplate LDHP-A11

Digital hotplate LDHP-A11

  • Display mode
  • LED
  • Temperature range
  • 50 °C ~ 300 °C
  • Plate dimensions ( W x L )
  • 320 x 320 mm
Digital Hotplates : Digital hotplate LDHP-A12
Digital hotplate LDHP-A12
  • Display mode
  • LED
  • Temperature range
  • 50 °C ~ 300 °C
  • Plate dimensions ( W x L )
  • 400 x 300 mm

Infrared Hotplate Stirrer

Infrared Hotplate Stirrer : Infrared Hotplate Stirrer LIHS-A10

Infrared Hotplate Stirrer LIHS-A10

  • Display mode
  • LCD
  • Plate temperature
  • 0 °C ~ 500 °C ( 24 steps )
  • Safety temperature
  • 550 °C ( fixed )
Infrared Hotplate Stirrer : Infrared Hotplate Stirrer LIHS-A11

Infrared Hotplate Stirrer LIHS-A11

  • Display mode
  • LCD
  • Plate temperature
  • 0 °C ~ 500 °C ( continuous )
  • Safety temperature
  • 50 °C ~ 550 °C ( adjustable )
Infrared Hotplate Stirrer : Infrared Hotplate Stirrer LIHS-B10
Infrared Hotplate Stirrer LIHS-B10
  • Display mode
  • LCD
  • Plate temperature
  • 550 °C
  • Rotating speed
  • 50 rpm ~ 1500 rpm

Infrared Hotplates

Infrared Hotplates : Infrared hotplate LIRH-A10

Infrared hotplate LIRH-A10

  • Display mode
  • LCD
  • Heating power
  • 1.2 kW
  • Time to boil 1 L H20
  • 10 mins
Infrared Hotplates : Infrared hotplate LIRH-A11

Infrared hotplate LIRH-A11

  • Display mode
  • LCD
  • Heating power
  • 1.8 kW
  • Time to boil 1 L H20
  • 7 mins
Infrared Hotplates : Infrared hotplate LIRH-A12
Infrared hotplate LIRH-A12
  • Display mode
  • LCD
  • Heating power
  • 1.8 kW
  • Time to boil 1 L H20
  • 7 mins

Magnetic Stirrers

Magnetic Stirrers : Magnetic Stirrer LMAS-A10

Magnetic Stirrer LMAS-A10

  • Mixing capacity
  • 3 L
  • Number of plates
  • 1
  • Plate dimension
  • 158 x 143 mm
Magnetic Stirrers : Magnetic Stirrer LMAS-A11

Magnetic Stirrer LMAS-A11

  • Mixing capacity
  • 2 L
  • Number of plates
  • 4
  • Plate dimension
  • 313 x 303 mm
Magnetic Stirrers : Magnetic Stirrer LMAS-A12
Magnetic Stirrer LMAS-A12
  • Mixing capacity
  • 2 L
  • Number of plates
  • 6
  • Plate dimension
  • 473 x 303 mm

Overhead Stirrer

Overhead Stirrer : Overhead stirrer LOSR-A10

Overhead stirrer LOSR-A10

  • Max. stirring capacity H₂O
  • 20 L
  • Speed range
  • 100 to 2500 rpm
  • Maximum torque
  • 40 ncm
Overhead Stirrer : Overhead stirrer LOSR-A11

Overhead stirrer LOSR-A11

  • Max. stirring capacity H₂O
  • 20 L
  • Speed range
  • 100 to 2500 rpm
  • Maximum torque
  • 40 ncm
Overhead Stirrer : Overhead stirrer LOSR-A12
Overhead stirrer LOSR-A12
  • Max. stirring capacity H₂O
  • 40 L
  • Speed range
  • 100 to 2500 rpm
  • Maximum torque
  • 40 ncm

Multi-Position Magnetic Stirrer

Multi-Position Magnetic Stirrer : Multi-Position Magnetic Stirrer LMMS-A10

Multi-Position Magnetic Stirrer LMMS-A10

  • Stirring Positions
  • 16
  • Max. Stirring Quantity
  • 0.4 L (each stirring position)
  • Max. Magnetic Bar
  • 40 mm
Multi-Position Magnetic Stirrer : Multi-position Hot Plate Magnetic Stirrer LMMS-A20

Multi-position Hot Plate Magnetic Stirrer LMMS-A20

  • Stirring Positions
  • 10
  • Max. Stirring Quantity
  • 0.4 L (each stirring position)
  • Max. Magnetic Bar
  • 40 mm
Multi-Position Magnetic Stirrer : Multi-position Hot Plate Magnetic Stirrer LMMS-A21
Multi-position Hot Plate Magnetic Stirrer LMMS-A21
  • Stirring Positions
  • 10
  • Max. Stirring Quantity
  • 0.4 L (each stirring position)
  • Max. Magnetic Bar
  • 40 mm
Multi-Position Magnetic Stirrer : Multi-position Hot Plate Magnetic Stirrer LMMS-A30
Multi-position Hot Plate Magnetic Stirrer LMMS-A30
  • Work plate Dimension
  • Φ137 mm
  • Work plate material
  • Enamel
  • Motor type
  • Brushless DC motor

Hotplate Magnetic Stirrer

Hotplate Magnetic Stirrer : Hotplate Magnetic Stirrer LHST-A10

Hotplate Magnetic Stirrer LHST-A10

  • Maximum Volume
  • 5000 ml
  • Speed
  • 100 to 2000 rpm
  • Minimum Revolution
  • 100 rpm
Hotplate Magnetic Stirrer : Hotplate Magnetic Stirrer LHST-A11

Hotplate Magnetic Stirrer LHST-A11

  • Maximum Volume
  • 2000 ml
  • Speed
  • 100 to 2000 rpm
  • Minimum Revolution
  • 100 rpm
Hotplate Magnetic Stirrer : Hot plate Magnetic Stirrer LHMS-A13
Hot plate Magnetic Stirrer LHMS-A13
  • Mode
  • Digital + Heating + Stirring
  • Speed
  • 200 rpm to 2000 rpm
  • Plate size
  • 190 × 190 mm
Hotplate Magnetic Stirrer : Hot plate Magnetic Stirrer LHMS-A14
Hot plate Magnetic Stirrer LHMS-A14
  • Mode
  • Digital + Heating + Stirring
  • Speed
  • 200 rpm to 2000 rpm
  • Plate size
  • 190 × 190 mm