Hotplate Magnetic Stirrer LHST-A21

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.

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Capacity 20 L
Top plate shape Round
Top plate material Glass ceramic
Top plate dimensions Ф135 mm
High temperature protection 10° to 50° C (adjustable)
Maximum set temperature (Hot plate) 450° C (continuous)
Maximum set temperature (with PT100) 300° C
Safety temperature 50 to 500° C (adjustable)
Temperature stability (with PT100) ±2° C
Stirring speed range 100 to 1500 rpm
Timer 1 to 1999/min; continuous
Stir bar Octahedral stir bar
Motor DC brushless motor
Heating element Infrared heating element
Motor power 12 W
Heating capacity 800 W
Display LCD digital display
Controller Microprocessor
PID parameters 3 sets
Temperature sensor PT100 with PT100 sensor holder
Control panel Rotating knobs
Memory function Stirring speed and setting temperature
Safety Protection system Overheating, Flashing high temperature indicator, warning for hurt by touch
Sealing Hermetically sealed from above
Corrosion resistance Yes
Chemical resistance Yes
Drain Yes (above control board)
Interface and communication USB; USB (COM)
Power supply 221 to 240 V/50 to 60 Hz
Dimensions (W×D×H) 460×340×240 cm
Weight 8 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.

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Digital Hotplate Stirrer

Digital Hotplate Stirrer : Digital Hotplate Stirrer LDHS-A10
Display modeLED
Plate temperature0 °C ~ 500 °C
Safety temperature550 °C
Digital Hotplate Stirrer : Digital Hotplate Stirrer LDHS-A11
Display modeLCD
Plate temperature0 °C ~ 500 °C
Safety temperature50 °C ~ 550 °C
Digital Hotplate Stirrer : Digital Hotplate Stirrer LDHS-B10
Display modeLED
Plate temperature0 °C ~ 380 °C
Safety temperature370 °C

Digital Hotplates

Digital Hotplates : Digital hotplate LDHP-A10
Display modeLED
Temperature range50 °C ~ 300 °C
Plate dimensions ( W x L )170 x 170 mm
Digital Hotplates : Digital hotplate LDHP-A11
Display modeLED
Temperature range50 °C ~ 300 °C
Plate dimensions ( W x L )320 x 320 mm
Digital Hotplates : Digital hotplate LDHP-A12
Display modeLED
Temperature range50 °C ~ 300 °C
Plate dimensions ( W x L )400 x 300 mm

Infrared Hotplate Stirrer

Infrared Hotplate Stirrer : Infrared Hotplate Stirrer LIHS-A10
Display modeLCD
Plate temperature0 °C ~ 500 °C ( 24 steps )
Safety temperature550 °C ( fixed )
Infrared Hotplate Stirrer : Infrared Hotplate Stirrer LIHS-A11
Display modeLCD
Plate temperature0 °C ~ 500 °C ( continuous )
Safety temperature50 °C ~ 550 °C ( adjustable )
Infrared Hotplate Stirrer : Infrared Hotplate Stirrer LIHS-B10
Display modeLCD
Plate temperature550 °C
Safety temperature

Infrared Hotplates

Infrared Hotplates : Infrared hotplate LIRH-A10
Display modeLCD
Heating power1.2 kW
Time to boil 1 L H2010 mins
Infrared Hotplates : Infrared hotplate LIRH-A11
Display modeLCD
Heating power1.8 kW
Time to boil 1 L H207 mins
Infrared Hotplates : Infrared hotplate LIRH-A12
Display modeLCD
Heating power1.8 kW
Time to boil 1 L H207 mins

Magnetic Stirrers

Magnetic Stirrers : Magnetic Stirrer LMAS-A10
Mixing capacity3 L
Number of plates1
Plate dimension158 x 143 mm
Magnetic Stirrers : Magnetic Stirrer LMAS-A11
Mixing capacity2 L
Number of plates4
Plate dimension313 x 303 mm
Magnetic Stirrers : Magnetic Stirrer LMAS-A12
Mixing capacity2 L
Number of plates6
Plate dimension473 x 303 mm

Overhead Stirrer

Overhead Stirrer : Overhead stirrer LOSR-A10
Max. stirring capacity H₂O20 L
Speed range100 to 2500 rpm
Maximum torque40 ncm
Overhead Stirrer : Overhead stirrer LOSR-A11
Max. stirring capacity H₂O20 L
Speed range100 to 2500 rpm
Maximum torque40 ncm
Overhead Stirrer : Overhead stirrer LOSR-A12
Max. stirring capacity H₂O40 L
Speed range100 to 2500 rpm
Maximum torque40 ncm

Multi-Position Magnetic Stirrer

Multi-Position Magnetic Stirrer : Multi-Position Magnetic Stirrer LMMS-A10
Stirring Positions16
Max. Stirring Quantity0.4 L (each stirring position)
Max. Magnetic Bar40 mm
Multi-Position Magnetic Stirrer : Multi-position Hot Plate Magnetic Stirrer LMMS-A20
Stirring Positions10
Max. Stirring Quantity0.4 L (each stirring position)
Max. Magnetic Bar40 mm
Multi-Position Magnetic Stirrer : Multi-position Hot Plate Magnetic Stirrer LMMS-A21
Stirring Positions10
Max. Stirring Quantity0.4 L (each stirring position)
Max. Magnetic Bar40 mm

Hotplate Magnetic Stirrer

Hotplate Magnetic Stirrer : Hotplate Magnetic Stirrer LHST-A10
Maximum Volume5000 ml
Speed100 to 2000 rpm
Minimum Revolution100 rpm
Hotplate Magnetic Stirrer : Hotplate Magnetic Stirrer LHST-A11
Maximum Volume2000 ml
Speed100 to 2000 rpm
Minimum Revolution100 rpm
Hotplate Magnetic Stirrer : Hotplate Magnetic Stirrer LHST-A20
Capacity20 L
Top plate shapeRound
Top plate materialGlass ceramic