Hotplate Magnetic Stirrer LHST-A23

Hotplate Magnetic Stirrer LHST-A23 is a compact, table-top hotplate stirrer device offers 20 L of capacity with square ceramic glass top plate and Octahedral stir bar having maximum set temperature of 450˚ C with stirring range of 100 to 1500 rpm respectively. Featuring 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. Incorporated advanced microprocessor controlling system with 3 PID parameters set and standard PT100 temperature sensor provides quick heating with stable temperature. DC brushless motor along with new enhanced infrared heating element, memory function and high safety protection ensures reliability and stability with easy usage.

Capacity 20 L
Top plate shape Square
Top plate material Glass ceramic
Top plate dimensions (L×B) 180×180 mm
Maximum set temperature (Hot plate) 450° C
Maximum set temperature (with PT100) 300° C
Safety temperature 50° to 500° C (adjustable)
Temperature stability (with PT100) ±2° C
High temperature protection 10° to 50° C (adjustable)
Stirring speed range 100 to 1500 rpm
Timer 1 to 1999/min; continuous
Stir bar Octahedral stir bar (can change acc. to user requirement)
Motor DC brushless motor
Heating element Infrared heating element
Motor power 12 W
Heating capacity 1000 W
Display Large LCD display
Controller Microprocessor
PID parameters 3 sets
Temperature sensor PT100
Control panel Rotating knobs
Memory function Stirring speed and setting temperature
Safety Protection system Flashing high temperature indicator, warning for hurt by touch; Overheating
Sealing Hermetically sealed from above
Corrosion resistance Yes
Chemical resistance Yes
Temperature shock resistance ≥700˚ C
Drain Yes (above control board)
Interface and communication USB; USB (COM)
  • Advanced microprocessor controlling system with 3×PID parameters set and PT100 temperature sensor
  • Accurate solution temperature within ±1˚ C in general range
  • Octahedral Stir Bar for efficient stirring
  • Bright and clear LCD digital display with memory of the last working parameters
  • Square 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
  • Corrosion resistant, chemical resistant and temperature shock resistant (≥700˚ C)
  • Rapid heating speed with safety temperature and over heat protection
  • 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 etc.

Mode Digital + Heating + Stirring
Speed 200 rpm to 2000 rpm
Plate size 190 × 190 mm
Maximum volume 5000 ml
Work plate Dimension 184 × 184 mm (7 inch)
Work plate material Glass ceramic coating
Motor type Brushless DC motor
Motor rating input 18 W
Capacity 20 L
Top plate shape Round
Top plate material Glass ceramic
Top plate dimensions Ф135 mm
Maximum Volume 2000 ml
Speed 100 to 2000 rpm
Minimum Revolution 100 rpm
Maximum Temperature 380°C
Maximum Volume 5000 ml
Speed 100 to 2000 rpm
Minimum Revolution 100 rpm
Maximum Temperature 380°C
Capacity 20 L
Top plate shape Round
Top plate material Glass ceramic
Top plate dimensions Ф135 mm
Mode Digital + Heating + Stirring
Speed 200 rpm to 2000 rpm
Plate size 190 × 190 mm
Maximum volume 5000 ml
Display mode LED
Plate temperature 0 °C ~ 500 °C
Safety temperature 550 °C
PID parameters 1 set
Display mode LCD
Plate temperature 0 °C ~ 500 °C
Safety temperature 50 °C ~ 550 °C
PID parameters 2 set
Display mode LED
Plate temperature 0 °C ~ 380 °C
Safety temperature 370 °C
PID parameters 1 set
Display mode LCD
Heating power 1.8 kW
Time to boil 1 L H20 7 mins
Heating zone ᴓ 190 mm
Display mode LCD
Heating power 1.8 kW
Time to boil 1 L H20 7 mins
Heating zone ᴓ 190 mm
Display mode LCD
Heating power 1.2 kW
Time to boil 1 L H20 10 mins
Heating zone ᴓ 155 mm
Stirring Positions 16
Max. Stirring Quantity 0.4 L (each stirring position)
Max. Magnetic Bar 40 mm
Speed Range 0 to 1100 rpm
Stirring Positions 10
Max. Stirring Quantity 0.4 L (each stirring position)
Max. Magnetic Bar 40 mm
Speed Range 0 to 1100 rpm
Stirring Positions 10
Max. Stirring Quantity 0.4 L (each stirring position)
Max. Magnetic Bar 40 mm
Speed Range 0 to 1100 rpm
Display mode LED
Temperature range 50 °C ~ 300 °C
Plate dimensions ( W x L ) 400 x 300 mm
Power 1500 W
Display mode LED
Temperature range 50 °C ~ 300 °C
Plate dimensions ( W x L ) 170 x 170 mm
Power 680 W
Display mode LED
Temperature range 50 °C ~ 300 °C
Plate dimensions ( W x L ) 320 x 320 mm
Power 1000 W
Display mode LCD
Plate temperature 0 °C ~ 500 °C ( continuous )
Safety temperature 50 °C ~ 550 °C ( adjustable )
PID parameters 2 set
Display mode LCD
Plate temperature 0 °C ~ 500 °C ( 24 steps )
Safety temperature 550 °C ( fixed )
PID parameters 1 set
Display mode LCD
Plate temperature 550 °C
Rotating speed 50 rpm ~ 1500 rpm
Solvent temperature 40 °C ~ 300 °C