Digital Hot Plate / Stirrer WH420

Model: WH420
Order NO.: 400315

Description:

• Advanced microprocessor system: Ensures reliable operation and temperature stability.
• LED display: Bright, clear display for real-time temperature, stirring speed, working time, and safety temperature.
• Memory function: Stores stirring speed and temperature settings for repetitive experiments.
• Liquid drainage system: Prevents liquids from reaching the control board, protecting the system.
• Pt100 temperature sensor: Allows precise temperature control within ±1°C.
• Sealed design: Enhances durability in harsh lab environments.
• Safety features: Hot-top indicator lights up when plate temperature exceeds 60°C for user protection.

Features:

• Standard PT100 temperature sensor: Accurate solution temperature control.
• Ceramic top plate: Resistant to acids, bases, and organic solvents.
• LED display: Simultaneous display of temperature and speed, with memory of last working parameters.
• Safety protection: Flashing high-temperature warning.
• Liquid drainage: Prevents splashes on the touch board.

Specifications:

• Model: WH420
• Order No.: 400315
• Number of stirring positions: 4
• Max temperature setting [℃]: 300
• Max temperature setting with E-sensor [℃]: 300
• Safety temperature [℃]: 370
• Temperature stability with E-sensor [℃]: ±1
• Total heating output [W]: 1000
• External temperature sensor: Pt100
• PID parameter: 1 set
• Speed setting range [rpm]: 150~1500
• Max stirring quantity [L / H2O]: 2
• Temperature and speed display: LED
• Temperature and speed setting: Turning knob
• Time setting: 1~9959 min / continuous
• Top plate material: Aluminum coated with ceramic
• Top plate dimensions [mm]: (160×155) x4
• RS232 interface: Yes
• Dimensions (W x D x H) [mm]: 405x320x80
• Weight [kg]: 8.5
• Power supply: 220V/50Hz

Package Includes:

• Hot plate / stirrer
• Thermocouple sensor PT100-01 with holder and clamp
• 4 or 6 stirrer bars (Order No. 1.230.8)