DHP4-550


DLAB LCD Ceramic Hotplate 550℃ 4-Inch Digital Heating Plate Timer 430W Lab Use

πŸ”₯ Professional 4-Inch LCD Ceramic Hotplate for Laboratory Heating

This digital LCD ceramic hotplate is designed for precise, safe, and reliable heating in laboratory and industrial environments. Featuring a high-quality glass ceramic plate, it offers excellent resistance to strong acids, alkalis, and high temperatures, making it ideal for demanding applications.

βš™οΈ Key Features

  • High Temperature Range: Room temperature up to 550℃ with 1℃ increments
  • Glass Ceramic Plate (4-inch): Corrosion-resistant, easy to clean, durable
  • LCD Display: Shows both real-time and set values for temperature and time
  • Timer Function: Adjustable from 1 min to 99h 59 min with auto shut-off
  • High Accuracy Control: Β±1℃ (<100℃) / Β±1% (>100℃)
  • External Sensor Support: PT1000 probe (Β±0.2℃ accuracy)
  • Residual Heat Warning: β€œHOT” alert above 50℃ (even after power off)
  • Dual Safety Circuits: Automatic shutdown for overheating, sensor failure, or system error
  • Safety Lock: Prevents accidental changes
  • Buzzer Alarm: Audible alert when timer ends or fault occurs
  • Waterproof Design: Raised edges and drainage prevent liquid damage
  • Remote Control: PC connection for external control

πŸ›‘οΈ Safety & Protection

  • Overheating protection up to 580℃ cutoff
  • Short-circuit automatic power cut-off
  • Continuous system monitoring
  • Fire-resistant full metal housing
  • Protection class: IP21

πŸ“Š Technical Specifications

  • Work Plate Size: 100 Γ— 100 mm (4 inch)
  • Temperature Range: RT – 550℃
  • Temperature Display Accuracy: 0.1℃
  • Heating Power: 410W (Total Power 430W)
  • Voltage: 100-120/200-240V，50/60Hz
  • Dimensions (WΓ—DΓ—H): 270 Γ— 175 Γ— 108 mm
  • Weight: 1.8 kg
  • Ambient Conditions: 5–40℃, ≀80% RH

πŸ§ͺ Applications

  • Chemical sample heating and preparation
  • Laboratory experiments and research
  • Pharmaceutical and biotech labs
  • Industrial and quality control processes
  • Education and academic laboratory use

πŸ“¦ Package Includes

  • LCD Ceramic Hotplate (4-inch)
  • Power Cable (US Plug 110V)
  • External Temperature Sensor (PT1000) (if included in set)
  • User Manual

πŸ’‘ Why Choose This Hotplate?

  • High precision temperature control for sensitive samples
  • Strong chemical resistance for harsh lab environments
  • Advanced safety system with multiple protections
  • Compact, durable, and easy-to-use design
  • Ideal for continuous and long-duration heating tasks 

Important Notice: 


Warranty period for up to 1 year after purchase. Our provider will provide online support. 

For all product maintenance during the warranty period, DLAB should provide free spare parts, while it should not include the occurred international freight cost. Spare parts should be charged according to the after-sales spareparts EXW price list for the products out of warranty period.


Failure caused by the following reasons should be regarded as out the warranty period

a. Improper products operations by customers

b. During experiment, there is liquid spilling into the product and damage the instrument

c. Products key parts are damaged or corroded by highly corrosive 

d. Product damage caused by improper transportation from the customer side


Our provider should provide some discount for new unit purchase if the products are out of warranty period while problems can’t be solved by maintenance because of technical upgrade from supplier side or other reasons.


Each Order Will Come With A Free Random MicroPipette As a Gift.