Assay Equipment Accessories & Consumables
Digital Display Hot Plate Laboratory Electric Heating Plate
Item Number : KT-RBA
Price varies based on specs and customizations
- Maximum Operating Temperature
- ≤ 380 °C
- Working Surface Dimensions
- Up to 600 × 400 mm
- Temperature Control Architecture
- Intelligent Dual-Sensor Digital PID / Stepless Voltage Regulation
Shipping:
Contact us to get shipping details Enjoy On-time Dispatch Guarantee.
Why Choose Us
Easy ordering process, quality products, and dedicated support for your business success.
Product Overview


This digital display hot plate is an industrial-grade thermal processing platform engineered to deliver uniform, flameless surface heating for demanding laboratory and manufacturing operations. Built with a fully enclosed heating bed and high-density element layout, this equipment eliminates exposed electrical filaments, preventing open-flame ignition risks while accelerating thermal transfer across the entire working zone. The system provides laboratory personnel and process technicians with a dependable, flat-plane heating source capable of maintaining consistent temperatures up to 380°C.
Designed for rigorous chemical and physical testing environments, the unit serves as an indispensable workhorse across industrial and mining laboratories, clinical diagnostics, pharmaceutical development, biochemical research, and academic institutions. Its expansive heating platform accommodates diverse laboratory vessels—including beakers, Erlenmeyer flasks, evaporating dishes, and flat substrate trays—supporting operations such as wet acid digestions, sample preheating, moisture evaporation, polymer curing, and routine reagent incubation.
Engineered to withstand aggressive operational conditions, the equipment features a heavy-gauge stamped cold-rolled steel chassis treated with an electrostatically applied protective coating. Combined with a corrosion-resistant stainless steel or cast steel top plate and advanced dual-sensor temperature monitoring, this system guarantees long-term dimensional stability, high chemical resistance, and repeatable thermal equilibrium under high-throughput testing schedules.
Key Features
- Flameless Enclosed Heating Bed: The fully sealed internal heating plate architecture completely encloses electrical elements, eliminating open flames, accelerating thermal ramp times, and providing exceptional operator safety in volatile laboratory environments.
- Dual-Sensor Closed-Loop Temperature Architecture: Intelligent digital models incorporate dual thermal sensors that can monitor either the top plate surface or directly read internal liquid and material temperatures, preventing thermal overshoot and safeguarding heat-sensitive compounds.
- Flexible Microprocessor Digital PID and Stepless Control: Available with intelligent digital instrumentation for precise, intuitive closed-loop temperature programming or electronic voltage regulators for smooth, stepless thermal power adjustments.
- Rugged Cold-Rolled Steel Housing: The external chassis is precision die-stamped from heavy-gauge cold-rolled sheet steel and finished with an industrial electrostatic coating to resist corrosive acid vapors, solvents, and mechanical impacts.
- Corrosion-Tolerant High-Conductivity Top Plates: Offered with premium stainless steel or heavy cast steel heating surfaces treated with anti-corrosion passivation, preventing planar warpage and maintaining thermal flatness under prolonged thermal cycling.
- Expansive High-Capacity Planar Footprints: Heating platforms extend up to 600 mm × 400 mm, providing ample usable surface area for simultaneous batch testing of multiple reaction vessels, digestion tubes, or large substrate plates.
- High-Density Power Output up to 3.0 kW: High-output heating configurations deliver rapid heat-up rates on standard 220V laboratory electrical circuits, minimizing turnaround time between sample preparation and testing cycles.
- Multi-Layer Internal Thermal Insulation: High-performance thermal barriers isolate the internal heating elements from the lower chassis, keeping control electronics cool, protecting benchtop surfaces, and lowering operational power consumption.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Wet Chemical Acid Digestion | Dissolution of geological, environmental, metallurgical, and soil samples using concentrated nitric, hydrochloric, or sulfuric acids in analytical labware. | Anti-corrosion top plate treatments and enclosed flameless heating resist aggressive acid fumes and prevent explosive vapor ignition. |
| Biochemical Reagent Incubation | Controlled thermal maintenance of biological buffers, culture media, and enzymatic reaction solutions requiring steady, prolonged warming. | Dual-sensor precision prevents localized hot spots, ensuring delicate protein matrices and biological compounds avoid thermal degradation. |
| Polymer Curing & Material Testing | Planar baking and drying of thin-film coatings, structural adhesives, semiconductor photoresists, and composite specimens. | Highly uniform plate surface temperature ensures consistent polymer cross-linking and dimensional stability across broad substrate areas. |
| Pharmaceutical QA & Formulation | Solvent evaporation, active pharmaceutical ingredient (API) extraction, and dissolution beaker heating under controlled thermal conditions. | Digital display PID control guarantees repeatable, auditable setpoints conforming strictly to pharmaceutical testing standards. |
| Metallurgical Component Preheating | Thermal expansion, gentle annealing, and uniform preheating of precision metal dies, bearings, and structural weld coupons prior to processing. | High-output heating up to 380°C transfers rapid conductive heat into dense metallic parts, establishing uniform thermal equilibrium. |
| Gravimetric Moisture Determination | Desiccation, baking, and routine drying of chemical precipitates, solid minerals, and glassware across high-volume analytical labs. | Spacious flatbed platform accommodates dense arrays of porcelain crucibles and glass weighing bottles for simultaneous high-throughput processing. |
Technical Specifications
| Specification Parameter | KT-RBA-ML-1.5 | KT-RBA-ML-2 | KT-RBA-ML-3 | KT-RBA-SKML-1.5 | KT-RBA-SKML-2 | KT-RBA-SKML-3 |
|---|---|---|---|---|---|---|
| Control System Architecture | Electronic Voltage Regulation (Stepless) | Electronic Voltage Regulation (Stepless) | Electronic Voltage Regulation (Stepless) | Intelligent Digital Meter (PID Microprocessor) | Intelligent Digital Meter (PID Microprocessor) | Intelligent Digital Meter (PID Microprocessor) |
| Temperature Sensing Method | Internal Base Plate Regulation | Internal Base Plate Regulation | Internal Base Plate Regulation | Dual Sensor (Plate Surface & Direct Material Measurement) | Dual Sensor (Plate Surface & Direct Material Measurement) | Dual Sensor (Plate Surface & Direct Material Measurement) |
| Heating Plate Dimensions (mm) | 400 × 280 | 450 × 350 | 600 × 400 | 400 × 280 | 450 × 350 | 600 × 400 |
| Operating Temperature Range | Ambient to ≤ 380 °C | Ambient to ≤ 380 °C | Ambient to ≤ 380 °C | Ambient to ≤ 380 °C | Ambient to ≤ 380 °C | Ambient to ≤ 380 °C |
| Rated Heating Power (kW) | 0 to 1.5 (Adjustable) | 0 to 2.0 (Adjustable) | 0 to 3.0 (Adjustable) | 1.5 | 2.0 | 3.0 |
| Operating Voltage | AC 220V, 50 Hz | AC 220V, 50 Hz | AC 220V, 50 Hz | AC 220V, 50 Hz | AC 220V, 50 Hz | AC 220V, 50 Hz |
| External Dimensions (W × D × H mm) | 400 × 280 × 200 | 450 × 350 × 200 | 600 × 400 × 220 | 400 × 280 × 220 | 450 × 350 × 220 | 600 × 400 × 220 |
| Equipment Net Weight (kg) | 11.8 | 16.6 | 56.2 | 14.0 | 18.0 | 58.4 |
| Gross Shipping Weight (kg) | 12.8 | 17.8 | 58.4 | 15.0 | 19.2 | 60.6 |
| Plate Material Options | Stainless Steel / Cast Steel with Anti-Corrosion Treatment | Stainless Steel / Cast Steel with Anti-Corrosion Treatment | Stainless Steel / Cast Steel with Anti-Corrosion Treatment | Stainless Steel / Cast Steel with Anti-Corrosion Treatment | Stainless Steel / Cast Steel with Anti-Corrosion Treatment | Stainless Steel / Cast Steel with Anti-Corrosion Treatment |
| Housing Construction | Cold-Rolled Stamped Steel with Electrostatic Powder Coating | Cold-Rolled Stamped Steel with Electrostatic Powder Coating | Cold-Rolled Stamped Steel with Electrostatic Powder Coating | Cold-Rolled Stamped Steel with Electrostatic Powder Coating | Cold-Rolled Stamped Steel with Electrostatic Powder Coating | Cold-Rolled Stamped Steel with Electrostatic Powder Coating |
Technical Notes for Engineering Procurement:
- All variants are pre-wired for standard 220V, 50 Hz single-phase industrial laboratory power supplies. Dedicated circuit breakers are recommended for the 3.0 kW high-output models.
- Dual-sensor configurations within the KT-RBA-SKML series come equipped with an external auxiliary sensor port, permitting real-time temperature feedback from inside the vessel during sensitive chemical reactions.
- Top plate material selections should be guided by chemical compatibility: stainless steel provides optimal resistance to oxidizing acids and organic solvents, whereas heavy cast steel offers enhanced mechanical load resistance and long-term heat retention for heavy vessel arrays.
Why Choose This Product
- Superior Chemical and Mechanical Resilience: Constructed with die-stamped cold-rolled steel enclosures and specialized chemical-resistant top surface coatings, this equipment withstands daily exposure to harsh mineral acids, organic solvents, and mechanical abrasion without structural degradation.
- Direct-Immersion Dual-Sensor Feedback: Unlike standard open-loop heating surfaces that merely control plate temperatures, the dual-sensor design allows direct monitoring of the actual sample medium, eliminating guesswork and providing precise, auditable temperature records.
- Enhanced Laboratory Fire and Spark Safety: The enclosed heating architecture eliminates glowing wire coils and open ignition sources, significantly minimizing catastrophic risk in multi-use labs where volatile solvents, ethanol, or acetone vapors may be present.
- Scalable Across Analytical and Pilot Workflows: Offering working surface areas from compact 400 × 280 mm platforms up to massive 600 × 400 mm production-scale beds with outputs up to 3.0 kW, this product line standardizes benchtop heating across pilot facilities, research hubs, and QA departments.
Contact our technical engineering team today to receive a competitive quotation, request customized surface sizing, or discuss process integration for your facility.
Trusted by Industry Leaders
Product Datasheet
Digital Display Hot Plate Laboratory Electric Heating Plate
REQUEST A QUOTE
Our professional team will reply to you within one business day. Please feel free to contact us!
Related Products
Digital Display Electric Hot Plate Laboratory Heating Plate
Engineered for demanding laboratory environments, this digital display electric hot plate delivers rapid heating up to 380°C. Featuring dual sensors, intelligent control, and corrosion-resistant plates, it provides reliable thermal stability.
Adjustable Electric Hot Plate ML Benchtop Laboratory Heating Plate for Chemical Analysis and Thermal Testing
Engineered for demanding industrial and biochemical research laboratories our adjustable electric hot plate ML delivers precise uniform heating up to 380 C with corrosion resistant plates and dual sensor control for reliable chemical analysis and routine sample drying.
Automatic Laboratory Hot Press Machine with Heated Platens 200x200mm Program Control Dual Heating Plates
Streamline your laboratory workflow with our high precision automatic hot press featuring dual heated plates customizable multi stage program control and safety protection ensuring consistent sample preparation and polymer film processing for advanced scientific research applications.
Automatic Laboratory Hot Press Dual Plate Heating Sintering Compaction System 120x120mm
This automatic laboratory hot press combines high-precision hydraulic compaction with independent dual-plate heating up to 300°C, offering programmable multi-stage control and rapid water cooling to maximize efficiency and sample consistency in demanding research and industrial laboratory environments.
Enclosed Electric Furnace Laboratory Cast Iron Heating Plate
Engineered for high performance laboratory heating, this enclosed electric furnace features a rugged cast iron heating plate, corrosion resistant steel housing, and electronic temperature regulation to deliver dependable thermal precision across industrial, mining, healthcare, academic, and research applications worldwide.
Automatic Heated Hydraulic Press Machine with Heated Plates for Laboratory Hot Press
The Automatic High Temperature Heat Press is a sophisticated hydraulic hot press designed for efficient temperature control and product quality processing.
Automatic Heated Hydraulic Press Machine with Heated Plates for Laboratory Hot Press 25T 30T 50T
Efficiently prepare your samples with our Automatic Heated Lab Press. With a pressure range up to 50T and precise control, it's perfect for various industries.
30T 40T Split Automatic Heated Hydraulic Press Machine with Heated Plates for Laboratory Hot Press
Discover our split automatic heated lab press 30T/40T for precise sample preparation in material research, pharmacy, ceramics, and electronics industries. With a small footprint and heating up to 300°C, it's perfect for processing under vacuum environment.
Heated Hydraulic Press Machine with Heated Plates for Vacuum Box Laboratory Hot Press
The lab press for vacuum box is a specialized piece of equipment designed for laboratory use. Its main purpose is to press pills and powders according to specific requirements.
Manual Heated Hydraulic Press Machine with Heated Plates for Laboratory Hot Press
The Manual Heat Press is a versatile piece of equipment suitable for a variety of applications, operated by a manual hydraulic system that applies controlled pressure and heat to the material placed on the piston.
Laboratory Small Constant Temperature Heated Magnetic Stirrer Heater and Stirrer
The Laboratory Small Constant Temperature Heating Magnetic Stirrer is a versatile tool designed for precise temperature control and efficient mixing in various laboratory applications.
Automatic Laboratory Hot Press 400x400 mm with Programmable High Temperature and Hydraulic Force Control
This advanced automatic laboratory hot press features 400x400mm heated platens, 50-ton hydraulic force, and 500C programmable heating, engineered for precise powder metallurgy, advanced materials research, and demanding industrial quality control testing applications, delivering unparalleled reliability and process repeatability.
Heated Hydraulic Press Machine with Heated Plates Split Manual Laboratory Hot Press
Efficiently prepare your samples with our Split Manual Heated Lab Press. With a pressure range up to 40T and heating plates up to 300°C, it's perfect for various industries.
24T 30T 60T Heated Hydraulic Press Machine with Heated Plates for Laboratory Hot Press
Looking for a reliable Hydraulic Heated Lab Press? Our 24T / 40T model is perfect for material research labs, pharmacy, ceramics, and more. With a small footprint and the ability to work inside a vacuum glove box, it's the efficient and versatile solution for your sample preparation needs.
Heated Hydraulic Press Machine with Integrated Manual Heated Plates for Lab Use
Efficiently process heat-pressing samples with our Integrated Manual Heated Lab Press. With a heating range up to 500°C, it's perfect for various industries.
Double Plate Heating Press Mold for Lab
Discover precision in heating with our Double Plate Heating Mold, featuring high-quality steel and uniform temperature control for efficient lab processes. Ideal for various thermal applications.
DL Series Universal Electric Furnace Multi Position Benchtop Heating Unit
Designed for demanding industrial and laboratory environments this DL series universal electric furnace provides reliable electronic temperature control robust powder coated steel housing and flexible multi position heating configurations to ensure consistent repeatable thermal processing across all testing applications.
Lab Infrared Press Mold
Easily release samples from our lab infrared press mold for accurate testing. Ideal for battery, cement, ceramics, and other sample preparation research. Customizable sizes available.
Fully Automatic Heated Hydraulic Lab Press for Materials Sintering and Sample Preparation
This fully automatic heated hydraulic lab press provides precise temperature and pressure control up to 25 tons. Engineered for material science, sintering, and sample preparation, it features programmable multi-stage profiles, advanced dual-layer safety guards, and rapid water-cooling systems.
Electric Thermostatic Water Bath Laboratory Constant Temperature Heating Bath
Engineered for industrial laboratories, this electric thermostatic water bath delivers uniform heating up to 100 C with high accuracy, ensuring dependable sample distillation, concentration, drying, and routine thermal processing across analytical workstations.