Digital Constant Temperature Hot Plate
The digital consant temperature hot plate features good insulation performance, high safety, fast heating speed and elegant appearance. It is widely used for multi-sample heating in petroleum, chemical and other laboratory testing rooms. As a professional hot plate manufacturer, ETOOL has 10 years of R&D experience in digital constant temperature heating plates, earning trust from new and long-term customers. Customers are welcome to visit our factory for on-site inspection.
We achieve fully independent production without reselling third-party goods, so factory direct supply guarantees stable product quality and reliable after-sales service. Please contact us for quotations.
1. Main Specifications of ET-3030 (300×300mm)
| Item | Parameter |
|---|---|
| Model | ET-3030 |
| Power Supply | AC 220V, 50Hz |
| Max Power | 2100W |
| Heating Panel Size | 300×300×20mm ±1mm |
| Panel Material | 6061 Aluminum Alloy |
| Temperature Sensor | K-Type Thermocouple |
| Temperature Range | Ambient ~ 350℃ |
| Ambient Working Temperature | 0 ~ 40℃ |
| Temperature Stability | ±1~2% |
| Overall Dimension | 300(L) × 300(W) × 160(H) mm |
| Net Weight | Approx. 9kg |
General technical specs for stock models: 220V 50Hz; temperature range ambient ~ 350℃; control accuracy ±1~2%.
Available types: Integrated type (height 150mm), split type (height 65mm), high-temperature model (ambient ~ 450℃), ultra-high temperature model (ambient ~ 500℃), and non-metallic ceramic heating plate up to 950℃.
2. Full ET Series Standard Sizes
| Model | Heating Panel Size | Max Power | Net Weight |
|---|---|---|---|
| ET-100 | 100×100×20mm ±1mm | 400W | 3.5Kg |
| ET-200 | 200×200×20mm ±1mm | 800W | 4.5Kg |
| ET-300 | 300×200×20mm ±1mm | 1200W | 6Kg |
| ET-360 | 360×250×20mm ±1mm | 1500W | 7.5Kg |
| ET-400 | 400×300×20mm ±1mm | 2000W | 10Kg |
| ET-6030 | 600×300×20mm ±1mm | 2800W | 18Kg |
| ET-6040 | 600×400×20mm ±1mm | 3200W | 22Kg |
| ET-6050 | 600×500×20mm ±1mm | 3500W | 25Kg |
Custom non-standard sizes are available, with a lead time of 5~7 working days.
3. Product Advantages of ETOOL Heating Plates
- Original Yudian PID intelligent digital temperature controller with high precision, simple and safe operation.
- High-quality solid-state SSR relay with service life 100 times longer than ordinary contact relays.
- Multiple high-grade stainless steel heating tubes, easy to repair and low failure rate.
- Solid aluminum alloy panel with high thermal conductivity, fast heating and excellent temperature uniformity.
- Whole cabinet made of imported SUS304 stainless steel, no paint peeling or rusting under normal working conditions.

4. Application Fields
- Constant temperature heating for adhesive dispensing and encapsulation in all electronics industries.
- Soldering and rework of aluminum substrates in the LED industry.
- Core preheating for mold manufacturers.
- Sample baking, drying and thermal testing across all industrial sectors. Essential equipment for biology, genetics, medical health, environmental protection, biochemistry labs, analytical rooms and university research.
5. Operating Procedures
- Connect the power cord and turn on the main power switch. The green power indicator will stay on to indicate power supply.
- Turn on the heating switch. The red heating light stays solid during continuous temperature rise; when it flashes, the unit enters constant temperature mode with intermittent heating.
- After use, turn off the heating switch first. The green power light remains on as a warning that the equipment is still hot. Do not touch the panel. Wait at least 1 hour until the surface fully cools down before cutting off the main power.

6. Safety Notes
- Use 220VAC power with grounded three-prong socket and leakage protection switch.
- Only professional technicians may open the cabinet or modify internal wiring.
- Never touch the hot heating surface directly to avoid burns.
- Unplug the power cord if the unit will be idle for a long time.
- Do not block the side air intake vents of the cooling fan.
- Always unplug the power plug before replacing the fuse to prevent electric shock.

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