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LBT-X420 Electric Heating Constant-Temperature Forced-Air Industrial High-Temperature Explosion-Proof Oven

Name: LBT-X420 Electric Heating Constant-Temperature Forced-Air Industrial High-Temperature Explosion-Proof Oven
Brand: Laibote (Tianjin) Testing Machinery
Availability: InStock

This product employs recirculating air for constant‑temperature drying, featuring a high degree of智能化 and requiring no dedicated supervision. The temperature is intelligently self‑regulated by the user and can reach the desired level in the shortest possible time. Operating temperatures range from ambient up to the maximum setting, with users free to select any value within this range; once set, the built‑in automatic control system maintains a stable temperature. An electric blower is included to promote forced convection of hot air, ensuring more uniform indoor temperatures.

Category:

Environmental Testing Equipment

Keywords:

E-mail:

lbt@lbt.ltd

WhatsApp:

+86-15102211717

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LBT-X420 Electric Heating Constant-Temperature Forced-Air Industrial High-Temperature Explosion-Proof Oven

Description

Product Introduction:

This product employs recirculating air for constant‑temperature drying, featuring a high degree of智能化 and requiring no dedicated supervision. The temperature is intelligently self‑regulated according to user settings, achieving optimal drying performance in the shortest possible time. Operating temperatures can be set anywhere from room temperature up to the maximum limit, with the internal automatic control system maintaining a stable, consistent temperature once selected. Equipped with an electric blower, it promotes forced convection of hot air within the chamber, ensuring more uniform temperature distribution.

Technical Specifications:

Studio dimensions: mm		700×600×1000
Technical Specifications	Temperature range	RT+10℃～+300℃
	Fluctuation/Uniformity	±0.5℃/2±℃
	Heating rate	3°C/min nonlinearity
Enclosure material	Outer box material	Stainless steel
	Inner box material	304 premium stainless steel
	Insulation material	Ultra-fine thermal insulation cotton / Rigid polyurethane foam
	Box door seal	Double-layer, high- and low-temperature resistant, anti-aging, and hardening‑resistant refined silicone sealing strip
	With explosion-proof chain, explosion-proof port
Heat and cold exchange system	Controller	Imported Intelligent Temperature Control Instrument
	Controller	It features automatic P.I.D calculation with high precision.
	Temperature sensor	Platinum resistance PT100 Ω/mV
	Circulatory system	Low-noise, temperature-resistant motor; single‑stage circulation; extended shaft; stainless steel multi‑blade centrifugal impeller.
	Heating method	Isolated stainless steel heating tube
Timer function		0.1–999 (M)
Security device		Power leakage and over-temperature protection (with audible alerts), fast‑acting fuse
Power supply voltage		AC 380V·50HZ
Ambient operating temperature		15℃～＋30℃≤85％R.H

Equipment composition:

1. Equipment Items

Original imported Omron temperature controller (with an over-temperature indicator) and push-button control unit.

Running time: 0–999 minutes

Employing a high-power relay to control the heating assembly.

The temperature controller employs an imported P+I+D control method for temperature regulation and heating.

The entire machine’s control system employs an electromagnetic contactor design.

Digital display high-precision timer; the baking time at a set temperature is adjustable.

Multi-color indicator light that displays the oven’s operating status.

Equipped with over-temperature and bake-completion indicators, along with indicator lights and an alarm system.

Equipped with an over-temperature protector, it automatically shuts off heating in the event of abnormal overheating.

Fuse-free switch protection; automatically cuts power in case of abnormal overload.

2. Heating System

The cabinet is equipped with Taiwan-made nickel-chromium heating elements on both the left and right sides.

Blower: Centrifugal multi-blade fan

Air‑circulation method: One 2‑HP long‑shaft motor provides horizontal, lateral air circulation on both sides, ensuring uniform temperature distribution.

Heater: Vibration- and impact-resistant finned heater (nickel-chromium alloy)

Temperature sensor: PT100 resistance thermometer (dry-bulb)

3. Ventilation System

There is an 80 mm ventilation opening on each side, delivering excellent airflow.

V. Safety Devices

Over-temperature protector (protects the test specimen and the test chamber)

High-speed circuit protector (protects the heating circuit)

Motor (blower) overload thermal relay (protects the blower against overload)

Circuit breaker for motor protection

Auxiliary functions:

Timer function (automatic start and automatic stop)

Alarm Display Function

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FAQs

Do you supply full-set testing instruments for asphalt and geotechnical engineering projects?

We offer complete lab solutions including asphalt viscosity tester, asphalt rutting tester, geotextile permeability tester, low-temperature flexibility tester and concrete/cement test equipment, covering raw material detection for road, water conservancy and construction engineering projects

Can you customize fixtures or test machines based on our special test requirements? How about after-sales service and warranty?

We provide non-standard customization of test equipment and customized fixture clamps according to customers’ specimen size and test standards. All our testing machines enjoy 12-month factory warranty; overseas customers get remote online debugging guidance, spare parts supply and technical operation training. Our products have been exported to over 70 countries globally

Which materials can be measured by your Vicat softening point tester?

It measures heat deflection temperature and Vicat softening temperature of plastics, hard rubber, nylon, insulating materials and fiber-reinforced thermosetting composites. Intelligent temperature control guarantees precise heating rate, ideal for plastic raw material incoming inspection and formula development in plastic factories.

Does your pipe pressure burst testing machine control test temperature automatically? What’s its main application?

Yes, the constant-temperature circulating system keeps stable test environment during long-time hydrostatic resistance and instant burst pressure measurement of thermoplastic pipes. It complies with GB6111 standard and serves raw material inspection, new product R&D for plastic pipe manufacturers, third-party testing labs and university laboratories.

What kinds of pipes fit your ring stiffness tester? Can it do long-term creep testing?

This equipment is designed for HDPE, PVC corrugated pipes, plastic drainage pipes and various plastic tubular products. Apart from ring stiffness, ring flexibility and flattening tests, it supports continuous long-term creep tests up to 1000 hours (42 days) as required by industry specifications, widely used for pipe factories and construction quality inspection institutes.

What test items can your WDW series computer-controlled electronic universal testing machine complete? Which international standards can it meet?

Our WDW universal tester is applicable for tension, compression, bending, shearing and peeling tests of metal, plastic, rubber and composite materials. It supports test procedures in accordance with GB, ISO, ASTM, DIN, JIS multiple domestic and global standards. Equipped with high-precision servo drive and dedicated test software, it automatically collects, calculates and exports test data including tensile strength, elongation at break and elastic modulus.

Customer Reviews

Southeast Asia Rubber & Polymer Factory｜Purchase: Vicat Softening Point & Tensile Testing Machine

From Tanaka Hiroshi, R&D Supervisor, Indonesia rubber materials enterprise

2026.06.05

★★★★★

“Laibote’s Vicat softening point tester and electronic tensile machine have been applied to our raw material incoming inspection and new formula development for over one year. High testing accuracy effectively controls our product defect rate. What impresses us most is their responsive after-sale service; technical staff reply our troubleshooting requests within 24 hours even for time zone differences. Compared with expensive European brands, Laibote’s equipment balances quality and price excellently, we plan to expand procurement of auxiliary testing instruments next quarter.”

Middle East Construction Lab｜Purchase: Universal Electronic Testing Machine & Geotextile Test Equipment

From Mohamed Kareem, Lab Manager, UAE third-party construction inspection institute

2026.06.05

★★★★★

“We compared multiple testing equipment brands from Europe and China before cooperating with Laibote. Their WDW universal tester and full-set geotextile testing instruments meet local construction testing standards perfectly. Custom fixtures tailored per our specimen specifications save much testing time. Pre-sale technical communication was patient and professional; engineers provided online operation training after goods arrived. Stable machine performance greatly improves our laboratory’s detection efficiency, we are satisfied with cost performance and overall service.”

European Plastic Pipe Manufacturer｜Purchase: Ring Stiffness & Hydrostatic Burst Tester

From Thomas Bennett, Quality Director, UK plastic pipe factory

2026.06.05

★★★★★

“We have purchased two sets of pipe testing equipment from Laibote (Tianjin) for 18 months. The ring stiffness and hydrostatic burst testing machines run stably for daily batch inspection, test data matches ISO standard requirements precisely, and the intelligent test software is easy for our operators to master. Their after-sales team offers timely remote technical guidance whenever we have operational problems, spare parts supply is efficient. We have arranged a second bulk order for our new production workshop and will recommend Laibote’s testing machines to our industry partners across Europe.”

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