The following specifications describe a forced air circulation drying oven for high‑temperature applications up to 500°C (B series) or 600°C (BE series). The FG series includes four capacity sizes across both temperature ranges. All data are measured under factory test conditions.

Technical Specifications

Model identification and temperature range

• Model numbers: MSFG-50BSWISS (500°C series)

• Model numbers: MSFG‑50BESWISS (600°C series)

• Temperature range: RT+20‑500°C (B series) or RT+20‑600°C (BE series)

• Temperature resolution: 0.1°C across all models

• Temperature fluctuation: ±0.5°C

• Temperature uniformity (distribution precision): 2.50%

Circulation and heating

• Circulation mode: forced air (forced convection)

• Heater type: 304 stainless steel electric heating tube

• Insulation material: aluminum silicate fiber

• Housing material: cold‑rolled steel plate with electrostatic spraying surface

• Exhaust hole: φ35mm at top (also functions as test port)

Chamber construction

• Inner chamber material: SUS316 stainless steel (B series) or high‑temperature resistant stainless steel (BE series)

• Interior design: four‑corner semi‑circular arc transition, no sharp angles

• Shelf design: removable shelves with freely adjustable shelf brackets

Control system

• Temperature control: PID logic with color LCD display

• Control mode: dual‑segment intelligent PID

• Temperature setting: light‑touch keypad

• Display: measured temperature on upper LCD, set temperature on lower LCD

• Timer: 0‑9999 minutes with timing wait function

• Operating functions: fixed temperature operation, fixed timing operation, automatic stop

• Additional functions: sensor deviation correction, temperature overshoot self‑tuning, internal parameter locking, power‑off parameter memory

• Sensor type: high‑precision K‑type thermocouple

• Safety device: over‑temperature audible and visual alarm

Physical dimensions by model

• MSFG‑50BSWISS / MSFG‑50BESWISS: 350×350×400 mm (inner chamber), 781×529×645 mm (external)

Capacity and shelving

• Volume: 50L 

• Maximum shelf layers: 4 layers (50L)

• Load per shelf: 15 kg

• Shelf spacing: 45 mm

Power and electrical

• Rated power: 3.6kW (50L)

• Current rating (50/60Hz, AC380V)

Weight

• Net weight: 44kg (50L)

• Gross weight: 54kg (50L)

Included accessories

• Shelves: 2 per unit

• Shelf frames: 4 per unit

Optional accessories

• Additional shelves

• Programmable temperature controller

Key benefits for high‑temperature laboratory work

The features above translate into measurable gains for any laboratory performing drying, curing, heat treatment, or high‑temperature testing. Each point below connects a specification to a practical outcome.

Precise and stable temperature control – The PID controller with color LCD display maintains temperature with ±0.5°C fluctuation. The dual‑segment intelligent PID logic continuously adjusts heating output, preventing overshoot and oscillation. Results are repeatable across multiple runs, even with different operators.

Superior chamber cleanliness and corrosion resistance – The SUS316 stainless steel inner chamber resists rust and chemical attack from sample outgassing at high temperatures. The four‑corner semi‑circular arc transition leaves no sharp corners where residues accumulate. Cleaning takes minutes, not hours.

Long‑lasting high‑temperature components – The door seal is made of ceramic fibre, which withstands continuous operation at 500°C or 600°C without degradation. The circulating fan uses a high‑temperature motor rated for long‑term performance. The 304 stainless steel heating tube resists oxidation at elevated temperatures.

Safe unattended operation with comprehensive protection – The over‑temperature audible and visual alarm triggers when the chamber exceeds safe limits. The sensor deviation correction function alerts the user before a faulty thermocouple ruins a run. Power‑off parameter memory means the oven restarts automatically after a power interruption with the last settings.

Flexible capacity and configuration – Four sizes from 50L to 208L cover applications from small bench‑top research to large‑batch production. Shelves are removable, and shelf spacing is 45mm, allowing custom configurations for tall samples or multiple trays.

Common frustrations with high‑temperature ovens – and how this series solves them

Pain point: Uneven heating across the chamber.
Some ovens develop hot spots, especially near the heating elements. The Faithful FG Series high temperature drying oven (a forced air convection model with high‑temperature circulating fan) pushes heated air throughout the chamber using a low‑noise centrifugal fan. Temperature distribution precision of 2.50% ensures that samples on different shelves receive the same heat exposure. No more burnt edges and under‑processed centres.

Pain point: Control panels that are difficult to read from a distance.
Small monochrome displays with tiny digits force operators to stand directly in front of the oven. The same Faithful FG Series high temperature drying oven (with a colour LCD display showing measured and set temperatures separately) presents measured temperature on the upper LCD and set temperature on the lower row. Both readings are visible from across the laboratory. Glare‑free and easy to read.

Pain point: Rapid seal failure at high temperatures.
Ordinary rubber door seals harden and crack after weeks of 500°C operation. The Faithful FG Series high temperature drying oven (featuring ceramic fibre door seals designed for extreme temperatures) maintains flexibility and sealing integrity at maximum operating temperature. No heat leakage, no energy waste, no expensive seal replacements every few months.

Pain point: Cleaning baked‑on residues from sharp interior corners.
Square‑cornered chambers trap carbonised material that requires scraping, risking damage to the stainless steel surface. The Faithful FG Series high temperature drying oven (with four‑corner semi‑circular arc transition interior) eliminates sharp angles. A soft cloth follows the smooth curves, removing residues completely. The SUS316 brushed finish resists scratching, keeping the chamber clean for sensitive applications.

Pain point: No flexibility for different sample sizes or batch volumes.
A fixed shelf configuration cannot accommodate tall glassware or multiple trays simultaneously. The Faithful FG Series high temperature drying oven (with removable shelves and 45mm adjustable spacing) allows the user to remove shelves entirely or reconfigure spacing. The 15kg load capacity per shelf supports heavy ceramic samples or stacked metal parts.

Which laboratories and applications benefit most

Materials science and ceramics laboratories use the MSFG-50BSWISS for sintering ceramic green bodies, drying advanced composites, and heat‑treating metal samples. The 500°C range covers most ceramic binder burnout and polymer curing applications.

Pharmaceutical and medical device laboratories use the MSFG-50BSWISS for dry heat sterilisation of glassware, stability testing of drug substances at elevated temperatures, and curing of coatings on medical instruments. The BE series at 600°C serves specialised depyrogenation applications.

Electronics and semiconductor laboratories use the MSFG-50BSWISS for curing epoxy coatings, baking moisture from printed circuit boards, and annealing thin films. The forced air circulation ensures uniform heating across multiple boards stacked on different shelves.

Academic research laboratories in chemistry, chemical engineering, and biology use the MSFG-50BSWISS for routine drying of glassware, evaporating solvents from precipitates, and heat‑treating catalysts. The compact 50L footprint fits on a standard bench or under a fume hood.

Quality control laboratories in paint, coating, and polymer industries use the MSFG-50BSWISS for accelerated aging tests, volatile content determination, and heat‑resistance testing of finished products. The programmable controller option (optional) allows automated multi‑step temperature profiles.

Physical installation and daily operation

Installation requirements: The oven requires an AC380V, 50/60Hz power supply with appropriate circuit protection. The current rating varies by model from 5.5A (50L) to 7.7A (208L). A dedicated circuit is recommended. The exhaust hole at the top (φ35mm) can be connected to a laboratory ventilation system or left open for passive venting.

Space requirements: External dimensions range from 781×529×645mm (50L). Allow at least 200mm clearance on all sides for heat dissipation.

Daily operation: Turn on the main power switch. The colour LCD screen illuminates. Set the target temperature using the light‑touch keypad. Set the timer if required (0‑9999 minutes). Press Start. The PID controller begins heating. The circulating fan starts automatically. When the set temperature is reached, the upper LCD shows the measured temperature stable within ±0.5°C. At the end of the timed run, the oven stops heating and displays a completion message.

Maintenance: The exterior cold‑rolled steel with electrostatic spraying can be cleaned with a damp cloth. The interior SUS316 chamber should be cleaned after each use when cooled below 100°C. The door seal should be inspected monthly for cracks or hardening. The manufacturer recommends annual calibration of the temperature sensor.

Ordering information

Each FG Series oven ships with:

• Main oven body with SUS316 or high‑temperature stainless steel inner chamber

• 304 stainless steel electric heating tube (installed)

• High‑temperature circulating fan with motor (installed)

• Ceramic fibre door seal (installed)

• PID controller with colour LCD display (installed)

• Two removable stainless steel shelves

• Four shelf frames

• Power cord

• User manual with calibration certificate

The customer must specify the following when ordering:

1. Model number 

2. Voltage confirmation (AC380V, 50/60Hz standard)

3. Any optional accessories required (additional shelves, programmable controller)

Optional accessories and consumables available:

• Additional stainless steel shelves

• Programmable temperature controller (multi‑segment programming)

• Spare high‑temperature circulating fan motor

• Spare 304 stainless steel heating tube

• Calibration certification with test data