Innovating science for over 125 years

Natural Convection Oven



Programmable natural convection oven with high accuracy control at high temperature range

Performance and functions

  • Wide temperature range, maximum operation temperature up to 700°C
  • Equipped with high operability temperature controller
  • Can be used as constant temperature oven, drying oven, and electric furnace for ashing, sintering, etc. as unit is suitable for each of these three functions
  • Temperature, measured temperature and overheat prevention temperature can be digitally set by operation menu and ▲/▼ keys
  • Easy programmable operation, fixed temperature, quick auto stop, auto stop and auto start
  • Lock function, auto recovery after power failure, calibration offset

Safety features

  • Failure of sensor, heater, SSR, memory, internal communication, temperature inputting circuit, automatic overheating prevention device, overheating prevention device, measurement temperature
SystemNatural convection
Temp. control range300~700°C
Temp. adjustment accuracy±5°C (at 700°C)
Temp. control accuracy±25°C (at 700°C)
Max. temp. reaching time~70min. (Room temp. +5°C~700°C)
Interior materialStainless steel
External materialElectro-galvanized steel sheet with epoxy and melamine resin baking finish
Heat insulating materialCeramic fiber
HeaterIron-chrome wire heater 1.3kW
Temp. controllerPID control
Temp. setting methodDigital setting by operation menu key and ▲/▼ keys
Temp. displayMeasured temp.: Green 4 digit LED digital display / Setting temp.: Red 4 digit LED digital display
Timer1min. to 99hrs 59min. and 100~999hrs 50min. (with timer wait function)
Operation functionsProgram operation, fixed temperature, quick auto stop, auto stop, auto start
Additional functionsCalibration off-set, key lock, auto recovery after power failure
Heater circuit controlSSR control
SensorK thermocouple (W sensor)
Safety deviceSelf diagnostic functions (temp. sensor abnormal, heater disconnection, SSR short, automatic overheat prevention function), key lock function, overheat prevention, electric leakage breaker with over current protection
Internal dimension 250 x 250 x 220mm (WxDxH)
External dimension 520 x 443 x 612mm* (WxDxH)
Internal capacity13.75L
Shelf load capacity15kg / pc.
Shelf rest step number3 steps
Shelf rest pitch33mm
Power source (50/60Hz)AC115V 12A (with plug) / AC220V 6.5A (with plug)
Shelf plateStainless punching metal
Shelf plate / bracket2 pcs. / 4 pcs.

*Protrusions not included.

Click on the links below to download the associated PDFs.

Oven Overview

DR200 Catalog

Oven Accessories

To download Operational Manual, visit our Technical Support Center