Natural Convection Oven

Oven
Natural (Gravity) Convection
Temperature Range ambient +10 °C to +250 °C
Chamber Volume;
- - 50 liters (JSON-50)
  - 100 liters (JSON-100)
  - 150 liters (JSON-150)
  - 250 liters (JSON-250)

Specifications

Heating System	Gravity Air Convection
Temp. Range	ambient + 10 ^oC ~ 250 ^oC
Accuracy	± 0.3 ^oC at 120 ^oC (JSON-050)
Uniformity	± 2.0 ^oC at 120 ^oC (JSON-050)
Controller	JIC-CON 5th Generation Microprocessor PID Controller
	3-Zone Temperature Control Algorithm
	3-Point Temperature Calibration
	1-Point Temperature Offset Calibration
Sensor	Class A Pt-100 Ω Sensor
Safety	Over-Temperature Cut-Off
	Over Current Cut-Off
Material	Body – Epoxy Powder Coated Steel
	Chamber – Stainless Steel 304
	Insulation – 50mm thick woven mineral wool
	including stainless steel wire shelf
	optional perforated stainless steel shelf
Electrical Data	220±10% VAC 50/60Hz 1-Phase
Plug config.	CEE 7/7 Schuko or BS 1363

Performance

Control Temperature Range from ambient+10 ^oC to 250 ^oC
Natural (Gravity) air convection for drying applications of fine powder and/or glassware
Asymmetrically designed heating system enhances mild and uniform hot air circulation for better temperature uniformity
50mm thick high thermal efficiency mineral wool with woven aluminum barrier sheet saves energy and less dust

Controller

DIGITAL MICROPROCESSOR PID TEMPERATURE CONTROLLER – Integrated Digital Microprocessor Control System
GRAPHIC LCD DISPLAY – Back Light Graphic LCD Display provides user-friendly operating information
UV COATED POLYCARBONATE TOUCH PANEL – Equipped with Capacitive LED Lighting Touch Button provides sensitive touching operation and durability
ENCODER TYPE JOG DIAL – Push to Start and Stop, Rotary turn to change values provides easy and simple user interface
0.1 ^oC CONTROL RESOLUTION
AUTO-START TIMER up to 99 hour 59 min and alarm
AUTO-STOP TIMER up to 99 hour 59 min and alarm
Temperature and Timer Memory Function in frequent use
3-ZONE PID ALGORITHM
3-POINT CALIBRATION / 1-POINT OFFSET CALIBRATION
POWER and TIMER RESTORE FUNCTION in case electric power outage
CLASS A PT-100 Ω Sensor
RS-232C PC COMMUNICATION INTERFACE [OPTION]

Art. No.	JSON-050	JSON-100	JSON-150	JSON-250
Dimension Data
Chamber Volume	48 Liters	100 Liters	151 Liters	252 Liters
Inner Dims. (W x D x H mm)	400 x 300 x 400	500 x 400 x 500	560 x 450 x 600	600 x 600 x 700
Outer Dims. (W x D x H mm)	560 x 525 x 710	660 x 625 x 810	720 x 675 x 910	760 x 825 x 1010
Window Dims. (W x H mm)	150 x 290	150 x 360	150 x 410	150 x 460
No. of Shelf Positions	12 ea	16 ea	20 ea	24 ea
No. of Shelf included	2 ea	2 ea	2 ea	3 ea
No. of Ventilation Damper	1 ea	1 ea	1 ea	1 ea

Performance Data
Heating System	Natural (Gravity) Air Convection
Temp. Range	Amb. +10 ^oC ~ +250 ^oC
Accuracy at 120 ^oC	±0.3 ^oC	±0.3 ^oC	±0.5 ^oC	±0.5 ^oC
Uniformity at 120 ^oC	±2.0 ^oC	±3.0 ^oC	±3.0 ^oC	±4.0 ^oC
Heat up time to 120 ^oC	10 min.	10 min.	15 min.	20 min.

Electrical Data
Rated voltage	220 ± 10% VAC
Power frequency	50 / 60Hz
Heater Output	1.2 kW	1.5 kW	1.7 kW	2.5 kW
Nominal power	1.3 kW 5.5 amp	1.6 kW 6.8 amp	1.8 kW 7.7 amp	2.6 kW 11.3 amp
Phase	1 Phase
Plug configuration	CEE 7/7 Schuko or BS 1363