Industrial & Laboratory Constant Temperature Ovens Yamato Scientific
Model DKN 302, DKN 402, DKN 602, DKN 612, DKN 812, DKN 912
Specifications
Model	DKN302	DKN402	DKN602/612	DKN812	DKN912
Performance
Circulation method	Forced air circulation
Operating temp. range	Room temp.+10 to 260 ⁰C	Room temp.+10 to 250 ⁰C		Room temp.+10 to 210 ⁰C
Temp. control accuracy	±1.0 ⁰C ( at 210 ⁰C )
Temp. distribution accuracy	±2.5 ⁰C ( at 210 ⁰C )
Max. temp. reaching time	Approx. 90 min.			Approx. 60 min.
Components
Interior material	Stainless steel
Exterior material	Cold rolled steel plate with melamine resin baking finish
Heat insulating material	Glass wool
Heater	Stainless pipe heater
	0.8 KW	1.2 KW	1.34 KW	1.2 KW x 2	1.5 KW x 2
Fan type	Scirocco fan, Condenser type
Motor	10 W			30 W	10 W x 2
Exhaust port/Cable port	30 mm l.D.×2 pcs.( the top ) /30 mm l.D.×1 pc. ( right side )			30 mm lD×2 pcs ( the back )/30 mm lD×1 pc ( right side )
Observation window	180 × 180 mm	250 × 280 mm		None
Controller
Temp. controller	3 patterns program controller, PID control by microprocessor
Temp. setting method	Digital setting by UP/DOWN key
Temp display method	Measurement temp. : Digital display by green LED Setting temp. : Digital display by red LED
Timer	1 min. to 99 Hrs. 59 min. and 100 Hrs. to 999 Hrs. 50 min.
Min. division	1 min. or 1 Hrs.
Operation function	Fixed temperature operation, Program operation, Auto start, Quick Auto-stop,
Program mode	Program operation : 3 pattern, 30 steps ( 30 steps×1, 15 steps×2, 10 steps×3 ) Pattern repeat function
Additional functions	Calibration off-set function, Key lock, Uninterruptible power for memory
Heater circuit control	SSR control
Sensor	K-thermocouple
Safe Device
Safety countermeasures	Self diagnosis functions ( temp. sensor abnormal, Heater disconnection, SSR- short,
	Automatic overheating prevention ), Key lock function, Overheat prevention,
	Electric leakage breaker with over current protection
Standard
Internal dim W × D × H mm	300 × 300 × 300	450 × 450 × 450	600 × 500 × 500	600 × 500 × 1,000	1,070 × 500 × 1,000
External dim W × D × H mm	410 × 451 × 670	560 × 601 × 820	710 × 651 × 870	710 × 651 × 1,608	1,180 × 651 × 1,616
Internal capacity	27 liters	90 liters	150 liters	300 liters	535 liters
Shelf plate with standard load	Approx. 15 kg/piece
Shelf rest step number	6 steps	9 steps	12 steps	29 steps	29 steps x 2
Shelf rest pitch	30 mm
Power source 50/60 Hz	100 V/220 V	100V/220 V	100V/200V/220V	200 V/220 V	200 V/220 V
	Single phase,	Single phase,	Single phase,	Single phase,	Single phase,
	8.5 A/3.9 A	12.5 A/5.7 A	14 A /7 A/6.4 A	12.5 A/11.4 A	15.5 A/14.1 A
Weight	Approx. 35 kg	Approx. 50 kg	Approx. 65 kg	Approx. 110 kg	Approx. 190 kg
Accessories
Shelf plate	Stainless steel, 2 pcs.			Stainless steel, 4 pcs.	Stainless steel, 8 pcs.
Shelf bracket	4 pcs. ( 1 pair - 2 pcs. is fixed )			8 pcs. ( Same as left )	16 pcs. ( 2 pairs are fixed )
* The performance shown here is the value under the condition of the ambient temperature of 23 ⁰C ±5 ⁰C, humidity of 65 % RH ±20 %.
* The projection is not included for Internal dimensions and External dimensions.