SINCE 1889 Yamato Scientific Co.,Ltd.

 SM200/300/500/510 have been discontinued.

These models are automatic high-pressure steam sterilizers with an interactive key input system, which makes it possible to sterilize and dry instruments or clothes used in research or examination of medicine, medical treatment, food, etc., with the utmost safety.
Automatic operations from sterilization to drying are carried out with an interactive key input system.

200 300 500/510
Operating Temperature Range (Sterilization)
105deg.C to 123 deg.C 105deg.C to 128deg.C
Max. Operational Pressure
0.18 MPa 0.2 MPa
Internal capacity
20L 32L 47L
PDF Catalog
  • With an interactive key input system, the conditions are memorized. With a single key press, everything is done automatically from air exhausting to sterilization and dry.
  • Setting for hours and continuous operation are available.
  • Possible to sterilize media also.
  • Safety measures are enriched, including self-diagnosis function and a prevention device for misplacement of drain-bottles.

Model SM200 SM300 SM500 SM510
System Automatic high pressure steam sterilizer
Temp. setting range Sterilization 105 to 123deg.C 105 to 128deg.C
Drying 150 to 180deg.C 150 to 180deg.C
Maximum operational pressure 0.18MPa 0.2MPa
Interior Material Stainless steel
Heater Sterilization 1.3kW 1.7kW 2.0kW
Drying 1.0kW 1.5kW 1.5kW
Temp. controller PlD control by micro processor
Temp. setting method Digital setting by UP/DOWN key
Temp display method Digital display by green LED
Timer 1 min. to 99 Hrs. 59 min. and 100 Hrs. to 999 Hrs.
Min. division 1 min. or 1 Hrs.
Safe Device
Safety countermeasures Self diagnosis functions (Sensor, Heater, SSR, Main relay, Low water), Over pressure safety valve, Electric leakage breaker
Effective internal dimensions(mm) 240(Dia.)×445(Depth) 300(Dia.)×445(Depth) 300(Dia.)×665(Depth) 300(Dia.)×665(Depth)
External dimensions(W×D×Hmm) 410×470×957 440×530×968 440×530×1,088 440×530×1,088
Effective (gross) capacity 20 (22) liters 32 (36) liters 47 (51) liters 47 (51) liters
Power source 50/60Hz 100/220V, single phase,
100/220V, single phase,
100V, single phase,
200/220V, single phase,
Weight Approx. 65 kg Approx. 80 kg Approx. 85 kg Approx. 85 kg
  2 Racks (mesh pitch 8.5 mm), 1 Bottom plate, 1 Steam saucer and 1 Drain bottle.

* The performance shown here is the value under the condition of the ambient temperature of 23deg.C±5deg.C, humidity of 65%RH±20%.

* The projection is not included for Internal dimensions and External dimensions.

Control Panel


Steam saucer


Dimensions (Unit:mm)

Optional Items
Remark Description Model No. Product Code
  OSM-60Basket (mesh type, 8.5mm) for 200, 205x204 SM200 241087
  OSM-70Basket (mesh type, 8.5mm) for 300, 262x204 SM300 241088
  OSM-80Basket (mesh type, 8.5mm) for 500/510, 262x315 SM500/510 241089
  OSQ-10Basket (mesh type, 2.5mm) for 200, 189x161 SM200 241085
  OSQ-20Basket (mesh type, 2.5mm) for 300/500/510, 249x203*
(* Settable 2 pcs for SM300 and 3 pcs. For SM500)
SM300/500/510 241086
  OSQ-30Basket (mesh type) with stacking fitting for 200, 168x162 (2 pcs./set) SM200 241093
  OSQ-40Basket (mesh type) with stacking fitting for 300, 246x162 (2 pcs./set) SM300 241092
  OSQ-50Basket (mesh type) with stacking fitting for 500/510, 246x162 (3 pcs/set) SM500/510 241091
  OSQ-60Basket (mesh type) with a mesh shelf for 200, 200x390 (with mesh shelf, 1 pc.) SM200 241096
  OSQ-70Basket (mesh type) with a mesh shelf for 300, 260x390 (with mesh shelf, 1 pc.) SM300 241095
  OSQ-80Basket (mesh type) with a mesh shelf for 500/510, 200x590
(with mesh shelf, 2pcs.)
SM500/510 241094
  OSR-10 Stainless solid basket for 200, 210x200 SM200 241083
  OSR-20 Stainless solid basket for 300/500/510, 270x200 SM300/500/510 241084
OSM-10 Digital printer SM Series 241072
OSM-40 Temperature Output Terminal  SM Series 241073
OSM-30 Time-up Output Terminal SM Series 241074
OSM-20 External Alarm Output Terminal  SM Series 241075
  OSM-50 Temp. sensor in vessel SM Series 241076
The item marked " ● " in the column of "Remark" shall be ordered together with the main unit.