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Laboratory Incubator

Best selling machines for low temperature tests and environmental tests.

Operating temp. range
-10 to +50 deg.C
Temp. distribution accuracy
±1.0deg.C (at 37deg.C)
Internal capacity
143L (Model 604)/286L (Model 804)

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  • Available for wide variety of applications from various constant temperature tests to environmental tests.
  • Forced circulation with a fan enables high accuracy temperature control and even temperature distribution within the product.
  • Employment of a large dual-glass door which, with the inner door, forms a triplex glass to improve temperature heat retention.(Model IN604W)
  • A convenient slide shaker table (optional) is available to make taking out / putting in samples easier. (Model IN604W)
  • Room light to make inside the unit easily visible as standard. (10W fluorescent lamp)(IN604W)
  • The glass inner door keeps temperature changes during observation samples minimum
  • Employs coolant R404A that complies with Freon regulations.

Product code 211289 211290 211280
Model IN604 IN604W IN804
System Forced blower convection
Performance Operating temperature range -10 to +50deg.C
Temperature adjustment range ±0.3deg.C (during continuous operation of freezer)
±1.0deg.C (during operation of freezing cycle)
Temperature distribution accuracy ±1.0deg.C (continuous operation of freezer at 37deg.C)
Time to attain the max. temperature 20 to 50deg.C Approx. 20 min 20 to 50deg.C Approx. 30 min.
Time to attain the lowest temperature 20 to -10deg.C Approx. 45 min/20 to 4deg.C Approx. 55 min 20 to -10deg.C Approx. 55 min. 20 to -10deg.C Approx. 65min.
Configuration Interior Stainless steel plate
Exterior Chrome free electronic galvanized plated steel plate Chemical proof baking finish
Door   Observation window (W516 x H416 mm), with keys (x2)  
Heat insulator Styrene foam (non-freon)
Freezer Air-cooled fully closed compressor 250W Air-cooled fully closed compressor 300W
Freezer cooling medium R404A
Defrosting mechanism Manual ON/auto OFF, timer operation, cyclic operation
Blower fan Axial flow fan
Heater Iron-chrome wire heater: 550W Iron-chrome wire heater: 750W
Sensor Double sensor: Platinum resistance temperature detector :Pt100Ω(temperature controller), K-thermocouple (overheat preventive device)
Cable port I.D.: 32 mm (at the right side of the main unit) I.D.: 50 mm (at the right side of the main unit) I.D.: 32 mm (at the right side of the main unit)
Room light/service outlet - Fluorescent lamp: 10W/5A with a grounding terminal -
Controller Temperature control system PID control
Temperature setting system Digital setting system with UP/DOWN keys.
Temperature display/information display 4-digit LED digital display/"Katakana" character fluorescent tube display
Timer/timer resolution 0 to 999 hrs 59 min/1 min
Operation functions Fixed value operation, program operation, auto stop, auto start
Program mode Up to 32 steps, repeat, gradient operation
Additional functions Timer function (accumulated time to 49,999 hrs, calibration offset function, clock display)
Safety unit Self diagnostic function (temp. sensor error, heater disconnection, SSR short-circuit, main relay error, automatic overheat prevention function), key lock, over current ELB, overheat preventive device
Standards Internal chamber size W600 x D477 x H500 mm W600 x D477 x H1,000 mm
External size W710 x D645 x H913 mm W710 x D645 x H1,630 mm
Internal volume 143L 286L
Withstand load of shelf 15 kg/unit
No.of internal shelf stages/shelf support pitch 13 stages/30 mm 23 stages/30 mm
Power supply (50/60) Hz rated current AC100V 10A (15A)/AC100V 12A (15A) AC100V 12A (15A) AC100V 50/60 Hz 12A (15A)
Weight Approx. 89 kg Approx.120 kg
Accessories Shelf/shelf support Stainless steel punched metal 3 stages/6 Stainless steel punched metal 5 stages/10
Door keys 2 keys for IN604W only    

Control panel
* *
143L IN604W (Stand is optional.)

Internal chamber (IN604) Shaker can be installed (IN604W)
* *
Example with a slide shaker stage (optional) and a micro shaker MK161 (Keep operating temperature at 35deg.C or below.)

Temperature drop characteristic curve (IN604) Room light (IN604W)
* *

*Shelf / Shelf support

Dimensional drawing (mm)

Optional items
Remark Description Option Model Main Unit
Model No.
Item Code
  Stand ON61 IN604/IN604W 211856
  Stacking support OD60 IN604/IN604W 212823
  Stainless punching metal shelf (loading up to 15kg/shelf) - In series 211221
  Stainless wire shelf (with support 2 pcs., loading up to 20 kg/shelf) - In series 213464
External Communication Function (RS422A) - In series 281166
External Communication Adapter (changeable to RS232C) - In series 281167
Temperature output terminal - In series 281168
External Alarm Terminal  - In series 281169
Time-up Output Terminal - In series 281170
  Shaker setting stage with slide rail - IN604W 211318
  Drain water tray - In series 213466
The item marked " ● " in the column of "Remark" shall be ordered together with the main unit.
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