Yamato Scientific IQ821 Low Temperature Incubators - Manual (Page 42)

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Specification
Model IQ821
Method Forced circulation
Temperature control
range
-10 to 50℃ (Common to upper/lower unit)
Temperature
adjustment accuracy
±0.3℃ (Refrigerator is in continuous operation, Common to upper/lower unit)
Temperature
distribution accuracy
±1.0℃ (Refrigerator is in continuous operation, Common to upper/lower unit)
Time required to reach
highest temperature
20℃ to 50℃: Approx. 25min.
Time required to reach
lowest temperature
20℃ to -10℃: Approx. 45min.
Inner furnace Stainless steel
Outer covering Electrical zinc plated steel plate, Epoxy and melamine resin coating
Door Electrical zinc plated steel plate, Epoxy and melamine resin coating, With lock unit
Inner door Tempered glass
Heat insulation material Expanded polystyrene (CFC-free)
Refrigerator Air-cooled and full-closed type compressor, 250W×2
Cooling medium HFC-R404A
Defrost function Manual defrost (manually ON/automatic OFF), Cycle defrost operation
Fan of blower Axial fan×2
Heater Iron-chrome wire heater 550W×2
Cable port Inner diameter: 50mm (right surface of the upper/lower unit)
Temperature control
system VS4 type 30 steps and 3 patterns programmable controller,
PID control by microcomputer
Setting method Digital setting by menu keys and up/down keys
Display method
Setting temperature: Digital display by four-digit green LED,
Temperature: Digital display by four-digit red LED
Timer display 1min to 99h59min, 100 to 999.5h
Operation mode Fixed temperature, Quick auto stop, Auto stop, Auto start, Program operation
Additional functions Timer function, Calibration offset, 3 stages auto tuning function
Sensor
For temperature control: Platinum resistance bulb,
For overheating prevention: K-thermocouple
Safety devices
Self-diagnostic functions (Memory error, Failure of sensor, Heater disconnection,
Failure of overheating prevention device, SSR short-circuit, At error, Automatic
overheating prevention device), Key lock Function, Earth leakage breaker,
Overheating prevention device