CO2 Incubators ST-45 and ST-180


SKU : H3551-45P

Ordering info

Model / Size
H3551-45PBenchmark ST-45 PLUS CO2 Incubator, 45L, 115V with two shelves
H3551-180PBenchmark ST-180 PLUS CO2 Incuubator, 180L, 115V with three shelves
H3550-45-SHAdditional shelf for 45 liter incubators, 1 each
H3550-180-SHAdditional shelf for 180 liter incubators, 1 each
H3550-45-SKStacking kit for 45 liter incubator
H3550-180-SKStacking kit for 180 liter incubator (height of top display approximately 135cm)
  • Precision temperature control, 6-sided heating
  • Precise monitoring over CO2 with dual beam IR sensor
  • Seamless, stainless-steel chamber
  • Digital control of humidity percentage (PLUS models only)
Temperature Range:Ambient +5° to 60°C
Temperature Increments:0.1°C
Temperature Uniformity:± 0.4°C*
Temperature Stability:0.1°C
Temperature Accuracy:0.1°C
CO2 Range:0 to 20%
CO2 Increment:0.1%
CO2 Accuracy:± 0.1%
CO2 Sensor:Dual Beam IR
Chamber Dimensions (45L):13.2 x 14.2 x 15.4 in. / 33.5 x 36.1 x 39.2 cm
Chamber Dimensions (180L):18.7 x 20.8 x 28 in. / 47.3 x 52.8 x 71 cm
Chamber Volume:45L / 180L
Chamber Material:Stainless Steel (316)
Exterior Dimensions (180L):16.5 x 18.3 x 21.8 in. / 42 x 46.5 x 55.3 cm
Weight (45L):77 lbs / 35 kg
Weight (180L):172 lbs / 78 kg
Electrical:120V or 230V, 50-60Hz (350W)
Warranty:2 years
PLUS Models Only 
Hight Heat Decon:125°C for 8 hours
Humidity Control:Up to 95%
Split Inner Door Compartments:45L: 2 / 180L: 6

With our unique and proprietary heat distribution technology, the Benchmark ST Series of CO2 incubators provide the highest levels of temperature accuracy with minimal fluctuation (within 0.1°C). The six-side heating system, in combination with a low speed internal fan, uniformly spreads air throughout the chamber (without air exchange from the external environment). The chamber walls are constructed of high grade (304) stainless-steel, and all
corners are rounded, preventing the accumulation of dirt/debris.

For added security, all models feature an internal alarm to alert the user if the CO2 percentage changes, or the temperature fluctuates by more than 1°C from the set point. In addition, a “quick-cal” calibration button allows for quickly adjusting the chamber temperature to match that of a properly calibrated external thermometer.

Two series (standard and PLUS) are each available in 45L and 180L chamber sizes. PLUS models include advanced programming for high heat decontamination (at 125°C), a unique split inner glass door for access to the chamber without exposing it fully to the external environment and programmable humidity percentage, up to 95%.

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