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New Brunswick Innova 4230 Refrigerated Incubator Shaker
New Brunswick Innova 4230 Refrigerated Incubator Shaker

Our Price: $7,390.00

Condition: Fully Recertified and Tested to Perform at Manufacturer Specifications
Warranty: 180-Day Full Parts and Labor (Click for Info)
Typically Ships Within: 6 to 8 Business Days
Included Documentation: NIST Calibration and Preventative Maintenance Report

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Quantity in Stock:1

Product Code: NB-4230

Recertification Protocol
Technical Specification Sheet

Popular Alternative Choice

Benchmark H2012 Incu-Shaker 10LR Shaking Cooling Incubator

  • Temperature control: Ambient -15C to 60C with ±0.1C accuracy.
  • Shaking speeds: 30 to 300 RPM with 19mm orbit for mixing.
  • Advanced motor isolation system for minimized noise and vibration.
  • MAGic Clamp Platform for easy exchange of flasks and vessels.
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No Lead Time!

New Brunswick Innova 4230 Refrigerated Incubator Shaker

Speed Range
25 to 400 RPM

Temperature Range
Ambient -20°C to 80°C

Temperature Uniformity
± 0.3°C

  • Heavy-duty stainless steel construction with a large double-paned glass window for internal sample viewing
  • Equipped with two adjustable stainless steel shelves and a 13-watt fluorescent light for enhanced visibility
  • Features an internal AC receptacle specifically for powering internal devices like magnetic stirrers or shakers
  • Built-in shaker with a triple eccentric counterbalanced drive, offering a shaking range of 25-400 rpm (non-stacked) and 25-300 rpm (stacked)
  • Temperature range from 20°C below ambient, with a minimum of 4°C to a maximum of 75°C (50 Hz units) or 80°C (60 Hz units)
  • Audible and visual alarms for temperature deviations greater than 1.0°C, with an option to deactivate the audible alarm
  • Robust refrigeration system using 1/5 HP CFC-Free (R134A) Refrigerant, ensuring efficient cooling
  • Large internal dimensions (20 1/2"W x 20 1/2"L x 24.8"H) with a total weight of 300 lbs, making it suitable for substantial laboratory applications

The New Brunswick Innova 4230 Refrigerated Incubator Shaker is the perfect refrigerated incubator shaker for almost all lab situations. With a heavy gauge stainless steel frame, both refrigeration and heating capabilities, and a powerful internal shaking platform, this Refrigerated incubator is fully capable of handling just about any sample parameters.

The internal Cabinet of the 4230 is composed of sturdy heavy gauge stainless steel and has a double paned glass window on the outside to allow internal sample viewing. The cabinet contains two adjustable stainless steel shelves and a fluorescent light for improved visibility. The 4230 also includes an internal AC receptacle for the sole purpose of the powering of internal devices.

The built in shaker features an audible and visible alarm, control, display, timer and other onboard installations. The internal shaker drive is a triple eccentric counter balanced drive with 9 sealed for life ball bearings and has a motion of 3/4" circular standard. The rpm range is between 25 and 400 non stacked, and 25-300 stacked. The onboard timer has a time range of up to 99.9 hours settable in 0.1 hours.

The temperature of the 4230 ranges from 20°C below ambient with a minimum of 4°C to maximum of 75°C for 50 Hz units or 80°C for 60 Hz units. Temperature alarms provide indication when temperature deviates > 1.0°C

All of our equipment is fully tested to perform at factory specifications before being shipped.

The New Brunswick Innova 4230 Refrigerated Incubator Shaker includes:
  • > Platform
  • > NIST Calibration and Preventative Maintenance Report
  • > Power Cord
  • > Operator's Guide
  • > Full 180 Day Parts and Labor Warranty

New Brunswick Innova 4230 Refrigerated Incubator Shaker Specifications



Heavy gauge stainless steel


26 3/8"H x 22"W (670 mm x 559 mm)

Double Paned Glass Window

19 1/4"H x 11 3/8"W (489 mm x 289 mm)

Fluorescent Light

13 watt - provides illumination inside chamber


2 Stainless Steel 20"W x 20"L (508 mm x 508 mm)-adjustable- (1/2" (12.7 mm) centers)

Internal AC Receptacle

200W AC-waterproof w/ mating connector-can be used w/ magnetic stirrer, spinner flask, rocker, roller & shakers



18"W x 18"L (457 mm x 457 mm)


24.4"W x 28.7"L x 36.4"H (620 mm x 729 mm x 925 mm)


20 1/2"W x 20 1/2"L x 24.8"H (520 mm x 520 mm x 630 mm)


1500 Watts, 120/100/200/240V, 50/60 Hz


3 digit LED


1/5 HP uses CFC-Free (R134A) Refrigerant

Recorder Output

Two 0-5 Volt-tracks temperature & speed w/ optional recorder


300 lbs



Audible & visible indicates when speed deviates ± 5 rpm, audible alarm can be deactivated


± 1 rpm, acceleration control minimizes splashing caused by sudden starts and stops


1 rpm increments


Triple-eccentric counterbalanced drive w/ 9 sealed for life, ball bearings


3/4"(19 mm) circular, standard 1?(25.4) optional


1/15 HP, 3-phase solid-state, brushless ball bearing DC motor


25 to 400 rpm, 25 to 300 rpm for stacked unit

Hour Timer

Programmable shaking continuous - 99.9 hours-setable in 0.1 hr. increments-alarm sounds at end of shaking period



Audible & Visual-when temperature deviates > 1.0°C-audible alarm can be deactivated


15-35°C/Humidity-up to 90% non-condensing


± 0.1°C-alternation between two setpoints programmable via electronic timer


Resistance w/ high temperature safety cutoff


20°C below ambient with a minimum of 4°C to maximum of 75°C for 50 Hz units or 80°C for 60 Hz units


1/5 HP/CFC-Free (R134A) Refrigerant


± .3C NOM

New Brunswick Innova 4230 Manual

Click Here to View all the Technical Specs for the Innova 4230

Why Buy From Marshall Scientific?

Every product we offer undergoes a rigorous inspection process to verify that all manufacturer specifications are met. All of the electronics and boards are tested for proper function, and any necessary preventative maintenance is performed alongside repairs by our industry trained technicians. Our primary goal is to offer products that are as close to new as possible at an affordable price.

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The New Brunswick Incubator Shaker that I ordered from Marshall Scientific has just arrived and I cannot say enough how satisfied I am with my purchase. The shaker works like it came straight from the factory and the longer warranty is definitely a plus. I highly recommend Marshall to anyone looking for a company that stands behind their products.
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Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 1 Write a review »

  5 of 5 people found the following review helpful:
5 of 5 Just got it November 23, 2020
Reviewer: Francis Adkins from Montgomery, AL  
Excited to get this for our lab.Shipped quickly and safely.Looking forward to getting a lot of use out of this.

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