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OHAUS Rotator Genie e-RT21/M SI-2200 US with an angled platform holding sample tubes and containers, a front speed dial, and a power switch.

OHAUS Rotator Genie e-RT21/M, SI-2200 US

$1,061.00

Free Shipping · 7 Day Price Match Guarantee · Manufacturer Warranty · Call us (800) 577-0501

OHAUS Rotator Genie e-RT21/M, SI-2200 US

Set up gentle sample rotation around your laboratory workflow with the Rotator Genie's magnetic platform system. Compatible clip plates and strips can be positioned at different angles and in different combinations, helping you arrange vessels without committing to a single fixed holder layout.

This US configuration provides analog control over a 5–35 rpm rotation range and supports loads up to 2.3 kg. Its adjustable-angle standard platform offers flexibility for routine mixing. This model is a rotator; touchscreen programming and combination rocking/rotating cycles described for the Roto-Rock Genie are not features claimed for this listing.

Key Features

  • Analog speed control with a 5–35 rpm rotation range.
  • Magnetic platform system accepts compatible clip plates and strips in different positions and combinations.
  • Compatible holders accommodate a variety of tubes, flasks, microplates, bags and other vessels; confirm the holder required for your vessel.
  • Adjustable-angle standard platform and switchable platform design.
  • Rated capacity of 2.3 kg.
  • Can be used in cold rooms and incubators within its specified 0–38°C, non-condensing operating environment.
  • US electrical configuration: 120V, 0.5A, 60Hz.

✅ Ships directly from Ohaus Corporation in Worthington, Ohio
✅ Full manufacturer warranty
✅ 7-day price-match guarantee
✅ Contact us for Alaska, Hawaii, or international shipping arrangements
✅ Questions? Call 1-800-577-0501

Notify me when back in stock

OHAUS Rotator Genie e-RT21/M, SI-2200 US

Set up gentle sample rotation around your laboratory workflow with the Rotator Genie's magnetic platform system. Compatible clip plates and strips can be positioned at different angles and in different combinations, helping you arrange vessels without committing to a single fixed holder layout.

This US configuration provides analog control over a 5–35 rpm rotation range and supports loads up to 2.3 kg. Its adjustable-angle standard platform offers flexibility for routine mixing. This model is a rotator; touchscreen programming and combination rocking/rotating cycles described for the Roto-Rock Genie are not features claimed for this listing.

Key Features

  • Analog speed control with a 5–35 rpm rotation range.
  • Magnetic platform system accepts compatible clip plates and strips in different positions and combinations.
  • Compatible holders accommodate a variety of tubes, flasks, microplates, bags and other vessels; confirm the holder required for your vessel.
  • Adjustable-angle standard platform and switchable platform design.
  • Rated capacity of 2.3 kg.
  • Can be used in cold rooms and incubators within its specified 0–38°C, non-condensing operating environment.
  • US electrical configuration: 120V, 0.5A, 60Hz.

✅ Ships directly from Ohaus Corporation in Worthington, Ohio
✅ Full manufacturer warranty
✅ 7-day price-match guarantee
✅ Contact us for Alaska, Hawaii, or international shipping arrangements
✅ Questions? Call 1-800-577-0501

Technical Specs

Specification

e-RT21/M, SI-2200 US
Manufacturer product number / MPN 83041339
Motion Rotate
Rotating speed 5–35 rpm
Capacity 2.3 kg
Control Analog
Tray size (L × W) 260 × 260 mm (10.25 × 10.25 in)
Magnetic platform size (L × W) 290 × 315 mm (11.5 × 12.5 in)
Equipment dimensions (L × W × H) 175 × 400 × 400 mm (7 × 15.8 × 15.8 in), as listed by manufacturer
Net equipment weight 5.2 kg (11.5 lb), not packed shipping weight
Power 120V, 0.5A, 60Hz
Manufacturer-listed safety designation CE
Working environment 0–38°C (32–100°F), 95% RH, non-condensing
Country of origin US

Applications

For laboratory procedures requiring controlled vessel rotation and gentle mixing. Choose compatible holders for your sample containers and arrange them on the magnetic platform to suit your protocol. Keep the total load within the 2.3 kg rating.

Accessories

Clip plates, strips and alternative platforms should be selected for the vessel and application. The supplied specifications do not identify the exact accessory assortment included with product 83041339; confirm package contents before ordering accessories.

Returns

Ohaus: Standard products may be returned within 30 days of delivery (20% restocking fee, minimum $100). Items must be unopened and in original packaging.

Technical Specs

Specification

e-RT21/M, SI-2200 US
Manufacturer product number / MPN 83041339
Motion Rotate
Rotating speed 5–35 rpm
Capacity 2.3 kg
Control Analog
Tray size (L × W) 260 × 260 mm (10.25 × 10.25 in)
Magnetic platform size (L × W) 290 × 315 mm (11.5 × 12.5 in)
Equipment dimensions (L × W × H) 175 × 400 × 400 mm (7 × 15.8 × 15.8 in), as listed by manufacturer
Net equipment weight 5.2 kg (11.5 lb), not packed shipping weight
Power 120V, 0.5A, 60Hz
Manufacturer-listed safety designation CE
Working environment 0–38°C (32–100°F), 95% RH, non-condensing
Country of origin US

Applications

For laboratory procedures requiring controlled vessel rotation and gentle mixing. Choose compatible holders for your sample containers and arrange them on the magnetic platform to suit your protocol. Keep the total load within the 2.3 kg rating.

Accessories

Clip plates, strips and alternative platforms should be selected for the vessel and application. The supplied specifications do not identify the exact accessory assortment included with product 83041339; confirm package contents before ordering accessories.

Returns

Ohaus: Standard products may be returned within 30 days of delivery (20% restocking fee, minimum $100). Items must be unopened and in original packaging.

Shipping

Shipping is free on all orders within the continental United States. We believe in keeping things simple, with no hidden fees or unexpected charges.

How We Fulfill Orders

Lab Stock Direct partners directly with premium manufacturers to fulfill your orders. To ensure the fastest delivery times and full manufacturer warranty support, all laboratory equipment ships factory-direct from specialized partner facilities.

Ship-From Locations

Our inventory is distributed across the United States to optimize logistics. Depending on the brand you purchase, your order will ship from one of the following manufacturer hubs:

  • Santa Clara, California (Yamato Scientific America)

  • Salt Lake City, Utah (North Slope Chillers)

  • Worthington, Ohio (Ohaus Corporation)

  • Sayreville, New Jersey (Benchmark Scientific)

Order Confirmation

Once your order is placed, you will receive an automated confirmation email. This indicates that your order has been received in our system and your payment method has been pre-authorized. We then confirm that the item is in stock with our manufacturing partners and available for shipment.

If an item is backordered or unavailable, we will void your pre-authorization immediately, notify you via email, and discuss lead times or alternative options. If the item is in stock, your payment will be processed and prepared for shipment. In-stock items are processed and handed to the carrier within 3–5 business days.

Processing and Delivery Times

  • Standard Items: 3–5 business days processing time, with transit typically taking 4–12 business days after shipment. Tracking details are emailed automatically as soon as your order leaves the manufacturer facility.

  • Built-to-Order Items: Some specialized laboratory equipment is manufactured upon order and requires additional lead times. We will notify you of extended timeframes before confirming your order.

  • Freight & Heavy Equipment: Large or heavy equipment shipped via LTL freight includes standard loading dock or curbside delivery. If your facility requires liftgate service or inside delivery, please contact us prior to ordering as carrier access fees may apply.

  • Expedited Shipping: Faster delivery options may be available upon request for an additional fee. Contact us at info@labstockdirect.com to inquire about expedited options.

Multiple Item Orders

If your order contains multiple items, they may ship from different manufacturing facilities listed above and arrive separately. Each shipment will have its own tracking number provided via email.

International Orders

We are happy to serve international customers. Please note:

  • Products are designed for the U.S. market and typically require 110V or 220V electrical systems.

  • International shipments are delivered DDU (Delivered Duty Unpaid). Customers are responsible for all applicable local customs duties, import taxes, and brokerage fees required by their country.

  • Shipping rates will be provided upon request before your order is processed.

Damages

Please inspect your order upon delivery. If you notice visible damage, note it on the bill of lading when signing for delivery or refuse the shipment. If you accept the package and later find concealed damage, take clear photos of the packaging and product immediately and contact us at info@labstockdirect.com. Lab Stock Direct covers return shipping costs for defective, damaged, or incorrect items.

Why Buy From Us

Why Research Institutions Choose Lab Stock Direct

Authorized Dealer Network

Direct partnerships with leading manufacturers including Yamato Scientific, Benchmark Scientific, OHAUS, and North Slope Chillers. Every product ships factory-fresh with full manufacturer warranty coverage.

Institutional Expertise

Serving research labs, universities, medical facilities, and production environments nationwide. Our team understands the technical requirements and compliance standards of laboratory operations.

Pre-Purchase Consultation

Uncertain about specifications or configurations? Our lab equipment specialists provide technical guidance to ensure you select the right equipment for your application.

Transparent Pricing & Support

  • Free freight shipping nationwide (continental USA)
  • Bulk and institutional pricing available
  • 7-day price match guarantee
  • 30-day return policy (subject to manufacturer terms)

BBB Accredited Business

Committed to transparency, ethical business practices, and customer satisfaction. View our BBB profile. 

Factory-Direct Fulfillment

Equipment ships directly from manufacturer facilities to ensure authenticity, proper handling, and full warranty eligibility.

Expanding to Serve Your Complete Laboratory Needs

Lab Stock Direct is committed to becoming your comprehensive laboratory equipment partner. We're continuously expanding our manufacturer partnerships and product offerings based on direct feedback from research institutions like yours.

Expanding Product Categories:

  • Environmental monitoring and compliance solutions
  • Backup power systems and UPS solutions for critical equipment
  • Laboratory furniture and workspace infrastructure
  • Specialized analytical instruments
  • Custom equipment configurations

Our Vision: Provide a single, trusted source for all your laboratory equipment needs—from precision instruments to complete facility solutions.

Have specific requirements? Contact our team at 1-800-577-0501 or info@labstockdirect.com. We're actively building partnerships to serve the evolving needs of the research community.

Lab Stock Direct
A trade name of Peaks to Palms LLC
16154 E Alaska Pl Unit E
Aurora, CO 80017

Phone: 1-800-577-0501
Email: info@labstockdirect.com
Business Hours: Mon–Fri 8am–5pm MST

Established: 2025

Returns & Refunds

At Lab Stock Direct, we want you to be completely satisfied with your purchase. We offer a 30-day return window for standard, new, and unused products. Please review our complete return terms below, including manufacturer-specific restocking fees and return conditions.

Important Limitations (Please Read First)

  • Pre-owned/Used Items: Products marked as certified pre-owned or used cannot be returned.

  • North Slope Chillers: Standard, non-custom chillers may be returned within 30 days (15% restocking fee). Please note: Custom-built-to-order chillers are final sale and non-returnable.

  • Yamato Scientific: Standard products may be returned within 30 days of delivery (25% restocking fee). Items must be unopened and in original packaging.

  • OHAUS Products: Standard products are subject to a 20% restocking fee (minimum $100) on approved returns.

  • Benchmark Scientific: Standard products are subject to a 15% restocking fee on approved returns.

  • No Exchanges: We do not offer exchanges. Approved returns are refunded only.

  • Condition Requirements: Items must be unused, in original packaging, with all accessories/manuals included.

  • Return Shipping: Customers are responsible for return shipping costs (except for defective, damaged, or incorrect items).

1. Standard Returns

  • Return Window: 30 days from delivery for new, unused items (excluding custom-built or pre-owned products).

  • Eligibility: Items must be unused, in original packaging, and include all accessories/manuals.

  • Return Shipping: It is the customer's responsibility to cover return freight costs unless the item is defective, damaged, or incorrect.

2. Refund Process

  • Processing: Refunds are issued after a thorough inspection confirms items meet original condition requirements.

  • Method: Refunds are processed back to the original payment method used at the time of purchase.

  • Timeline: Refunds typically process 5–10 business days after the manufacturer has inspected the returned items.

  • Non-Eligible Items: Items showing visible use, missing original packaging, or missing accessories cannot be accepted for refund.

3. Damaged, Defective, or Incorrect Items

Please inspect your order upon delivery. Contact us immediately at info@labstockdirect.com with photos on the day of delivery if there are issues. We cover return shipping and provide a replacement or full refund for these items only.

Note: Items damaged after use are not refundable unless covered by a specific manufacturer warranty.

4. Order Cancellations

  • Before Shipment: A full refund is available if the order is canceled before it has left the manufacturing facility.

  • After Shipment: Cancellations made after shipment are processed as a standard return, and the customer is responsible for return shipping and applicable restocking fees.

5. How to Return Items

To initiate a return, email info@labstockdirect.com with your order number.

Important: Do not ship items to our administrative office in Colorado. Our team will provide a Return Merchandise Authorization (RMA) number and instructions to ship the item directly to the manufacturer's specialized service hub (California, Utah, Ohio, or New Jersey) to ensure your refund is processed correctly.

Lab Stock Direct  
A trade name of Peaks to Palms LLC  
16154 E Alaska Pl Unit E  
Aurora, CO 80017  

Phone: 1-800-577-0501  
Email: info@labstockdirect.com  
Business Hours: Mon–Fri 8am–5pm MST  

Established: 2025


Lab Stock Direct BBB Business Review
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OHAUS Rotator Genie e-RT21/M, SI-2200 US

Set up gentle sample rotation around your laboratory workflow with the Rotator Genie's magnetic platform system. Compatible clip plates and strips can be positioned at different angles and in different combinations, helping you arrange vessels without committing to a single fixed holder layout.

This US configuration provides analog control over a 5–35 rpm rotation range and supports loads up to 2.3 kg. Its adjustable-angle standard platform offers flexibility for routine mixing. This model is a rotator; touchscreen programming and combination rocking/rotating cycles described for the Roto-Rock Genie are not features claimed for this listing.

Key Features

  • Analog speed control with a 5–35 rpm rotation range.
  • Magnetic platform system accepts compatible clip plates and strips in different positions and combinations.
  • Compatible holders accommodate a variety of tubes, flasks, microplates, bags and other vessels; confirm the holder required for your vessel.
  • Adjustable-angle standard platform and switchable platform design.
  • Rated capacity of 2.3 kg.
  • Can be used in cold rooms and incubators within its specified 0–38°C, non-condensing operating environment.
  • US electrical configuration: 120V, 0.5A, 60Hz.

✅ Ships directly from Ohaus Corporation in Worthington, Ohio
✅ Full manufacturer warranty
✅ 7-day price-match guarantee
✅ Contact us for Alaska, Hawaii, or international shipping arrangements
✅ Questions? Call 1-800-577-0501

Technical Specs

Specification

e-RT21/M, SI-2200 US
Manufacturer product number / MPN 83041339
Motion Rotate
Rotating speed 5–35 rpm
Capacity 2.3 kg
Control Analog
Tray size (L × W) 260 × 260 mm (10.25 × 10.25 in)
Magnetic platform size (L × W) 290 × 315 mm (11.5 × 12.5 in)
Equipment dimensions (L × W × H) 175 × 400 × 400 mm (7 × 15.8 × 15.8 in), as listed by manufacturer
Net equipment weight 5.2 kg (11.5 lb), not packed shipping weight
Power 120V, 0.5A, 60Hz
Manufacturer-listed safety designation CE
Working environment 0–38°C (32–100°F), 95% RH, non-condensing
Country of origin US

Applications

For laboratory procedures requiring controlled vessel rotation and gentle mixing. Choose compatible holders for your sample containers and arrange them on the magnetic platform to suit your protocol. Keep the total load within the 2.3 kg rating.

Accessories

Clip plates, strips and alternative platforms should be selected for the vessel and application. The supplied specifications do not identify the exact accessory assortment included with product 83041339; confirm package contents before ordering accessories.

Returns

Ohaus: Standard products may be returned within 30 days of delivery (20% restocking fee, minimum $100). Items must be unopened and in original packaging.

Shipping

Shipping is free on all orders within the continental United States. We believe in keeping things simple, with no hidden fees or unexpected charges.

How We Fulfill Orders

Lab Stock Direct partners directly with premium manufacturers to fulfill your orders. To ensure the fastest delivery times and full manufacturer warranty support, all laboratory equipment ships factory-direct from specialized partner facilities.

Ship-From Locations

Our inventory is distributed across the United States to optimize logistics. Depending on the brand you purchase, your order will ship from one of the following manufacturer hubs:

  • Santa Clara, California (Yamato Scientific America)

  • Salt Lake City, Utah (North Slope Chillers)

  • Worthington, Ohio (Ohaus Corporation)

  • Sayreville, New Jersey (Benchmark Scientific)

Order Confirmation

Once your order is placed, you will receive an automated confirmation email. This indicates that your order has been received in our system and your payment method has been pre-authorized. We then confirm that the item is in stock with our manufacturing partners and available for shipment.

If an item is backordered or unavailable, we will void your pre-authorization immediately, notify you via email, and discuss lead times or alternative options. If the item is in stock, your payment will be processed and prepared for shipment. In-stock items are processed and handed to the carrier within 3–5 business days.

Processing and Delivery Times

  • Standard Items: 3–5 business days processing time, with transit typically taking 4–12 business days after shipment. Tracking details are emailed automatically as soon as your order leaves the manufacturer facility.

  • Built-to-Order Items: Some specialized laboratory equipment is manufactured upon order and requires additional lead times. We will notify you of extended timeframes before confirming your order.

  • Freight & Heavy Equipment: Large or heavy equipment shipped via LTL freight includes standard loading dock or curbside delivery. If your facility requires liftgate service or inside delivery, please contact us prior to ordering as carrier access fees may apply.

  • Expedited Shipping: Faster delivery options may be available upon request for an additional fee. Contact us at info@labstockdirect.com to inquire about expedited options.

Multiple Item Orders

If your order contains multiple items, they may ship from different manufacturing facilities listed above and arrive separately. Each shipment will have its own tracking number provided via email.

International Orders

We are happy to serve international customers. Please note:

  • Products are designed for the U.S. market and typically require 110V or 220V electrical systems.

  • International shipments are delivered DDU (Delivered Duty Unpaid). Customers are responsible for all applicable local customs duties, import taxes, and brokerage fees required by their country.

  • Shipping rates will be provided upon request before your order is processed.

Damages

Please inspect your order upon delivery. If you notice visible damage, note it on the bill of lading when signing for delivery or refuse the shipment. If you accept the package and later find concealed damage, take clear photos of the packaging and product immediately and contact us at info@labstockdirect.com. Lab Stock Direct covers return shipping costs for defective, damaged, or incorrect items.

Why Buy From Us

Why Research Institutions Choose Lab Stock Direct

Authorized Dealer Network

Direct partnerships with leading manufacturers including Yamato Scientific, Benchmark Scientific, OHAUS, and North Slope Chillers. Every product ships factory-fresh with full manufacturer warranty coverage.

Institutional Expertise

Serving research labs, universities, medical facilities, and production environments nationwide. Our team understands the technical requirements and compliance standards of laboratory operations.

Pre-Purchase Consultation

Uncertain about specifications or configurations? Our lab equipment specialists provide technical guidance to ensure you select the right equipment for your application.

Transparent Pricing & Support

  • Free freight shipping nationwide (continental USA)
  • Bulk and institutional pricing available
  • 7-day price match guarantee
  • 30-day return policy (subject to manufacturer terms)

BBB Accredited Business

Committed to transparency, ethical business practices, and customer satisfaction. View our BBB profile. 

Factory-Direct Fulfillment

Equipment ships directly from manufacturer facilities to ensure authenticity, proper handling, and full warranty eligibility.

Expanding to Serve Your Complete Laboratory Needs

Lab Stock Direct is committed to becoming your comprehensive laboratory equipment partner. We're continuously expanding our manufacturer partnerships and product offerings based on direct feedback from research institutions like yours.

Expanding Product Categories:

  • Environmental monitoring and compliance solutions
  • Backup power systems and UPS solutions for critical equipment
  • Laboratory furniture and workspace infrastructure
  • Specialized analytical instruments
  • Custom equipment configurations

Our Vision: Provide a single, trusted source for all your laboratory equipment needs—from precision instruments to complete facility solutions.

Have specific requirements? Contact our team at 1-800-577-0501 or info@labstockdirect.com. We're actively building partnerships to serve the evolving needs of the research community.

Lab Stock Direct
A trade name of Peaks to Palms LLC
16154 E Alaska Pl Unit E
Aurora, CO 80017

Phone: 1-800-577-0501
Email: info@labstockdirect.com
Business Hours: Mon–Fri 8am–5pm MST

Established: 2025

Returns & Refunds

At Lab Stock Direct, we want you to be completely satisfied with your purchase. We offer a 30-day return window for standard, new, and unused products. Please review our complete return terms below, including manufacturer-specific restocking fees and return conditions.

Important Limitations (Please Read First)

  • Pre-owned/Used Items: Products marked as certified pre-owned or used cannot be returned.

  • North Slope Chillers: Standard, non-custom chillers may be returned within 30 days (15% restocking fee). Please note: Custom-built-to-order chillers are final sale and non-returnable.

  • Yamato Scientific: Standard products may be returned within 30 days of delivery (25% restocking fee). Items must be unopened and in original packaging.

  • OHAUS Products: Standard products are subject to a 20% restocking fee (minimum $100) on approved returns.

  • Benchmark Scientific: Standard products are subject to a 15% restocking fee on approved returns.

  • No Exchanges: We do not offer exchanges. Approved returns are refunded only.

  • Condition Requirements: Items must be unused, in original packaging, with all accessories/manuals included.

  • Return Shipping: Customers are responsible for return shipping costs (except for defective, damaged, or incorrect items).

1. Standard Returns

  • Return Window: 30 days from delivery for new, unused items (excluding custom-built or pre-owned products).

  • Eligibility: Items must be unused, in original packaging, and include all accessories/manuals.

  • Return Shipping: It is the customer's responsibility to cover return freight costs unless the item is defective, damaged, or incorrect.

2. Refund Process

  • Processing: Refunds are issued after a thorough inspection confirms items meet original condition requirements.

  • Method: Refunds are processed back to the original payment method used at the time of purchase.

  • Timeline: Refunds typically process 5–10 business days after the manufacturer has inspected the returned items.

  • Non-Eligible Items: Items showing visible use, missing original packaging, or missing accessories cannot be accepted for refund.

3. Damaged, Defective, or Incorrect Items

Please inspect your order upon delivery. Contact us immediately at info@labstockdirect.com with photos on the day of delivery if there are issues. We cover return shipping and provide a replacement or full refund for these items only.

Note: Items damaged after use are not refundable unless covered by a specific manufacturer warranty.

4. Order Cancellations

  • Before Shipment: A full refund is available if the order is canceled before it has left the manufacturing facility.

  • After Shipment: Cancellations made after shipment are processed as a standard return, and the customer is responsible for return shipping and applicable restocking fees.

5. How to Return Items

To initiate a return, email info@labstockdirect.com with your order number.

Important: Do not ship items to our administrative office in Colorado. Our team will provide a Return Merchandise Authorization (RMA) number and instructions to ship the item directly to the manufacturer's specialized service hub (California, Utah, Ohio, or New Jersey) to ensure your refund is processed correctly.

Lab Stock Direct  
A trade name of Peaks to Palms LLC  
16154 E Alaska Pl Unit E  
Aurora, CO 80017  

Phone: 1-800-577-0501  
Email: info@labstockdirect.com  
Business Hours: Mon–Fri 8am–5pm MST  

Established: 2025