Sartorius Stedim BIOSTAT RM 20/50 Wave Rocker Mixing Bioreactor +20L & 50L Trays

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Description
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MIXING: Shakers
Sartorius Stedim BIOSTAT RM 20/50 Basic Rocking Bioreactor | Load Cell 50L Bag
Benchtop rocking-motion bioreactor that agitates, heats and gasses single-use culture bags of up to 50 L.
QC PASS
Tested & Working
At a glance
Manufacturer
Sartorius Stedim Biotech
Model
BIOSTAT RM 20/50 basic
Part / Catalog #
DHR050LBRM (Art-No.)
Serial #
4238500031
Condition
Lightly Used, Excellent
What's Included
Sartorius Stedim BIOSTAT RM 20/50 basic rocker/ Load Cell system with integrated touchscreen controller
50L and 20L rocker trays with covers
Power cord
Nothing else is included unless shown in the photos
Condition & Testing
Unit powers on, the controller reaches the main screen and the temperature, gas, CO2 and load cell channels report normally; the white housing and rocker tray are clean as pictured, and calibration verification is the responsibility of the buyer.
Specifications
Bag capacity
Configured for 1 x 50 L bag; tray also accepts 2 x 20 L bag layout
Agitation
Rocking-motion platform with adjustable rocking rate (r/min) and rocking angle (degrees)
Heating
Two integrated silicone heater mats in the rocker tray
Temperature channels
2 independent temperature inputs (TEMP 1 / TEMP 2)
Gassing channels
2 mass-flow gas channels (GASFLOW 1 / GASFLOW 2), displayed in mL/min
Gas inlets
Air and CO2 inlets, working pressure 1.5 +/- 0.2 bar
CO2 control
CO2 concentration control and display in %
Bag pressure monitoring
Independent pressure readout for Bag 1 and Bag 2 in mBar
Weight measurement
Load Cell RM 20/50 module, max load 75 kg / 165 lbs, 24 VDC / 15 W / IP20 (Art-No. 117.100)
User interface
Integrated colour touchscreen controller with main screen, overview, alarm and user-level menus, batch timer
Communication ports
3x D-LINK (RJ-45 Cat.5 and DB9), SIG 2 and SIG 3 signal inputs
Supply voltage
100 - 240 VAC, 50/60 Hz
Power consumption
600 W max
Fusing
6.3 A - T
Ingress protection
IP 23
Country of manufacture
Made in Switzerland
Specs from manufacturer literature for reference. Verify against your application.
Terms & Conditions
Payment
We accept most payment types and work with your organization's accounting requirements.
Contact us if you need a formal quote or to procure with a PO.
Shipping
Items ship within 1 to 2 business days after cleared payment.
We ship via USPS, FedEx, UPS, or freight, to the contiguous USA and worldwide.
Worldwide buyers are responsible for customs and duty import charges.
Need expedited service or billing to your own FedEx or UPS account? Tell us at purchase.
You may arrange your own shipping through your own carrier on request.
Return Policy
60-day returns on all products from time of delivery.
If anything is not right, contact us first. We want you fully satisfied.
Why BioLabTek
We power on and function-test, then document what we saw
Photos show the exact unit you receive
Instruments packed to survive the carrier
POs and formal quotes welcome for academic and corporate buyers
BioLabTek
| Scientific Equipment Specialists | © 2026 BioLabTek
Specifications
| Manufacturer | Sartorius Stedim Biotech / Sartorius |
| Model | DHR050LBRM |
| Condition | Used |















