M501 LABORATORY FLUID BED DRYER & DYNAMIC MOISTURE ANALYZER
The Sherwood Scientific Laboratory Fluid Bed Dryer can be programmed via a computer interface to step through an unlimited number of drying stages having the following parameters defined, controlled, and monitored: 

Without a computer interface the programmable dryer can run one stored program of up to 18 steps, or can be used as a conventional dryer. 

Additional features of this advanced in-lab dryer technology include: Precise air flow control, and membrane sealed controls to prevent ingress of particles into the instrument. 
SHERWOOD M501 ADVANCED LABORATORY FLUID BED DRYER
650 501
AUTOMATED MOISTURE ANALYSIS

Unique dynamic moisture analysis software graphs the moisture curve while drying, including the critical moisture point where bound moisture is driven off.
FEATURES
DRYING

If water is added to a dry particulate sample, it is preferentially absorbed within each particle until saturation is reached., following which the moisture that is held is external to the particle.

Drying essentially reverses this process, and similarly occurs in two stages, initially removing external moisture before reducing the moisture content within the sample.

The Stage1 external moisture content removal occurs at a constant rate, depending on dryer parameters of air temperature and flow rate. The particles have very little influence on this moisture removal.

The,"Critical Moisture Point" is the point where Stage 2 begins, and the moisture from within the particle is removed. Stage 2 drying is not directly influenced by the flow rate or temperature of the air. To change the speed of Stage 2 Drying, one must reduce particle size, add alcohol, or chemically modify the particle to effect it's affinity to water.
DRYING CURVE

A drying curve is generated by measuring a samples weight loss over a period of time. The slope (rate of drying) is constant until the critical moisture point is reached.

Once the rate changes, moisture has begun to diffuse out of the particle.
SPECIFICATIONS
H 19.7 " x W 16.9"  x D 33.1"
WEIGHT 53.9 lbs
MINIMUM PARTICLE SIZE 5 MICRONS
FILTER SELECTION

SELECTION OF AN APPROPRIATE FILTER IS BASED ON THE PARTICLE SIZE DISTRIBUTION OF THE SAMPLE, AND THE FLOW RATE REQUIREMENTS TO DRY THE SAMPLE

FILTER BAGS ARE AVAILABLE WITH A TOP CAP, OR AS A SLIP ON, WHICH PROVIDES THE QUICKEST DRYING TIME, BECAUSE OF THE LARGER SURFACE AREA, AS COMPARED TO A FLAT MESH SCREEN.


SAMPLES WITH PARTICLES BELOW 45 MICRONS, OR WITH A WIDE BI-MODAL DISTRIBUTION, GENERALLY WORK BETTER WITH A SEALED (TOP CAP)SYSTEM. SOME SAMPLE LOSS MAY OCCUR IF A FILTER BAG IS EMPLOYED.

THE INLET FILTER, AND OUTLET FILTERS IN A TOP CAP ASSEMBLY, ARE GENERALLY THE SAME SIZE, BUT THE OUTLET FILTER SIZE, OR USE OF A FILTER BAG, ARE MOSTLY DEPENDENT ON THE AIR FLOW REQUIREMENTS, AS DICTATED BY THE SAMPLES  FLUIDIZATION CHARACTERISTICS.

 (If the sample fluidizes near the base of the tub, a larger aperture top cap filter, or filter bag, will allow for more air flow, and subsequently quicker drying)  
TUB SELECTION

Drying tubs are made in either stainless steel, or glass, in 5 liter, 2 liter, and 250 ml (MINI-TUB), capacities. Up to 4 mini-tubs may be used, at a time, using the special mini tub holder. See SPECIAL TUBS, for more information on mini tubs, low density classifier tubs, and sieve drying attachments.

Glass tubs allow the user to see the sample drying, which can make it easier to achieve optimal fluidization characteristics with the sample. Stainless steel tubs offer extended durability. 

Tub selections should be made based on three times the volume of the initial sample. The wet sample should occupy 1/3rd of the tub, and should dry to approximately 1/2 of the tubs volume.Samples with high moisture content are allowable, but not slurries with free water. 
NEED A SAMPLE TESTED?
Sherwood Scientific Laboratory Fluid Bed Dryer Moisture Analyzer
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QUOTE REQUEST
650 50100200 SHERWOOD M501 ANALYTICAL LABORATORY FLUID BED DRYER 110V, 50/60HZ

650 50100201 SHERWOOD M501 ANALYTICAL LABORATORY FLUID BED DRYER 230V, 50/60HZ
650 50135020​
5 LITER GLASS SEALED ASSEMBLY TUB WITH BASE, CLAMP, AND STANDARD 45  MICRON NYLON INLET FILTER, SUPPORTED BY 250 MICRON STAINLESS STEEL MESH INLET SCREEN, FOR USE WITH TOP CAP, AND SELECTION OF MESH SCREEN OR FILTER BAG.

INCLUDES GL 45 SAMPLE PORT WITH SCREW CAP, AND GL32 PORT FOR HUMIDITY/TEMPERATURE PROBE WITH OPEN (WITH HOLE) AND CLOSED SCREW CAPS

REQUIRES SELECTION OF TOP CAP AND SCREEN MESH SIZE, OR TOP CAP AND FILTER BAG SELECTION.
REQUIRES SELECTION OF HUMIDITY SENSOR
SHERWOOD M501 ANALYTICAL DRYER
650 50135020
​INLET FILTER NYLON 45 MICRON (INCLUDED STANDARD)
​​
INLET FILTER STAINLESS STEEL 250 MICRON (INCLUDED STANDARD)

INLET FILTER STAINLESS STEEL 63 MICRON 

INLET FILTER STAINLESS STEEL 25 MICRON 

POLYESTER SUPPORT FILTER 3 MICRON
650 50035113

650 50035110

650 50035114

650 50035115

650 50035120
WHITESTONE VA
TEL (804) 318-3686 FAX (703) 991-7133
INFORMATION@QCLABEQUIPMENT.COM 
WWW.QCLABEQUIPMENT.COM
ADDITIONAL INLET FILTER SELECTIONS
Copyright 2012: QAQC Lab | Particle Measurement System | All rights reserved.
804-318-3686 | sales@qclabequipment.com
HOW  IT WORKS
BROCHURE SHERWOOD M501 
EQUIPMENT FOR QUALITY CONTROL AND R&D 
www.qclabequipment.com
Telephone   (804) 318-3686
Toll Free US (866) 244 1578
Fax                (703) 991-7133
Hours      8 AM - 6 PM EST
INTERNATIONAL & DOMESTIC SALES
CUSTOMER SERVICE * SALES * TECHNICAL SUPPORT


DELIVERIES WORLDWIDE

PERFORMANCE GUARANTEE
TUB SELECTION
650 50035010
5 LITER GLASS TUB WITH BASE, AND STANDARD 45  MICRON NYLON INLET FILTER, SUPPORTED BY 250 MICRON STAINLESS STEEL MESH INLET SCREEN FOR USE WITH SLIP ON FILTER BAG WITH ELASTIC BAND (NO TOP CAP)

INCLUDES GL32 PORT FOR HUMIDITY/TEMPERATURE PROBE WITH OPEN AND CLOSED SCREW CAPS

REQUIRES SELECTION OF FILTER BAG 
REQUIRES SELECTION OF HUMIDITY SENSOR
650 50035010
650 50035014​
5 LITER GLASS SEALED ASSEMBLY TUB WITH BASE, CLAMP, AND STANDARD 45  MICRON NYLON INLET FILTER, SUPPORTED BY 250 MICRON STAINLESS STEEL MESH INLET SCREEN, FOR USE WITH TOP CAP, AND SELECTION OF MESH SCREEN OR FILTER BAG.NO PORTS.

REQUIRES SELECTION OF TOP CAP AND SCREEN MESH SIZE, OR TOP CAP AND FILTER BAG SELECTION
650 50035009
5 LITER GLASS TUB WITH BASE, AND STANDARD 45 MICRON NYLON INLET FILTER, SUPPORTED BY 250 MICRON STAINLESS STEEL MESH INLET SCREEN, FOR USE WITH SLIP ON FILTER BAG WITH ELASTIC BAND (NO TOP CAP) 
HUMIDITY TEMPERATURE PROBE (REQUIRES TUB WITH GL 32 PORT)


PULSER ATTACHMENT FOR DIFFICULT TO FLUIDIZE SAMPLES (AVAILABLE ALL MODELS)


CD ROM MULTI STEP SOFTWARE FOR CREATING, AND STORING DRYING PROFILES 
REQUIRES 650 92609052

COMPUTER CONNECTION CABLE, RS232, PLAIN, 9DM/9DF (REQUIRES 50186700 SOFTWARE)
SHERWOOD M 501 DRYER ACCESSORY SEALED TUB TOP CAP WITH 250 MICRON STAINLESS STEEL FILTER

SHERWOOD M 501 DRYER ACCESSORY SEALED TUB TOP CAP WITH 63 MICRON STAINLESS STEEL FILTER

SHERWOOD M 501 DRYER ACCESSORY SEALED TUB TOP CAP WITH 25 MICRON STAINLESS STEEL FILTER

SHERWOOD M 501 DRYER ACCESSORY SEALED TUB TOP CAP WITH 3 MICRON POLYESTER FILTER


SHERWOOD M 501 DRYER ACCESSORY SEALED TUB TOP CAP WITH NYLON FILTER BAG

SHERWOOD M 501 DRYER ACCESSORY SEALED TUB TOP CAP WITH NOMEX FILTER BAG
650 50035020

650 50035021

650 50035022

650 50035024


650 50035023

650 50035030
SEALED TUB OUTLET FILTER OPTIONS
650 50035402 BAG, FILTER, TERYLENE, LARGE               (MAX TEMP 150 c or 80 c FOR FOR WET SAMPLES)

650 50035400 BAG, FILTER, NYLON, LARGE                     (MAX TEMP 115 c WET OR DRY) 

650 50035404 BAG, FILTER, POLYPROPYLENE, LARGE   (MAX TEMP 100 c WET OR DRY)

650 50035407 BAG, FILTER, NOMEX, LARGE                    (MAX TEMP 240 c WET OR DRY) 
FILTER BAG OPTIONS
OPERATING INSTRUCTIONS M501
650 50135014
650 50135009
REQUIRES SELECTION OF A FILTER BAG
NOTES: THE FLUID BED DRYER REACHES A MAXIMUM EFFECTIVE TEMPERATURE OF 80 DEGREES CELSIUS, WHICH IS SUITABLE   
FOR DRYING MOST SAMPLE TYPES. IT IS NOT DESIGNED TO BE USED AS A REACTOR. 

NITROGEN IS IMPRACTICAL AS A SUPPLY GAS, DUE TO THE SHEAR VOLUME OF GAS REQUIRED.   
​650 50186500


650 50186001 


650 50186700


650 92609052
​ACCESSORY PACKAGES
BUY ONLINE
DYNAMIC MOISTURE ANALYSIS HOW IT WORKS
EXPERIMENT EXAMPLE 1
MANUFACTURING
DISTRIBUTION
TECHNICAL SERVICES ​FOR
ANALYTICAL INSTRUMENTATION

TELEPHONE (804) 318-3686
TOLL FREE   (866) 244-1578
SAMPLER CATALOGUE
OPERATING INSTRUCTIONS PREVIOUS MODELS
CLICK IMAGE FOR CLOSE UP
650 50035011
MULTI TUB DRYING UNIT & BASE. WITH STANDARD 45 MICRON INLET FILTER, SUPPORTED BY 250 MICRON 
STAINLESS STEEL MESH INLET SCREEN.

REQUIRES SELECTION OF 1-4 MINI-TUBS, WITH TOP CAP CONFIGURATION OR FILTER BAG CONFIGURATION 
MINI SEALED TUBS WITH STANDARD 45 MICRON NYLON INLET FILTER SUPPORTED BY 250 MICRON STAINLESS STEEL INLET FILTER
QTY FILTER BAG CONFIGURATION
QTY TOP CAP CONFIGURATION
MINI TUBS WITH STANDARD 45 MICRON NYLON INLET FILTER SUPPORTED BY 250 MICRON STAINLESS STEEL INLET FILTER
MINI TUB FILTER BAG SELECTION
MNI TUB TOP / BOTTOM FILTER SELECTION
ADDRESS INFORMATION
CLICK FOR DEMONSTRATION
STAINLESS STEEL