moisture analyzer, moisture determination
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Sartorius MA35 Gravimetric Moisture Balance
Sartorius MA150 moisture balanceMoisture Analysis in Minutes Not Hours.

The compact, space saving design is complemented by an easy to read backlit display and a manual flip up cover which opens wide for easy access to the chamber.  For further efficiency up to three user-defined programs can be stored in a non-volatile memory.  An optional printer is available for GLP compliant printouts.

The Sartorius MA35 replaces the powerful and rugged workhorse model MA45.  Thanks to a highly efficient metal tublar heater (infrared radiator), the MA35 can give you accurate, ultrafast results for all your samples in minutes, not hours (depending on the sample being analyzed).  The MA 35 moisture analyzer from Sartorius is the ideal solution, designed to make short work of routine moisture analysis for process quality control, research and development applications.

The secret to Sartorius success is in the heating source.  Other competitive models like the A&D MX-50/MF-50 moisture balance, the Ohaus MB35/MB45 moisture analyzer & several other brands use a halogen lamp as the heating source.  Not the Sartorius MA35, the heating source is a metal tubular IR heating element.  This desigh offers stable, consistent and fast heating because it distributes heat rays very evenly over the entire sample surface.  Plus the heaing elements also last longer, while halogen bulbs burn out and need to be replaced.  The final selling point of the Sartorius MA35 over competitive moisture balances is the Sartorius MA35 conforms to FDA requirements when optional metal panels in place of glass window panels.  If you're working in the food processing industry the FDA/ HACCP regulations do not want instrumentation with glass in the production area for food, since if glass breaks it would create a hazard and could fall into the food.

Typical applications for this moisture analyzer include regular random sampling and incoming inspection in the food and beverage, chemical, pharmaceutical, and building materials industries as well as in environmental monitoring.  You name it, the MA35 will analyze it - wherever you need to obtain fast and reliable moisture analysis results.

The Sartorius MA35 features a timer mode and fully automatic mode for end-point determination, the MA35 also has a manually adjustable semi-automatic mode.  The Sartorius MA35 replaces the Sartorius MA45 analyzer and offers 35 g weighing capacity, and its weight resolution is accurate to 1 mg using the rugged patented monolithic weigh cell by Sartorius.

Additional highlights include:
Choice of temperature settings from 40°C to 230°C
RS232 Interface for automated systems
Durable construction that is resistant to aggressive chemicals
High-contrast black on white display for easy viewing in any environment
Up to 3 user-definable programs can be stored in a non-volatile memory
Rugged construction with stainless steel weighing pan
Results displayed as:

  • % moisture
  • % dry weight
  • % ratio
  • weight of residue in grams
moisture balance

moisture determination
We always recommend people purchase moisture pans that are oil free Aluminum and provide even temperature across the pan.  If you ever need additional weighing pans we sell them in bulk, 500 pans to a case.

Some people believe that they can reuse the pans but this is never recommended.  Although you might clean off the pan the stains leave material from your last test or even moisture when you attempted to clean the pan.  Others believe they can use a piece of aluminum foil paper but this isn't always smooth and creates crinkles and thus uneven drying.  Always, always, always use a new moisture pan for each test.

Glass fiber pads distribute the heat better, prevents skinning over (this is when bubbles form).

The fiber pads are binder-free borosilicate glass fiber and therefore contain no binders (no foreign materials) or inert.

Slurry samples or when test times are long the sample skins over, bubbles up or splatters when the moisture testing is running, we recommend using filter pads with the moisture pans.

For testing liquids the pads are a must.  Place the moisture pan and pad on the moisture balance, adjust the setting time to zero so the Sartorius MA35 moisture analyzer is in auto mode and run the test with no sample on the pad.  Many times the fiber pads can hold up to 2% moisture and this preps the pan and fiber pad to be moisture free and only takes typically 1 minute with the MA35 moisture analyzer.

Now with the dry filter pads if you are working with a liquidity substance 70% water or more place the sample with an eye dropper, syringe or pipette is a spiral pattern and then cover with the filter pad.

For slurries and anything with bumps and chucks like corn slurry we recommend using two pads making like a sandwich (bottom pad - test sample - top pad).  Place the pan on the moisture balance and then place one pad on your table and then using a syringe or spoon apply the sample to the pad in a spiral pattern and now cover with a second pad.  Slightly squish the sandwich you just made to break up any chucks and the filter pads will absorb the moisture.  Now place the two pads with your sample sandwiched in-between and run your test.  You'll find more consistent and repeatable rest using the two pads.
  Sartorius MA150 Sartorius MA150-FDA Sartorius MA35Sartorius MA35-FDA
Model MA150 MA150-FDA MA35 MA35-FDA
PWB DISCOUNT PRICE See Price Here See Price Here See Price Here See Price Here
More information More technical info & loads of images More info & loads of images
Weighing capacity 150 g 35 g
Accuracy of weighing system 1 mg 1 mg
Readability 0.001 g / 0.01 % 0.001 g / 0.01 %
Repeatability (reproducibility), avg. (%)
initial sample weight > 1 g
± 0.2 % ± 0.2 %
Repeatability (reproducibility), avg. (%)
initial sample weight > 5 g
± 0.05 % ± 0.05 %
Temperature range 40 - 220°C 104 - 320 °F / 40 - 160 °C
Temperature control (±°C) 1°C increments 1°C increments
Heat source  Ceramic IR heating element CQR heater
(coiled quartz radiator)
Metal tubular-shaped heating elements (IR dark radiator)
Timer settings 1 + 0.1 - 99 minutes 1 x 0.1- 99 minutes
Analysis modes Fully automatic
Timer settings
Fully automatic, Timer settings
Access to sample chamber Hinged cover Hinged cover
Program Memories 20 1
Display modes % moisture
% dry weight (solids)
g residue
% moisture
% dry weight (solids)
g residue
Data Interface RS-232 unidirectional (standard) RS-232C data transmission
to printer or a computer
Data Printer Optional external Sartorius YDP03-0CE available Optional external Sartorius YDP03-0CE available
Calibration External Calibration - optional 100 gram ASTM Class 1 required External Calibration - 30 g Optional ASTM Class 1 required
Meets FDA and HACCP regulations for no glass No - See Sartorius MA150-FDA Yes No - See Sartorius MA35-FDA Yes
Pan Size (mm/inches) ø 90 mm / 3.5" ø 90 mm / 3.5"
Housing Dimensions
(W x D x H),inches
8.4" x 12.6" x 7.1"  8.8" x 14.4" x 7.5"
Accessories Printer, MoistureConnect Data Transfer Software, Carrying case, Temperature Adjustment Kit, Disposable Aluminum Dishes
Warranty 3 years manufacturer's warranty
Weight (approx. lbs) 12.1 12.8
Download User Manual MA150.pdf MA35.pdf
moisture content
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  sartorius moisture balance software
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Opens wide for excellent access.  Durable construction that is resistant to aggressive chemicals   MoistureConnect data transfer software, for reading weighing data into a PC is a $425.00 option for the Sartorius MA45.  Collecting data and generating graphics(drying curves)
thermogravimetric moisture analyzer

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  moisture analysis
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Place the sample in the weighing chamber, set your temperature and let the MA35 do the work.  It's fast and its easy.   Compact design with small dimensions and space-efficient footprint that's only 8.4 x 12.5 x 7 inches (WxDxH)
solids determination
[Click for Hi-Res Image]
  moisture balance for food processing applications
[Click for Hi-Res Image]
Sartorius MA35 moisture analyzer with glass panels shown above and image to the right shows Sartorius MA35 with metal panels.   Conforms to FDA requirements with metal panels in place of glass window panels.  Unit with metal panels meets FDA/ HACCP regulations (no glass allowed in production)
ceramic element
  even heat distribution
The Sartorius MA35 is packed with features designed for speed and efficiency, not least the ceramic IR heater (infrared radiator), which guarantees even distribution of heat and infrared rays over the sample surface.
wasterwater solids determination

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  printout to meet you regulator requirements
[Click for Hi-Res Image]
Field-proven, manual flip-up cover   Optional Sartorius Printer provides GLP/GMP printouts.  ISO / GLP compliance
Not sure what Sartorius Moisture Balance is best for you?   There is help HERE. 
Warning - Moisture balances should not be used on any volatile organic sample with flash points.  Even a MSDS rating of 1.  Samples with low flask points like Acetaldehyde -38°C or MEK -4°C should not be used with the Sartorius MA45 Moisture Balance and maybe you should look at Karl Fisher as an alternative.

Although you might presently perform analysis with an oven on these samples the ovens typically have ventilation and a much larger cavity than the typical moisture balance that operates on the principles of TGA.  In addition, with most moisture balances there is no ventilation so all the fumes remain inside the hood of the moisture balance.  We strongly recommend you consult with a safety specialist always prior to using any moisture balances for your safety.

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