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Moisture in plastics processing is a key deciding quality factor and although the Karl Fischer method was the accepted test for determining dryness of materials in the molded plastics industry the MA100C is becoming the new method. Karl Fischer titration is a titration method in analytical chemistry that uses coulometric or volumetric titration to determine trace amounts of water in a sample. Karl Fischer is complicated to use compared to the Sartorius MA100. Also, Karl Fischer uses iodine and requires hazardous waste disposal and other safety issues.

Pre-processing moisture in the material will have a direct effect on the physical properties of the material. Inadequate material drying can compromise material properties and result weaker impact resistance and lower tensile strength. Routinely monitoring the moisture content of the plastics both before and during production will yield higher quality parts.

Plastic molders that are processing ABS, nylon, polycarbonate, polyester, acetyl and other plastic resins need to know the dryness of their materials. Many of the automotive and medical customers are no longer accepting dew point monitoring of the moisture and air temperature coming out the dryer exhaust port as a reliable measure of material dryness. Any molder with a grain of salt knows that although you might purchase pellets in sealed bags stating they are dry and "ready to mold," that a pin hole in that bag will result in your material having a much greater moisture content. The only way to guarantee the material is dry it before molding. The Sartorius MA100C allows you to monitor your dryers effectiveness and know your materials true moisture content. This will insure ideal processing conditions that protect material performance properties and prevent appearance issues such as splay or silver streaks. Yielding the molded plastic parts your customers deserve and demand.

The Sartorius MA100C is very easy to set up, quick to use and provides repeatable moisture content results.

Sartorius MA100C Moisture Analyzer features a Ceramic IR heating element and readability to 0.001‰ or 0.0001 grams. The advantages of a Ceramic element is that it can rapidly attains the final temperature to ensure a uniform distribution of infrared rays over the entire sample surface, thus eliminating localized burning. Flexible for use in research, development and quality control and designed for years of use in demanding production environments.

Other Sartorius innovations found in the MA100C include "ASAP" mode: automatic (endpoint) searching/automatic programming for quick determination of the drying parameters and easy programming of a drying routine; Fast and easy control of the accuracy through DIN/ISO-compliant self-testing and self-calibrating capabilities thanks to the built-in calibration weight with reproTEST function; and more. Review additional technical data on the Sartorius MA100C Moisture Analyzer here or review a comparison table of the full line of Sartorius Moisture Analyzers we offer here.

Need an idea what temperature to set the moisture analyzer, how long will the test takes, do I need the MA35 or MA100C, should I run in manual or auto? Find your particular sample in this database to give you an idea of the setup perimeters, sample prep and running time.

The MA100C is no longer sold by Sartorius USA. All information displayed herein is for people researching the specifications on the MA100.

Sartorius moisture balance MA100C

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Brand Model Capacity Readability
Sartorius moisture balance MA100C 100 g 0.1 mg
Add. Features
  • Grams
  • RS-232c
  • Internal Calibration
Comparable Scales

Ohaus MB45 Moisture Analyzer - $3710.25

Ohaus MB23 Moisture Tester - $2396.15

Sartorius MA35 Moisture Analyzer - $2020.00

Sartorius Moisture Balance MA35-FDA - $2225.00

Ohaus MB35 moisture measurement - $3250.40

A&D Weighing MX-50 Moisture Balance - $2795.00

A&D Weighing MF-50 Moisture Analyzer - $2260.00

Sartorius Moisture tester for plastics MA100H - $7367.00

Sartorius MA160 moisture analyzer - $3575.00

A&D Weighing MS-70 Moisture Content Tester - $4478.00

Sartorius MA37 moisture balance - $3045.00

Mettler Toledo HB43 Moisture Sensor - $4149.99

Adam Equipment PMB53 moisture tester - $2188.25

Adam Equipment PMB202 moisture analyzer - $2018.75
MSRP: $8590.00
YOU PAY $7167.00
Moisture balance
You Pay Sartorius MA100C Plastic Resin Tester $7167.00
The MA100C is no longer sold in the USA by Sartorius. All information displayed herein is for people researching the specifications on the MA100C. If you need moisture pans or glass fiber pads for your MA100C we sell these here.

If you need a moisture balance requiring resolution to 0.001% see the A&D MS70. The MS70 moisture balance is popular in plastics industry.

Weighing capacity 100 g
Accuracy of weighing system 0.1 mg
Readability 0.0001 g / 0.001 %
Repeatability (reproducibility)
initial sample weight > 1 g
± 0.1 %
Repeatability (reproducibility)
initial sample weight > 5 g
± 0.02 %
Temperature range 30 - 200°C
Temperature control (±°C) 1°C increments
Heat source Ceramic IR heating element
Timer settings 3 x 0.1 - 999 min.
Analysis modes Fully automatic
Timer settings
Asap® for parameter recognition
Timed mode + fully/semi-automatic
Access to sample chamber Motorized cover
Program Memories 30
Display modes % moisture
% dry weight (solids)
g residue
g/kg residue
mg weight loss
Calculated value (measured value x factor)
Data Interface RS-232 bi-directional (standard)
RS-485 (optional)
Data Printer Can be retrofitted in the housing - option YDP01MA
Calibration Built-in motorized calibration or external calibration with optional 50 gram ASTM Class 1
Meets FDA and HACCP regulations for no glass No - See Sartorius MA35-FDA
Pan Size (mm/inches) ø 90 mm / 3.5"
Housing Dimensions
(W x D x H),inches
13.3" x 17.8" x 6.1"
Optional Accessories Printer, RS-232 cable, RS-232 to USB converter kit, MoistureConnect Data Transfer Software, Carrying case, Temperature Adjustment Kit, Disposable Aluminum Dishes
Warranty 2 years manufacturer's warranty
Weight (approx. lbs) 17.6
moisture analyzer  Data Sheet plastic resin pellets  Download the brochure loaded with tons of information.
dry plastic User Manual plastic molding  Download the user manual. If you have a question how it works it is in the manual.
moisture sensor Learn about moisture injection molding dryer  Download this document explaining how a moisture balance works and the time & money it can save you.

sartorius display
   Graphic LCD with backlit to ensure easy viewing even in poor lighting environments.
sartorius balances sartorius moisture balance software
The moisture analyzer is operated whether using the keys on the display and control unit or a PC connected via the RS-232 MoistureConnect data transfer software, for reading weighing data into a PC is a $525.00 option for the Sartorius MA-Series.  Collecting data and generating graphics(drying curves)
sartorius moisture balances solids analyzer
The display is divided into section providing clear information of the operation running.  The top of the display shows the drying program and test function in process.

Infrared rays penetrate the sample without being impeded.  Having reached the interior of a sample, they are converted into heat energy, which stimulates evaporation, thus drying the sample.

percent solid analyzer
moisture meter
User-friendly design with pull out quick reference menu for easy of operation Optional data printer integrated into the analyzer housing to meet ISO/GLP requirements
sartorius weighing instruments ma100 sartorius moisture analyzer
Easy to clean design Rear of unit features RS-232 interface and fuse holders.
moisture balance heating element
printout to meet you regulator requirements
The heating element can be easily interchanged Optional Sartorius Printer provides GLP/GMP printouts.  ISO / GLP compliance
Read more about the Sartorius MA100C Moisture Analyzer with additional images & technical information here

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 MA100 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 MA100 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 MA100C Moisture Balances
Download the User Manual

(select the model & any of the options to the right and then the "BUY HERE" image)
Sartorius Moisture Determination Tester
Sartorius Filter glass fiber pad, box of 200 pads $44.10
Sartorius Filter glass fiber pad, [Case of 4000] $582.06
Sartorius Aluminum moisture pan, 1 box of 50 pans $32.00
Sartorius Aluminum moisture pan, [Case of 500] $164.84
sartorius AGOptions
100g ASTM Class 1 (± 0.25 mg) with NVLAP Cert $145.00
1mg-100g 21 Piece Class 1 Weight Set with NVLAP Cert $2059.00
9 pc. Weight Set (100 g - 1 g) Class 1 with NVLAP $1042.00
Cal-Paks 100g, 10g, and 20mg Class 1 with NVLAP $337.00
Cal-Paks 100g, 10g, and 200mg Class 1 with NVLAP $337.00
Cal-Paks 100g, 10g, 2g Class 1 with NVLAP $355.00
Temperature Adjustment Kit for MA150 & MA100 $375.00
Integrated Printer for MA100 (factory install) $670.00
YDP20-OCE Printer with statistics & time-date function $999.99
5 rolls of paper $51.00
Ink ribbon cassette $54.00
RS232 Cable 9 pin and 25 pin, 5 ft, IBM type $105.00
Sartorius YCC01-USBM2 cable (25-pin to USB type A) $145.00
Granite Isolator 13 x 15 inch $655.00

SEE OUR NEWEST MOISTURE ANALYZER - Sartorius MA160 moisture analyzer has a "Software Assistant Function" to start the development of your our test method parameters. See step by step how to test ketchup.

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 MA-100H 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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