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Ohaus MB-Series Moisture Balances

Ohaus MB-Series Moisture Balances

Ohaus MB-Series Moisture Balances
currently in stock
FREE UPS Ground Shipping
(within the 48 continental US States)
Shipping Weight: 16 lbs (estimate shipping cost)
Moisture Scales
Laboratory Scales
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Other Ohaus Products


Options: Temperature Calibration Kit (11113857), Add $429.30
Security Device (470004-010), Add $166.50
RS-232 Cable, IBM 9 pin (80500525), Add $139.50
In Use Cover (80850085), Add $56.70
TAL Software, WinWedge v1.2 (SW12W), Add $393.30
Sample Pan Handler (11113873), Add $104.40
Sample Pans, 50 pack (80850086), Add $45.90
Reusable Pans (80850088), Add $149.40
Glass Fiber Pads, 200 pack (80850087), Add $74.70
Ohaus 80251992 Palm-Sized Thermal Printer, Add $559.80
Ohaus SF40A Portable Dot-Matrix Impact Printer, Add
Cable for MB to SF-42 Printer (80500571), Add $139.50
SF-42 Printer Ribbon (12120798), Add $39.60
SF-42 Paper Refill, 5 pack (12101511), Add $56.70

From basic to advanced, the Ohaus MB Series of moisture analyzers offer superior performance and great value.

Ohaus MB-Series moisture analyzersOhaus MB-Series moisture balances are the full featured, compact moisture scales for every budget! Perfect for environmental, quality control, food and beverage, chemical, pharmaceutical industries, and more, this fast, rugged moisture analyzer gives you the flexibility you need and the accuracy you require for moisture determinations. The Ohaus MB-Series moisture balance is designed to quickly, effectively and affordably measure moisture content. Ohaus moisture Balances incorporate state-of-the-art halogen heating with precision weighing technology to give a fast and accurate method for moisture content determination.

Perfect for applications in the pharmaceutical, chemical and research industries; versatile and rugged enough for continuous operation in food and beverage, quality control, environmental and many other applications. The Ohaus MB series moisture balances feature excellent repeatability properties for consistent accuracy during testing. The MB series is manufactured to ISO 9001 quality assurance specifications for traditional Ohaus quality.

Ohaus MB-Series moisture analyzersHeating at Light Speed

Infrared halogen heating technology begins the sample drying process in seconds. The uniquely designed gold reflective interior test area creates uniform distribution of heat to increase performance while decreasing test time.

  • Precision Heating - temperature settings are incrementally controlled by the software for test accuracy
  • Lighting Startup - test area reaches full temperature in less than one minute
  • Rapid Results - infrared halogen heating performs up to 40% faster than traditional infrared methods
    Ohaus MB-Series moisture analyzers
  • Easy Temperature Calibration with optional kit

Standard Features:

  • Fast halogen heating element provides uniform infrared heading and durability for extended use
  • Superior analytical weighing performance with readability up to 0.001 g, 0.01% moisture
  • Unsurpassed Software - powerful features, program storage and user customization found in premium analyzers with the ease of use not yet found in any other analyzer.
  • Compact size: only 8.5 x 14.5 inches -- suitable for in-process testing and uses minimum space requirements in laboratory applications
  • Large backlit 128 x 64 pixel LCD display for easy viewing
  • GLP compliant format when printed results are required
  • Standard RS232 port for easy communication with printer or computer
  • Multi-language display text (English, Spanish, French)
  • Halogen heating for rapid drying
  • Two different models available: 45 g capacity with 0.001 g / 0.01% resolution (MB-45) or 35 g capacity with 0.005 g / 0.05% (MB-35)
  • FAST - halogen element provides uniform infrared heating up to 40% faster than traditional IR.
  • 2 year Ohaus warranty

Special Features

  • Fast halogen element provides uniform infrared heating for extended use up to 200ºC
  • Superior analytical performance: Two models to choose from with readability of either 1.0 mg, 0.01% moisture and 45 gram capacity (MB-45), or 0.5 mg, 0.05% moisture and 35 gram capacity (MB-35).
  • Powerful software for ease of operation, program storage and user customization
  • Heating at Light Speed
  • Compact size, only 8.5" x 14.5", suitable for in-process testing and uses minimum space requirements in laboratory applications
  • Large backlit 128 x 64 pixel LCD display for easy viewing
  • GLP compliant format when printed results are required
  • Standard RS232 port for easy communication with printer or computer
  • Multi-language display text (English, Spanish, French)
  • Infrared halogen technology begins drying your sample in seconds. The unique gold reflective housing serves to create a more uniform distribution of heat, improving analyzer accuracy
  • Precise Heating – software allows you to control temperature in 1ºC increments, up to 200ºC
  • Lightning Start-Up – heat from 50ºC to 180ºC in less than 1 minute
  • Rapid Results – infrared halogen heating performs up to 40% faster than traditional infrared methods.


Model MB45 MB35 MB25 MB23
Price $3710.25
Capacity 45g 35g 110g 110g
Repeatability (Std Dev) (g) 0.05% (3g sample)
0.015% (10g sample)
0.18% (3g sample)
0.02% (10g sample)
0.2% (3g sample)
0.05% (10g sample)
0.3% (3g sample)
0.2% (10g sample)
Readability 0.01% / 0.001g 0.02% / 0.002g 0.05% / 0.005g 0.1% / 0.01g
Sample Size 3g to 20g typical, 0.5g min.
Output Bidirectional RS-232 w/ GLP/GMP Bidirectional RS-232
Heating Technology Halogen with ramped voltage to save bulb life Infrared (no glass)
Temperature Range 50°C to 200°C in 1° increments 50°C to 160°C in 5° increments
Heating Options 4 (Fast, Standard, Ramp, Step) (1) Standard
Shutoff / Timing Criteria Manual, Custom, pre set 1-120 minutes in 10-second increments or Auto Manual, 1-120 min, 30-ses. Inc. to 60 min 1 min. incr. from 60 - 120 min or Auto Manual, Timed 1 - 99 minutes, 30-second increments to 60 minutes, or Auto
Power 120, 240 VAC 50/60 Hz 100 to 240 VAC, 50/60 Hz
Tare Range To capacity by subtraction
Operating Temperature Range 41° to 104°F / 5° to 40°C
Calibration Weight and temperature calibration (masses and temperature kit sold separately)
Display Type 128 x 64 pixel dot matrix backlit LCD display Custom backlit LCD
Test Database 50 procedure test library NA
Result Displays % moisture, % solids, % Regain, statistics, time, temperature, weight (g), test ID, drying curve % moisture, actual weight (g), actual temperature and test time % moisture or % solids or weight (g), temperature, time
Display Language English, Spanish, French, Italian, German English, Spanish, French English
Pan Size (Diameter) 3.5 inch / 90 mm
Dimensions (W x H x D) 7.5 x 6 x 14.2 inches / 19 x 15.2 x 36 cm 6.5 x 5 x 11 inches / 17 x 13 x 28 cm
Net Weight 10.1 lb / 4.6 kg 5 lb / 2.3 kg
Shipping Weight 14.1 lb / 6.4 kg 8.5 lb / 3.9 kg
Model MB45 MB35 MB25 MB23
Textiles/Cotton - - YES YES
Wastewater YES YES YES YES
Quality Control YES YES - -
Agriculture YES YES YES YES


MB-45 Advanced Moisture Analyzer

Ohaus MB-45 moisture analyzersFor maximum Value, the MB45 is the standard in high performance moisture content determination. The MB45 features a sample capacity of 45 grams, with a readability of 0.001 g and repeatability to 0.015% (using 10 g sample). An integrated database stores up to 50 drying procedures for maximizing productivity, simply recall the test from memory and begin.

  • Four selectable automatic drying programs allow for easy one-step drying, simply set the temperature and time and begin
  • Four enhanced heating options
  • Statistical function for simple tracking and recording of standard deviation over time. The MB45 moisture Balance does all the calculations and provides the end result. Great for Quality Control and Assurance Applications
  • Operating temperature range from 50° to 200° C
Unique Auto Shut-Off Options
  • Choice of three preprogrammed end points for automatic test completion
  • Custom design your own test end point criteria
  • Timed tests with audible signal when finished
Enhanced Heating Options
  • Fast - for quickest possible time to temperature
  • Standard - for minimal overshoot while achieving temperatures quickly
  • Ramp - for controlled ramping to temperatures
  • Step - set three temperatures for difficult samples
Ohaus MB-45 moisture analyzers
Display shows % moisture, % solids, weight, time, temperature, drying curve and more

Ohaus MB-45 moisture analyzers
Test Library to Store, Edit and Run Tests

  • Powerful - program and recall up to 50 drying procedures
  • Easy - once programmed, simply select and run test
  • Flexible - allows simple test editing to find best results


Ohaus SF-42 Impact Printer

Ohaus SF-42 impact printerOhaus is introduces its newest compact impact printer, the SF42. Coupled with an Ohaus balance featuring GLP functions such as the MB45, Explorer and Navigator, the SF42 is the economical choice for providing a fully documented audit trail. Audit trails required to meet today’s most stringent standards for quality and verification.

  • Compact design
  • Quick and easy setup
  • Ink ribbon prevents fading
  • Self test mode assures proper functionality
  • Compatible with Ohaus balances equipped with RS232 interface

General Specifications:

  • Interface: Serial (RS232 Compatible)
  • Printer Method: Impact Dot Matrix (Inked Ribbon)
  • Character Format: 5 x 7 Dot Matrix
  • Character Dimension: (in/cm) 0.04 x 0.10 / .11 x .26
  • Character Density: 42 Characters per line
  • Printing Speed: 40 lines per minute
  • Paper Width: (in/cm) 2.25/5.7
  • Power Adapter: AC adapter (110/120, 220/240 VAC) 50/60Hz
  • Power: 9 V dc, 600mA, (center pin positive)
  • Operating Temp. 32°to 104F°/0°C to 40°C
  • Dimensions (W x H x D) (in/cm): 4 x 3.7 x 7.3 / 10.4 x 9.6 x 18.6
  • Weight (lb/kg) 1.3 / 0.59 (without internal paper roll)

Interface Specifications:

  • Connector: 25 Pin D type (Female)
  • Baud Rate: Selectable (1200, 2400, 4800, 9600)
  • Data Bit: 7 or 8
  • Parity: Even, odd or none
  • Stop Bit: Auto select


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