SG-Ultra Max Plus Digital Battery Hydrometer / Digital Density Meter

Model # SG-Ultra Max Plus

The SG-Ultra Max Plus battery hydrometer measures the density and density-related values of your sample within seconds. Results appear on the large color touch screen and are ready for storage, printout or export to a PC. The lightweight and robust design enable on-site operation in a wide range of environments. Completely sealed, pump spills do not enter the instrument.

The SG-Ultra Max Plus digital density meter and battery hydrometer features a leak-proof housing for operation in industrial and field applications including battery testing for utilities and telecoms, food & beverage testing, quality control, biotechnology, and many more. Supported measuring units include: density, density at reference temperature, specific gravity, alcohol, API, °Baumé, °Brix, and ten programmable custom functions to ensure your measurement requirements.

SG-Ultra Max Plus Kit Includes:

  • SG-Ultra Max Plus
  • 180 mm Sample Tube
  • 2 mL Plastic Syringes
  • Luer Adapter 1/4” UNF
  • Bluetooth Adapter
  • Carrying Case
  • Electronic User Manual
  • Specifications
  • FAQs
  • Benefits
  • Beverage Solutions

Technical Specs

Measurement Range:Density: 0.000 – 3.000 g/cm3
Sample Temperature: 01 – 40 °C (321 – 104 °F)
Viscosity: 0 – 1,000 mPa
Accuracy:Density: 0.001 g/cm3
Temperature: ±0.2 °C (±0.4 °F)
Resolution:0.0001 g/cm3
Repeatability:0.0005 g/cm3
Minimum Sample Volume:2 mL
Communication:Bluetooth, RFID
Display:Backlit color with capacitive touch controls
Internal Storage:1024 Results
Operating Environment:-10 – 50 °C (14 – 122 °F)
Power Requirements:(3) 1.5 V LR06 AA Alkaline Batteries
Dimensions:245 x 103 x126 mm (9.6 x 4 x 5 in)
Weight:660 g (23.3 oz)
(1) Sample must not freeze in the measuring cell


What are some common applications areas for this product?
Common applications include but are not limited to:

  • Utilities
  • Telecom
  • Petrochemical
  • Aviation
  • Alcohol
  • Environmental
  • Food & Beverage
  • Cosmetics
  • Biotechnology
  • Laboratory Testing
  • Mining
  • Green Energy
  • Transportation
  • Uninterruptible Power Sources (UPS)
  • Laboratory Testing
  • General Quality Control

What is the measurement range of the SG-Ultra Max Plus Digital Hydrometer / Density Meter?
The density range is 0.000-3.000 g/cm3

Does the SG-Ultra Max Plus work with my solution?
The SG-Ultra Max Plus works with a vast range of solutions across many unique industries. The best method to verify if the unit will work with your solution is to compare the Ultra Max wetted parts list with a chemical compatibility chart of your solution (parts list found below):

SG Ultra Max Wetted Parts List:

  • Borosilicate glass Measuring cell, pump cylinder
  • PP (Polypropylene) Faradex MS002 Housing
  • PVDF (Polyvinylidene fluoride) Connection block, bolt
  • Viton O-ring

How accurate is the SG-Ultra Max Plus?
The SG-Ultra Max Plus is accurate to 0.001g/cm3 with repeatability of 0.0005

How does the SG-Ultra Max Plus communicate?
The Ultra Max utilizes Bluetooth and RFID.

What is the measurement range of the SG-Ultra Max Plus?
The density range is 0.000-3.000 g/cm3

How long does the SG-Ultra Max Plus take to display measurement results?
Measurement times vary depending on unit and sample temperature. The sample will have to equilibrate inside the measuring cell. This process generally takes only a few seconds but in some situations may take up to a minute

How many measurements does they SG-Ultra Max Plus Density Meter store?
The maximum stored results are 1,024

What file format is the data imported to the PC as?
Data is exported from the SG-Ultra Max Plus as either a CSV or TXT file. This can be viewed using Microsoft Excel or Exmons Ultra Plus software

What is the maintenance for the SG-Ultra Max Plus digital hydrometer?
Precise measurements demand a well-functioning precision tool. The device should be cleaned after each use. The consumable parts of the Ultra Max should be monitored closely and replaced regularly as needed

How often should I calibrate my SG-Ultra Max Plus digital hydrometer?
It is recommended to have the unit calibrated annually


  • 99.999% Accurate, tests density and temperature simultaneously
  • User-Friendly Compact, lightweight, and allows for one-hand measurement
  • Robust & rugged, comes with protective carrying case. Measuring cell can be exchanged and replaced if necessary
  • Wireless Communication via Bluetooth or data exchange with a PC and data export to a printer
  • Stores up to 1,024 total measurement results including time stamp and sample ID
  • Automatic temperature compensation

Beverage Solutions

  • Raw material quality control
  • Batch adjustments for alcohol, BRIX, and more
  • Fill level determintations using specific gravity and/or density
  • Alcohol determination for TTB tax purposes
  • Process monitoring and control

Beverage Solution Product Offering

For inexpensive, easy, quick batch testing and adjustments

For determining alcohol content, BRIX, fill levels and more

For process applications

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  • Model #
    SG-Ultra Max Plus

    Digital Hydrometer, Data-Logging,
    Range: 0.0000 – 3.0000

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