Digital Hydrometers / Specific Gravity Tester
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- SG-Ultra
- SG-Ultra Max
- SG-Ultra Max Plus
- SG-Ultra Max Plus Ex Petrol
- SG-100M
- DM-Series
The SG-Ultra Max Plus Ex Petrol Digital Hydrometer / Density Meter is designed for portable density and specific-gravity testing in petroleum applications, including refineries, fuel terminals, offshore facilities, and transportation environments.
Built for Hazardous Petroleum Environments
- Intrinsically Safe — Designed for use in hazardous testing environments
- Petroleum-Resistant Construction — Wetted parts and specialized housing resist petroleum samples and similar solvents
- Sealed Industrial Housing — Helps protect the instrument from humidity and spills in demanding field conditions
Accepted for ASTM D7777-12 Testing
The SG-Ultra Max Plus Ex Petrol is an accepted field instrument for ASTM D7777-12, the test method for determining density, relative density, or API gravity of liquid petroleum using a portable digital density meter. The standard specifies a minimum accuracy requirement of 0.001 g/cm³.
Key Features
- Accuracy: 99.999% accurate, tests density and temperature simultaneously
- User-Friendly: Compact, lightweight, and allows for one-hand measurement, automatic temperature compensation
- Robust & Rugged: Comes with protective carrying case. Measuring cell can be exchanged and replaced if necessary
- Bluetooth Communication: Data exchange with a PC and data export to a printer
- Storage: up to 1,024 total measurement results including time stamp and sample ID
- Temperature: Automatic temperature compensation
Specifications
| 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 – 40 °C (14 – 104 °F) |
| Intrinsic Safety: | EX II 2 G Ex ib IIB T4 |
| 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) |
Resources & Support
Product Literature
Support Literature
FAQs
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
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