Specific Gravity Meters

Instruments used to measure the specific gravity or relative density of liquid samples.

Each element has a unique density, which can be used to identify it. Density measurement is used to monitor the quality of products and processes.

Density meters do not measure specific gravity directly, but it is inferred and calculated based on other measurements. Specific gravity or relative density is the sample density compared to a reference substance.

Digital density meters often use oscillation tube technology for rapid measurements. The sample is injected into a U-shaped glass tube, which is then oscillated. The resulting frequency is measured and used to calculate the density.

Some advantages of digital over manual measurements include:

Requires smaller sample volumes (less than 2 mL)
Rapid results (less than 60 seconds)
Accuracy (readability to 0.00002 g/cm³)
GLP compliance
Automation and high throughput

Benchtop digital density meters may also have built-in Peltier thermostats for better temperature control. They are typically used to measure density, specific gravity, alcohol, sugars, and API gravity.

Handheld density meters offer portable measurements of density, specific gravity, ethanol (alcohol), Brix, API gravity Baumé, H₂SO₄, Plato, Proof (US and IP), and other user-defined concentrations. They also include a thermometer for automatic temperature compensation.

Density meters may be used for:

Incoming goods and materials inspections
Final product quality control assessments
Measuring concentrations
Purity checks
Alcohol measurements

Density meters are also used in varied applications to measure liquids, slurries, and sludges flowing through pipelines and in mining, dredging, wastewater treatment, paper, oil, and gas industries.

Product Type

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Mettler Toledo™ Water Density Standard For Densito™ 30PX

Accessory for use with Mettler Toledo 30PX Density/Gravity Meters.

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Pricing and Availability

METTLER TOLEDO™ Handheld Density Meter

Designed to fit comfortably, the lightweight Densito allows for one-handed operation in the lab or on-the-go. Results are temperature-compensated and can be delivered in specific gravity, Brix, API units, and other formats.

Pricing and Availability
Specifications

Height (Metric)	20 cm
Tolerance	±0.0005
Sample Volume	2 mL
Languages	Chinese, Danish, Dutch, English (GB), English (US), French, German, Italian, Norwegian, Polish, Portuguese (BR), Russian, Spanish, Swedish, Thai, Czech, Slovak
For Use With (Application)	Measurement of Density, Specific Gravity, Ethanol, Brix, API2, Baumé, H2SO4, Plato, Proof (US and IP), User-defined Concentration
Measurement Time	Sample Dependent
Accuracy	±0.001 g/cm³
Display Type	2.4 in. color screen
For Use With (Equipment)	EasyDirect PC Software, Bluetooth Printer Godex MX20 with Dongle, USB-P25 Printer, Filling Tubes, Syringe Adapter
Product Type	Handheld Density Meter
Temperature Range (Metric)	0°C to 50°C
Interface	2.4 in. color screen, buttons and joystick
Weight (Metric)	355 g
Resolution	0.0001 g/cm³
Measurement Range	0 to 3 g/cm³

Bellingham + Stanley™ DSG Series Digital Density Meters

The DSG Series Density Meter with touchscreen and Peltier temperature control system measures Density (g/cm³), Specific Gravity, Sucrose (% w/w in °Brix), Ethanol (% w/w, % v/v), API and user scales on request.

Pricing and Availability
Specifications

Height (Metric)	24 cm
Display Type	Color Touchscreen
For Use With (Equipment)	RFM Refractometer
Product Type	Benchtop Density Meter
Sample Volume	2 mL
Quantity	1 Meter
Languages	English, French, German, Spanish, Portuguese, Italian
For Use With (Application)	Measuring Density, Specific Gravity, Alcohol, Sugar, API
Temperature Range (Metric)	10°C to 95°C
Measurement Time	15 sec.
Interface	Serial Interface, USB, LAN
Measurement Range	0 to 3 g/cm³