Heathrow Scientific® Baume Hydrometers

Precision for heavy liquids.

Achieve accurate measurements for liquids heavier than water with Heathrow Scientific® Baume Hydrometers. These high-quality instruments use the Baume Scale, which calculates specific gravity using the formula:

Specific Gravity = 145 / (145 - degrees Baume)

Ideal for industrial, chemical, and laboratory applications, these hydrometers provide reliable readings for a wide range of heavy liquid solutions.

Main Attributes

• Available in a wide variety of Baume ranges for different applications
• Durable glass construction for long-lasting performance
• Approximate length: 305 mm (12 inches)
• Calibrated for precision and consistency

Perfect for professionals who require dependable measurements in chemical processing, food production, and quality control environments.

Specifications
 

Item #	Baume Range	Subdivision	Length
6609-1	0 to 12°	0.1°	12 In. | 305 mm
6609-2	9 to 21°	0.1°	12 In. | 305 mm
6609-3	19 to 31°	0.1°	12 In. | 305 mm
6609-4	29 to 41°	0.1°	12 In. | 305 mm
6609-5	39 to 51°	0.1°	12 In. | 305 mm
6609-8	0 to 15°	0.1°	12 In. | 305 mm
6609-9	0 to 25°	0.2°	12 In. | 305 mm
6609-10	0 to 35°	0.5°	12 In. | 305 mm
6609-11	0 to 50°	0.5°	12 In. | 305 mm
6609-12	35 to 70°	0.5°	12 In. | 305 mm
6609-14	0 to 70°	1.0°	12 In. | 305 mm
6609-15	0 to 90°	1.0°	12 In. | 305 mm

 

Heathrow Scientific® Plato Hydrometers

Accurate wort measurement for brewing.

Heathrow Scientific® Plato Hydrometers are designed for precise measurement of extract concentration in brewery wort using the Plato scale. Calibrated at 20°C, this hydrometer displays extract as a percentage by weight, making it an essential tool for brewers. For example, a reading of 5°P indicates 5 grams of extract per 100 grams of wort. Ideal for professional and craft brewing applications.

Main Attributes

• Measures extract concentration in wort using the Plato scale
• Calibrated for accurate readings at 20°C
• Commonly used in the brewing industry for quality control
• Durable and reliable for repeated use

Specifications
 

Item #	Plato Range	Plato Subdivision	Temp. Range	Thermometer Subdivision	Thermometer Liquid Fill
6614TS-5	0 to 8.5°	0.1°	0 to 50°C	1°C	Spirit
6614TS-6	7.5 to 16°	0.1°	0 to 50°C	1°C	Spirit
6614TS-7	15.5 to 24°	0.1°	0 to 50°C	1°C	Spirit
6614TS-8	0 to 32°	0.5°	30 to 120°F	2°F	Spirit

 

Heathrow Scientific® Liquid Petroleum Gas Hydrometers

Accurate LPG measurement.

Heathrow Scientific® LPG Hydrometers are designed for precise measurement of the specific gravity of liquid petroleum gases such as propane, butane, and other light hydrocarbons. This hydrometer includes an internal thermometer for accurate temperature readings, ensuring reliable results in laboratory and industrial applications.

Main Attributes

• Calibrated for use at 15°C (60°F) for standard measurements
• Built-in thermometer with safety blue liquid fill
• Ideal for LPG testing, including propane and butane
• Durable construction for long-term use in demanding environments 

Specifications
 

Specific gravity range	0.500 to 0.650
Specific gravity subdivisions	0.001
Temperature range	30 to 90°F
Thermometer subdivisions	1°F
Thermometer liquid fill	Safety Blue
Length	14.4 In. | 365 mm

 

Heathrow Scientific® IRS Alcohol Hydrometers

Accurate proof scale measurement.

Ensure precise alcohol content verification with Heathrow Scientific® IRS Alcohol Hydrometers, designed to meet IRS specifications and calibrated for accuracy at 60°F. These high-quality glass hydrometers use the proof scale to measure ethyl alcohol-based spirits with exceptional reliability.

Each hydrometer is individually tested and inspected for uniformity and dependable performance. With an approximate length of 12 inches, these hydrometers are ideal for distilleries, laboratories, and quality control applications.

Main Attributes

• Complies with IRS specifications
• Proof scale for accurate alcohol measurement
• Individually tested for precision and reliability
• Calibrated at 60°F for consistent results
• Durable glass construction, approx. 12 inches long

Specifications
 

Item #	Proof Range	Subdivision	Tolerenace	Internal Rev. Size	Length
6613-B	80 to 120	0.5	±0.5%	B	9.1 In. | 230 mm
6613-F	0 to 20	0.2	±0.3%	F	12 In. | 305 mm
6613-G	20 to 40	0.2	±0.4%	G	12 In. | 305 mm
6613-H	40 to 60	0.2	±0.4%	H	12 In. | 305 mm
6613-I	60 to 80	0.2	±0.3%	I	12 In. | 305 mm
6613-K	75 to 95	0.2	±0.3%	K	12 In. | 305 mm
6613-L	90 to 110	0.2	±0.3%	L	12 In. | 305 mm
6613-M	105 to 125	0.2	±0.3%	M	12 In. | 305 mm
6613-N	125 to 145	0.2	±0.3%	N	12 In. | 305 mm
6613-P	145 to 165	0.2	±0.3%	P	12 In. | 305 mm
6613-Q	165 to 185	0.2	±0.2%	Q	12 In. | 305 mm
6613-R	185 to 206	0.2	±0.2%	R	12 In. | 305 mm

 

Heathrow Scientific® Battery Acid Hydrometer and Syphon Set

The Heathrow Scientific® Battery Acid Hydrometer and Syphon Set is designed for accurate measurement of battery acid specific gravity in a variety of industrial applications, including fleet maintenance, automotive services, solar-powered systems, and general industrial use.

This set includes a specific gravity hydrometer and a glass syphon tube equipped with a nitrile rubber bulb, nozzle, and clamp for durability and chemical resistance. The reinforced storage box is compartmented to prevent breakage, ensuring long-lasting reliability.

Main Attributes

• Rubber components made of nitrile rubber for chemical inertness and durability
• Reinforced, compartmented storage box for added protection
• Calibrated for accurate readings at 77°F
• Replacement parts are available

Ideal for professionals who need precise and dependable battery acid measurements in demanding environments.
 

The OHAUS High-Performance pH Meter for Standard Lab Applications (30058489) has been discontinued.

A replacement model (AB23PH-F) can be found here.

OHAUS pH Meters
 

ST2100-E

After more than a century of perfecting the art of measurement through our durable weighing products, OHAUS precision is now available in a line of benchtop pH meters. Starter 2100 is the economical choice for applications requiring simple pH measurement.

Applications
pH, oxidation-reduction potential (ORP) measurement

Display
Liquid crystal display (LCD)

Operation
AC adapter (included)

Communication
N/A

Construction
ABS housing, built-in electrode holder

Design Features
Auto buffer recognition, two-point calibration, quick reference guide

ST3100-F

Starter 3100 has many smart features that make it as intuitive as it is accurate for standard pH measurement.

Applications
pH, oxidation-reduction potential (ORP) measurement

Display
Backlit liquid crystal display (LCD)

Operation
AC adapter (included)

Communication
RS232 (included)

Construction
ABS housing, standalone electrode holder, replaceable in-use cover

Design Features
99 measurement memory, automatic and manual endpoint functions, automatic and manual temperature compensation, quick reference guide

ST5000-F

Starter 5000 provides accurate pH and ORP measurement for high-level experiments and research. Enhanced features, advanced technology, and high performance have been combined to support complex laboratory tasks requiring pH measurement.

Applications
pH, oxidation-reduction potential (ORP) measurement

Display
Backlit liquid crystal display (LCD), touchscreen

Operation
AC adapter (included)

Communication
RS232 and USB (included). GLP/GMP data output with real-time clock.

Construction
ABS housing, standalone electrode holder, replaceable in-use cover

Design Features
3 endpoint modes, continuous measurement mode, up to 9-point calibration, 1,000 measurement memory

Specifications

Heathrow Scientific® Lab Dial Thermometers

Accurate temperature measurement.

Heathrow Scientific® Lab Dial Thermometers are designed for precision and durability in laboratory and industrial applications. Featuring an 8 In. stainless steel stem, a large glass dial face, and a secure attachment clip, this thermometer ensures reliable temperature readings across a wide range of scales.

Ideal for food and beverage quality control, general laboratory use, and asphalt/concrete testing, this thermometer combines robust construction with ease of use. Choose from multiple temperature scales to meet your specific requirements.

Main Attributes

• 8 In. stainless steel stem for durability and accuracy
• Large glass dial face for easy reading
• Includes attachment clip for secure placement
• Available in a wide range of temperature scales

Specifications

Heathrow Scientific® Serialized Glass Thermometers

Heathrow Scientific® Serialized Glass Thermometers are crafted from premium borosilicate glass for exceptional durability and accuracy. Each thermometer features a clear, permanently etched scale and a safety blue fill against a white background, ensuring easy-to-read measurements in any setting.

Available in a wide range of temperature ranges, these thermometers are ideal for scientific research, industrial processes, and educational applications.

Main Attributes

• Safety blue fills for enhanced visibility
• Premium borosilicate glass construction
• 12-inch length for convenient handling
• Multiple temperature ranges available
• Approximate Length 12 In. (80905 and 80910 are 15.375 In.) 

Designed for precision and reliability, these serialized thermometers deliver accurate temperature readings you can trust.
 

Heathrow Scientific® Pocket Dial Thermometers

Compact and accurate.

Heathrow Scientific® Pocket Dial Thermometers are the perfect solution for on-the-go temperature measurement in food and beverage quality control, general laboratory use, and asphalt/concrete testing. Its compact design features a small stem and dial face that fit easily into a shirt pocket or holder, making it convenient for field and lab work.

Each thermometer includes a protective stem cover for safe transport and storage. Built with a durable polycarbonate lens, it withstands frequent use and harsh conditions. Available in a wide range of temperature scales to meet diverse application needs.

Main Attributes

• Small stem fits into cover for secure pocket attachment
• Compact design for portability and ease of use
• Durable polycarbonate lens for long-lasting performance
• Includes stem cover for safe transport and storage
• Wide variety of temperature ranges available 

Specifications
 

Item #	Temp. Range	Temp. Resolution	Dial Diameter	Stem Length	Stem Cover
81070	-40 to 70°C	1°C	1 In. | 25 mm	5 In. | 127 mm	Yes
81110	-10 to 110°C	1°C	1 In. | 25 mm	5 In. | 127 mm	Yes
81125	25 to 125°F	1°F	1 In. | 25 mm	5 In. | 127 mm	Yes
81550	50 to 550°F	5°F	1 In. | 25 mm	5 In. | 127 mm	Yes

 

Heathrow Scientific® Hydrometer Cases

Durable PVC protection for your hydrometers.

Keep your hydrometer safe and secure with Heathrow Scientific® Hydrometer Cases. Crafted from high-quality polyvinyl chloride (PVC), these protective cases are designed to prevent damage during storage or transport. Each case features a foam or felt padded insert, plus a padded bottom and cap for extra cushioning. Ideal for laboratories, breweries, and any environment where hydrometers are used, these cases ensure long-lasting protection and convenience when your hydrometer is not in use.

Specifications
 

Item #	Material	Style	Length
66CS-8	PVC	Standard	8.5 In. | 216 mm
66CS-8F	PVC	Short	8.5 In. | 216 mm
66CS-13	PVC	Standard	13.5 In. | 343 mm
66CS-13J	PVC	Wide Body	13.5 In. | 343 mm
66CS-16	PVC	Standard	16.5 In. | 420 mm

 

Heathrow Scientific® Sodium Chloride Refractometers

Accurate NaCl measurement.

The Heathrow Scientific® Sodium Chloride Refractometer is engineered for precise NaCl concentration measurements in industrial and laboratory settings. Featuring large, high-contrast display scales, this refractometer ensures easy readability with sharp figures and clear screen shading.

Includes automatic temperature error reduction via a tactical rubber grip, which prevents heat transfer from hands. A high-quality optical glass prism mounted in an all-metal housing allows for rapid temperature equilibrium for consistent results. A non-roll stand feature is included for stability on flat surfaces.

Each unit includes

• Zippered vinyl carrying case
• Plastic transfer pipette
• Instruction manual
• 5-year warranty 

Main Attributes

• Industrial-grade construction for long-lasting performance
• Large, sharp display scales with excellent contrast
• High-quality optical glass for accurate readings
• Non-slip rubber grip to minimize temperature effects
• Prism encased in a metal housing for quick thermal balance
• Maximum sample temperature: 90°C (194°F)
• Backed by a five-year warranty

Ideal for food processing, chemical analysis, and quality control applications.
 

Heathrow Scientific® MDX Digital Refractometers

The MDX-Series Digital Refractometers deliver compact, durable, and highly accurate performance, making them ideal for both laboratory and field applications. With IP65/67 ratings, these refractometers are built to withstand challenging environments while providing quick, reliable digital readings.

Main Attributes

• Automatic Temperature Compensation (ATC) for precise results
• Continuous loop average readings for improved accuracy
• Switchable °C/°F temperature display
• Large, easy-to-read LCD screen for intuitive operation
• Simple cleaning with removable prism cover and rubber grip
• 1-Year Warranty

How It Works

Place 4 to 5 drops of your sample into the well, close the prism cover, and press READ for instant results. Designed for ease of use, fast cleaning, and dependable performance, the MDX-Series is perfect for food and beverage testing, industrial applications, and scientific research.