What standards does this instrument comply with?

The machine is designed in accordance with GB/T 611, GB/T 11540, GB/T 12206, and GB/T 5518 standards.

AU-300L Digital Displaying Direct Reading Liquid Density Meter, Density And Concentration Tester, Density Testing Instrument

Name: AU-300L Digital Displaying Direct Reading Liquid Density Meter, Density And Concentration Tester, Density Testing Instrument
Brand: Guangdong Hongtuo Instrument Technology Co., Ltd.
SKU: 869699885

Guangdong, ChinaGuangdong Hongtuo Instrument Technology Co., Ltd.

US$499.00-1,599.00

1 Piece

Product profile

Customization

Available

Warranty

2 Years;Life-Long Maintenance

Certification

Ce, FCC

Model NO.

AU-300L

Usage

Digital Display Liquid Density Meter

Power Supply

Defaulted As European Standard AC 100V - 240V;per

Density Resolution

0.001 g/cm3

Maximum Weight

300g

Minimum Weight

0.005g

Interface

RS-232

Delivery Time

2-7 Days

After-Sale Service Provided

Yes

Testing Before Delivery

Yes

Transport Package

Carton Packing

Trademark

Quarrz

Origin

Dongguan, China

HS Code

9027809900

Production Capacity

300 Sets/Month

Key features

High Precision Measurement: Density resolution up to 0.001 g/cm3 with a measurement range of 0.001-99.999g/cm3.

Versatile Liquid Testing: Measures movable, viscous, volatile, corrosive, high temp, and suspended liquids instantly.

Multi-Parameter Display: LM models display density, Baume degree, concentration, sugar degree, and Plato degree.

Fast & Stable Operation: Measurement time is about 5 seconds with high stability, reliability, and easy cleaning.

Data Connectivity: Features RS-232 interface for convenient connection to PC and optional AU-40 printer.

Lifetime Maintenance: Comes with a 2-year warranty and life-long maintenance support for all units.

Customization Options: Supports OEM/ODM services, custom certifications (CE, FCC), and power supply standards.

Wide Application Scope: Ideal for fine chemicals, petroleum, paints, inks, resins, edible oils, and beverages.

Company profile

Cooperated with Fortune 500High Repeat Buyers ChoicePatents AwardedManagement Certification

Guangdong Hongtuo Instrument Technology Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 11 years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤1.75h

AI-Powered supplier vetting

SummaryHongtuo demonstrates broad manufacturing, customization, and service capabilities. It operates customer service and after-sales centers in four Chinese cities, maintains documented quality and service procedures, and holds ISO9001:2015 and CE certifications. Its manufacturing scope includes tapping, laser marking, drilling, cutting, and welding, with in-stock capability and contracts with associated subcontractors. The supplier reports recent new-product activity, ODM capability, SDK availability, and multiple customization options. Evidence also indicates cooperation with Fortune 500 companies and a repeat-buyer proportion of 50%–80%. However, the provided information does not identify the supplier type, and its financial information is limited to reporting years rather than substantive financial indicators. It has no overseas warehouse or showroom, which may limit overseas physical service coverage.

CertificationsHongtuo reports an ISO9001:2015 management-system certificate and CE product compliance certification. These are explicit certifications relevant to quality management and product conformity.

After-Sales capabilityHongtuo has customer and after-sales service centers in Dongguan, Beijing, Shenzhen, and Hangzhou, offering technical consultation, solutions, installation training, business processing, and after-sales service. It also reports documented service procedures, corrective and preventive action procedures, and complaint-handling procedures with records.

R&D capabilityHongtuo reports new products during the past year, ODM service, SDK availability, and two R&D engineers responsible for technical support and new-product development. These facts provide explicit evidence of active R&D and product-development capability.

Production capacityThe supplier reports tapping, laser marking, drilling, cutting, and welding facilities, documented finished-product inspection instructions, two quality-control staff, five quality-control test devices, inventory capability, and valid contracts with associated subcontractors. This supports a defined production and quality-control operation.

Customization capabilityHongtuo explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same range is reported across its design and R&D capability information, indicating broad customization coverage.

Client casesHongtuo reports cooperation with Fortune 500 companies and a repeat-buyer proportion of 50%–80%. These statements provide direct evidence of notable customer experience and repeat purchasing, although no customer names or project details are supplied.

Product Q&A

Q:What types of liquids can this meter measure?

It can measure all kinds of liquids instantly, including movable, viscous, volatile, corrosive, high-temperature, suspended, and emulsification liquids.

Q:What is the density resolution and measurement range?

For AU-300L/AU-300LM, the resolution is 0.001 g/cm3 with a range of 0.001-99.999g/cm3. For AU-120L/AU-120LM, the resolution is 0.0001 g/cm3 with a range of 0.0001-99.9999g/cm3.

Q:Does the device support data output or printing?

Yes, it includes a standard RS-232 interface for connecting to a PC or printer. The optional AU-40 printer is available for printing results.

Q:What is the warranty and after-sales service?

The product comes with a 2-year warranty and provides life-long maintenance. After-sale service is provided, and testing is conducted before delivery.

Q:What are the minimum order quantity and delivery time?

The Minimum Order Quantity is 1 set. The delivery time is typically 2-7 days, with peak and off-season lead times within 15 workdays.