Lonn-800 Touch Screen Portable Tuning Fork Density Meter for Liquid Testing

Name: Lonn-800 Touch Screen Portable Tuning Fork Density Meter for Liquid Testing
Brand: Xi'an Lonn M&E Equipment Co., Ltd.
SKU: 2297132635

Shaanxi, ChinaXi'an Lonn M&E Equipment Co., Ltd.

US$2,000.00

1-4 Pieces

US$1,850.00

5-99 Pieces

US$1,720.00

100-499 Pieces

US$1,530.00

500+ Pieces

Sample price:US$2000.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

LONN-800

Accuracy

±0.003G/Cm3

Maximum Measurement Range

0~3G/Cc

Density Meter Type

Online Density Meter

Viscometer Type

Vibration

Density Meter Principle

Vibrating Density Meter

Test Density

Heavy

Viscometer Reproducibility

±0.2%

Reaction Rate

Daume Degree

0.5be

Concentration Range

0~100% (20c)

Concentration Accuracy

±0.5%

Medium Temperature

0~60°C

Ambient Working Temperature

-40~85°C

Max Medium Viscosity

<1000 MPa·S

Standard Wetted Material

316L Stainless Steel

Optional Wetted Material

Hastelloy, Zirconium

Main Unit Size

170 mm * 50 mm

Display Type

Touch Screen

Transport Package

OEM ODM

Specification

170 mm * 50 mm

Trademark

LONNMETER

Origin

China

Key features

Handheld touch screen integrated design, built-in 3.7VDC rechargeable lithium battery, no external power required for field testing

3 display modes optional: Density, Concentration, Baume Degree; pre-stored 10 common liquid conversion programs for one-click medium switching

Built-in PT100 temperature sensor with automatic temperature compensation to eliminate temperature-induced measuring drift

Multiple anti-corrosion wetted materials for option: Standard 316L stainless steel, optional Hastelloy and zirconium for strong acid & alkali solutions

Multiple calibration functions supported: Pure water zero calibration, PV value fine trimming, adjustable damping filter to stabilize fluctuating data

Multi-industry universal tester, applicable to petroleum, chemical, pharmaceutical, food & beverage, lithium battery electrolyte, ammonia synthesis, desulfurization and laboratory testing

Company profile

Full CustomizationStandardized quality controlPrivate MoldProduct Certification

Xi'an Lonn M&E Equipment Co., Ltd.

Shaanxi, 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: 12 Years CertifiedNearest Port: ShenzhenAverage Response Time: ≤3.64h

AI-Powered supplier vetting

SummaryThe supplier is a combined manufacturing and trading entity focused on food thermometers and intelligent or electronic measuring instruments. It reports extensive customization and ODM capability, recent new-product activity, OEM service for well-known brands, and production of 5,000,000 thermometers annually across three production lines. Quality controls include documented finished-product inspection instructions, although only two quality assurance and quality control inspectors are specifically reported in one slice and certification of supplier management systems is listed as NIL. The supplier has export experience, with 90% of sales reportedly from exports and primary markets in Europe and North America. Manufacturing contracts and in-stock capability are available, but no overseas warehouse or showroom is reported. Service-management weaknesses include no written procedures or records for service assessment, corrective actions, or complaint handling. Financial information is referenced for...

Supplier typeThe supplier is identified as a combined company, with a business scope covering manufacturing of intelligent instruments and electronic measuring instruments, along with sales and retail of Class I and Class II medical devices. This supports classification as a combined manufacturing and commercial supplier rather than a purely trading entity.

CertificationsThe supplier management-system certification field is explicitly listed as NIL. Although finished-product inspection instructions are documented and uniformly followed, the provided evidence does not show possession of management-system certifications.

After-Sales capabilityThe supplier reports no written procedures or records for assessing service capability, corrective and preventive actions, or effective customer-complaint handling. It does have manufacturing contracts with associated subcontractors and in-stock capability, but no overseas warehouse or showroom service is available.

R&D capabilityThe supplier reports new products during the past year, ODM service, and two years of total R&D-engineer experience. It also reports no available SDK, so the evidence supports product-development capability but not software-development integration capability.

Production capacityThe supplier reports three production lines, annual thermometer output of 5,000,000 pieces, in-stock capability, valid manufacturing contracts with associated subcontractors, and a one-month average lead time in both peak and off-season. These data indicate established production capacity, although the separately stated number of quality assurance and quality control inspectors is two.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services, directly supporting broad customization and original-design capability.

Product Q&A

Q:Q1: What liquids and industries can this tester measure?

A: It supports 10 built-in liquid modes: ethanol, ammonia water, urea, methanol, sulfuric acid, hydrochloric acid, sodium hydroxide, ethylene glycol, Brix sucrose, hydrogen peroxide. Widely used in petroleum, chemical, pharmaceutical, food & beverage, lithium battery electrolyte, ammonia synthesis, desulfurization industries, also applicable to laboratory daily testing and production line on-site inspection.

Q:Q2: Does the instrument require external power supply? How long is the battery life?

A: Built-in 3.7V rechargeable lithium battery, no external power required. Auto power-off function saves power. If used 3-4 hours daily for routine inspection, it can work continuously for 5-7 days. Low battery prompt will pop up when power runs low, charge via USB cable.

Q:Q3: Can it test strong acid & alkali corrosive liquid? How to choose probe material?

A: Standard 316L stainless steel probe fits low-concentration acid and alkali. For high-concentration sulfuric acid, hydrochloric acid, caustic soda, hydrogen peroxide and other strong corrosive medium, custom Hastelloy or zirconium probe is available. You can check the liquid-material compatibility table for proper selection.

Q:Q4: How to fix unstable jumping values during measurement?

1.Clean dirt and sticky residues on tuning fork with alcohol cotton swabs; 2.Move the instrument away from strong vibration sources such as high-power inverters and motors; 3.Increase Damping parameter in menu to stabilize fluctuating data; 4.Make sure the tuning fork is fully submerged without large bubbles; 5.If the fork body is corroded or deformed, return to factory for maintenance.

Q:Q5: Can it measure mixed multi-component liquids?

A: Only single pure liquid matching the built-in program can get accurate readings. Mixed liquid without corresponding conversion formula will produce large measuring error, not recommended for mixed medium testing.