Comprehensive Water Quality Tester for Salinity Hardness Cod Toc TDS UV275 Conductivity

Name: Comprehensive Water Quality Tester for Salinity Hardness Cod Toc TDS UV275 Conductivity
Brand: Zhengzhou Wollen Instrument Equipment Co., Ltd.
SKU: 2321694205

Henan, ChinaZhengzhou Wollen Instrument Equipment Co., Ltd.

US$45.00-50.00

1 Piece

Product profile

Customization

Available

After-sales Service

24 Hours Online

Warranty

One Year

Model NO.

LS311

Display

Digital

Portable

Appliance

Water Quality Testing

Certification

Display Screen

240X135 1.14 Inch TFT Color Screen

240*135 1.14 Inch TFT Color Screen

2 AAA Alkaline Dry Batteries

Size

157X37X14mm

Weight

About 68g

Working Temperature Range

0~50℃

Storage

-10~60℃, 0~85%Rh

Cod

0-100mg/L

UVC275

0-1.0au/Cm

TDS

0-2000ppm

Ec

0-4000us/Cm

Sal

0-26%

Gh

0-1000ppm

S.G.

0.9800-1.2000

Temp

0-50℃

Transport Package

Carton Box

Specification

157x37x14mm

Trademark

WollenLab

Origin

China

HS Code

9027899090

Production Capacity

2000PCS/Month

Key features

Measure multiple parameters including COD, TDS, SAL, GH, S.G, EC, TEM, UV275 and TOC.

It works for tap water, wells, lakes, aquariums, and seawater.

It provides a comprehensive assessment by detecting bacteria, viruses, and pesticide residues.

Water quality is displayed in four color-coded levels for easy interpretation.

It has high accuracy and meets authoritative metrology standards.

The device automatically switches to salinity mode when saltwater is detected.

Equipped with wechat mini program, the water quality test results can be saved and shared.

The probe is waterproof and meets the IP67 waterproof rating.

You can instantly check salinity, specific gravity, and temperature.

Multidimensional parameter scoring to prevent misclassification of mineral water.

Company profile

Importers and ExportersFast DeliveryCustomization from SamplesOEM Services

Zhengzhou Wollen Instrument Equipment Co., Ltd.

Henan, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤4.88h

AI-Powered supplier vetting

SummaryThe supplier is a limited company focused on laboratory instruments, including reactors, incubators, rotary evaporators, and circulating baths. It reports extensive customization, ODM, and OEM capabilities, while export sales represent 90% and markets span multiple regions. Production evidence includes 800 rotary evaporator sets annually and stated peak and off-season lead times of within 15 working days. However, the supplier reports only two employees, fewer than five quality-control staff, one year of R&D engineer experience, no new products in the past year, and no 3D design or SDK capability. After-sales and quality-management documentation is weak or unavailable: there are no written complaint-handling or corrective-action procedures, no overseas service infrastructure, and quality assurance status is unknown. Financial records are identified for 2020–2022, but no assessable financial results are provided.

Supplier typeThe supplier is a limited company that produces and sells laboratory instruments, with self-operated import/export rights and 90% of sales from exports. Its product range includes reactors, incubators, rotary evaporators, and circulating baths, indicating a manufacturer-oriented laboratory-equipment supplier.

After-Sales capabilityThe supplier has no overseas showroom, agents, branches, or reported offline trade-show participation. It also has no written complaint-handling or corrective/preventive-action procedures, although service quotations and payment terms are defined and service-capability assessment records exist without a written procedure.

R&D capabilityThe supplier states that it pursues continuous innovation and product expansion, and it provides ODM and OEM services. However, it reports no new products during the past year, no SDK, no 3D software design service, and only one year of R&D engineer experience, limiting evidence of current innovation strength.

Production capacityThe supplier reports annual rotary evaporator output of 800 sets and lead times within 15 working days in both peak and off-season periods. However, the reported total employee count is only two and quality-control staffing is fewer than five, so overall production scale and operational depth remain difficult to verify.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full, minor, and flexible customization, as well as ODM and OEM services for popular brands. This is direct evidence of broad customization capability, despite the absence of 3D software design and SDK support.