What are the core advantages of the company?

a. Excellent quality, competitive price b. Rich styles, rapid delivery c. Professional R&D and design team

What kind of supply services do you offer?

We can provide OEM (original equipment manufacturing) and ODM (original design manufacturing) services.

Sealed Optical Housing Anti Condensation Silica Gel Protected Sensor Handheld Color Difference Meter

Name: Sealed Optical Housing Anti Condensation Silica Gel Protected Sensor Handheld Color Difference Meter
Brand: Xianxian Zhonglu Tongda Testing Instrument and Equipment Factory
SKU: 2156897122

Hebei, ChinaXianxian Zhonglu Tongda Testing Instrument and Equipment Factory

US$3,200.00

1-9 Pieces

US$2,800.00

10+ Pieces

Sample price:US$3200.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Video Guidance

Detection Method

Spectrophotometer

Model NO.

ML-3A

Advantage

High Sensitive

Principle

Classic Spectrometer

Wavelengths

Visible Spectrometer

Light Number

Monochromator

Certification

ISO9001, CE

Customized

Non-Customized

Integrating Sphere Size

φ48mm

Illumination Source

Combined LED Light Source with UV Light

Spectroscopy Method

Concave Grating Spectroscopy

Wavelength Range

400~700nm

Wavelength Interval

10nm

Half Bandwidth

10nm

Reflectance Measurement Range

0~200%

Measuring Aperture

φ20mm

Observer Angles

2° / 10°

Measurement Time

Approx. 1.5s

Transport Package

Standard Export Packaging

Specification

170 × 80 × 65mm

Trademark

zhonglutongda

Origin

China

Production Capacity

50000pieces/Year

Key features

High Precision Measurement: Uses concave grating spectroscopy with 256-pixel dual-array CMOS detector for precise reflectance data.

Fluorescence Measurement: Equipped with separate UV light source to measure fluorescence samples accurately.

Traffic Sign Application: Built-in GB 2893 and GB/T 18833 standards for precise traffic sign brightness and chromaticity measurement.

High Data Storage Capacity: Capable of storing over 30,000 test data points and 1,000 standard samples.

Dual Communication Modes: Supports USB and Bluetooth 2.1 for wider adaptability and easy data transfer.

Long Light Source Lifespan: Combined LED light source with UV ensures over 3 million measurements in 5 years.

Ergonomic Design: Beautiful appearance with 3.5-inch TFT true-color capacitive touch screen for easy operation.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceQuality Assurance100% Finished Products Inspection

Xianxian Zhonglu Tongda Testing Instrument and Equipment Factory

Hebei, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 year CertifiedNearest Port: Tianjin PortAverage Response Time: ≤6.50h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization and ODM capability, with new products reported within the past year. Its stated business scope covers wires and cables, mechanical components, environmental equipment, labor protection supplies, fire equipment, communication equipment, software, household appliances, and office supplies. However, service infrastructure is limited: it has no overseas showroom, agents, branches, overseas service coverage, or offline trade-show participation. Quality and supplier-management procedures exist but lack written records, and only one quality assurance/control inspector is reported in one slice, despite another slice stating 41–50 quality-control staff. Financial credibility cannot be established because multiple periods show zero reported revenue, costs, profits, margins, ratios, and cash outflows, while some financial fields are incomplete or inconsistent. Production scale and customer cases are not sufficiently evidenced.

Supplier typeThe supplier’s stated business scope spans multiple product and equipment categories, including wires and cables, mechanical components, environmental protection equipment, communication equipment, software, and office supplies. It also describes laboratory-solution planning and configuration services, indicating a broad, multi-category supplier profile rather than a narrowly defined product specialist.

After-Sales capabilityThe supplier reports no overseas showroom, agents, branches, overseas service countries, or offline trade-show participation. It has procedures for complaints and corrective/preventive action, but no written records, so formal service coverage exists only nominally and international after-sales capability appears limited.

Financial creditReported financial data for multiple periods shows zero operating revenue, costs, profits, gross margins, current ratios, and cash outflows, while the supplier’s annual revenue field is recorded as “-RMB.” These records do not establish financial strength or operating continuity and contain incomplete or inconsistent reporting.

R&D capabilityThe supplier reports new products within the past year, provides ODM services, and has one year of total R&D engineer experience. However, no SDK is available, and the limited stated R&D experience suggests some development capability but not a strongly evidenced innovation infrastructure.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same broad capability is reported in two slices, providing direct evidence of extensive customization options.

Product Q&A

Q:What equipment do you supply?

We offer metal testing, pile foundation testing, concrete testing, soil testing, cement testing, asphalt testing, rock testing, and other laboratory equipment.

Q:Is your company a trading company or a factory?

Factory + Trade (Integrated), over 10 years specializing in the field of testing instruments.

Q:When will the goods be delivered after placing an order?

Peak season: 5-7 days Off-season: 3-5 days

Q:How long is the warranty period for after-sales service?

This testing machine is provided with a 12-month warranty service by Zhonglu Tongda. We can help you repair the controller's problems for free, even if the problem is not from our factory. After the warranty period, our professional after-sales service team will provide comprehensive technical support to help customers solve problems encountered when using our products and handle customers' issues and complaints in a professional and timely manner.

Q:How is the service and quality of the product?

During the shipment and delivery of the goods, each product must undergo 100% quality inspection and testing. Regarding product usage training, we provide video training for each product to show how to install and operate. If needed, we can arrange engineers to conduct equipment operation training at the customer's company. These products have been widely recognized and trusted by users.