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)

St-1556b Advanced Liquid Medium Volume Resistivity Measurement Machine with Automatic Control Tester

Name: St-1556b Advanced Liquid Medium Volume Resistivity Measurement Machine with Automatic Control Tester
Brand: Xianxian Zhonglu Tongda Testing Instrument and Equipment Factory
SKU: 1991788671

Hebei, ChinaXianxian Zhonglu Tongda Testing Instrument and Equipment Factory

US$4,000.00

1-4 Pieces

US$3,500.00

5+ Pieces

Sample price:US$4000.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Video Guidance

Warranty

Video Guidance

Model NO.

ST-1556B Liquid Medium Volume Resistivity Tester

Display

LCD Touchscreen

Test Cup Positions

Volume Resistivity Measurement Range

2.5 MΩ·M -25 Tω·M

Measurement Power Supply Voltage

DC 500V

Temperature Control Range

10°C - 100°C

Temperature Control Accuracy

±0.3°C

Oil Cup

Three-Electrode Structure

Power Consumption

≤600W

Ambient Temperature

5°C - 45°C

Relative Humidity

10% - 80% Rh

Power Supply Voltage

220V ±10%, 50Hz

Instrument Weight

30 Kg

Transport Package

Wooden Box

Specification

customized

Trademark

zhonglutongda

Origin

China Hebei

Production Capacity

50000pieces/Year

Key features

Three-Cup Design: Features a three-electrode structure for accurate volume resistivity measurement of insulating oils.

Automatic Testing Process: Automatically completes full testing process including heating, control, testing, and printing.

LCD Touchscreen Display: Equipped with an intuitive LCD touchscreen for easy operation and data viewing.

Video Guidance Support: Provides video guidance for installation and operation, with optional on-site engineer training.

12-Month Warranty: Comes with a 12-month warranty covering free controller repairs even for non-factory issues.

Full Customization Options: Offers full customization, minor customization, and flexible customization from samples or designs.

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: ≤6.76h

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.