What after-sales support is provided?

We provide video guidance, technical support, and can arrange engineers for on-site training.

St-1556b Fully Automatic Laboratory Liquid Medium Volume Resistivity Testing Machine Tester

Name: St-1556b Fully Automatic Laboratory Liquid Medium Volume Resistivity Testing Machine Tester
Brand: Xianxian Zhonglu Tongda Testing Instrument and Equipment Factory
SKU: 1991957171

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 oil cup for simultaneous testing efficiency.

High Voltage Test: DC 500V power supply for precise volume resistivity measurement.

Auto Calibration: Supports high/low range calibration for accurate results.

Data Storage: Automatically completes testing process and prints results.

Compliant Standard: Designed according to DL/T 421 standard for insulating oils.

Versatile Application: Suitable for measuring volume resistivity of insulating and fire-resistant oils.

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.