What is your typical lead time?

For most products, lead time is about 7 days. For large or custom equipment, lead time ranges from 1 to 3 months.

What is your warranty period?

Most products come with a 2-year warranty and lifetime technical support.

What are your payment terms?

For orders below USD3,000.0, 100% T/T deposit will be required. For orders above USD3,000.0, we require 30% T/T deposit and 70% balance before delivery.

Do you offer trade assurance protection?

Yes. Delta Technology (Chongqing) Co., Ltd. supports Made-in-China Trade Assurance, covering quality guarantee, on-time shipment, and secure payment handling.

Professional Digital Display Multimeter for Insulation and Earth Resistance Testing

Name: Professional Digital Display Multimeter for Insulation and Earth Resistance Testing
Brand: Delta Technology (Chongqing) Co., Ltd.
SKU: 2187704742

Chongqing, ChinaDelta Technology (Chongqing) Co., Ltd.

US$800.00-1,200.00

1 Set

Sample price:US$950.00/set.Request sample

Product profile

Customization

Available

After-sales Service

7*24 Hours Online, Reply in 2 Hours

Warranty

1 Year Repaired Free of Charge

Model NO.

DT-7700

Installation

Portable

Display Mode

Digital

Accuracy

0.5%~1%

Theory

Electronic Meter

Power Source

AC and DC

Maximum Scale

1999

Range Conversion Type

AUTO/MAN RANGZ

Display

LCD

Item Name

Professional Digital Display Multimeter for Insula

Test Parameters

Earth, Insulation, DC Resistance, Phase, Multimete

Features

Multi Functions Multimeter

Transport Package

Packed in One Carton Box

Specification

7kg

Trademark

Delta

Origin

China Mainland

HS Code

9031809090

Production Capacity

100 Sets / Month

Key features

7-inch Touch Color Screen: Features a large 7-inch touch color screen for easy operation and clear data display.

Comprehensive Testing Functions: Measures ground resistance, insulation, DC resistance, RCD leakage, voltage, current, and power parameters.

High Capacity Battery: Equipped with a 7.4V 10400mAh rechargeable lithium battery for long-term testing.

Robust IP65 Protection: Double-layer shell structure with IP65 rating ensures durability in harsh environments.

Large Data Storage: Automatically stores 1000 sets of real-time test data with date and time for analysis.

USB and Bluetooth Connectivity: Supports USB Type-C for PC upload and Bluetooth for mobile terminal viewing via APP.

Customizable Auto Power Off: User-settable auto-off time ranging from 0 to 60 minutes for energy saving.

International Safety Standards: Meets IEC61010-1, IEC61010-031, and IEC61557-1 standards for reliable performance.

Company profile

Importers and ExportersHigh Repeat Buyers ChoicePatents AwardedFast Delivery

Delta Technology (Chongqing) Co., Ltd.

Chongqing, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2019-03-01Average Response Time: ≤1.05hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF, DDP, DAP

AI-Powered supplier vetting

SummaryThe supplier operates in technical services, instrument, equipment, robot, and related sales activities, but is explicitly not classified as a professional technical supplier. Its documented capabilities include transformer testing equipment production of 1,000 sets annually, minor customization, ODM, and OEM services. Innovation evidence is limited: one R&D engineer, no new products in the past year, no 3D software design service, and no SDK. Service procedures for corrective actions and complaints exist, but no written records are available, while quality assurance and raw-material traceability statuses are unknown. The supplier reports overseas markets and export sales, but no overseas warehouses, showrooms, agents, branches, or offline trade-show participation. Financial records are identified for 2022–2024, but no financial performance details are provided.

Supplier typeThe supplier’s scope covers technical services, technology development and consulting, instrument and equipment sales, intelligent robots, and related machinery. However, it is explicitly identified as not being a professional technical supplier, so its profile is broader equipment and technology-related trading/service activity rather than a specialized technical supplier.

R&D capabilityInnovation capability appears limited: the supplier has one R&D engineer, launched no new products in the past year, does not provide 3D software design or SDK support, and offers only minor customization design services. ODM and OEM capabilities are explicitly available, but these do not offset the stated lack of recent product development evidence.

Production capacityThe supplier reports annual production of 1,000 sets of transformer testing equipment and an off-season lead time within 15 working days. This provides direct evidence of a defined production output and delivery timeframe, although broader capacity, facilities, and quality-performance evidence is not provided.

Customization capabilityThe supplier provides minor customization design services and explicitly offers ODM and OEM services, including OEM for well-known brands. However, it does not provide 3D software design services, so the demonstrated customization capability is positive but limited in scope.

Client casesThe supplier states that it provides OEM services for popular brands, which is evidence of at least some brand-related customer work. No customer names, project details, performance records, or independently verifiable case descriptions are supplied.

Product Q&A

Q:How do you ensure product quality?

We maintain strict quality control at every stage, including incoming inspection, in-process monitoring, and 100% pre-shipment performance testing. Our QC team ensures every unit meets international standards before delivery.

Q:Do you provide installation or repair services?

Yes. We provide comprehensive technical documentation, video installation guides, and remote technical support. For complex equipment, we can arrange on-site installation at the buyer's expense. For repairs, we offer spare parts supply and return-to-base service.

Q:Can you arrange product demonstrations?

Yes. We can arrange live video demonstrations using our in-house demo units.

Q:How do I obtain user manuals and software updates?

Please email us to request e-catalogs, user manuals, and software updates.

Q:Do you offer OEM services?

Yes. We offer OEM branding including logo printing on instruments, packaging, software interfaces, and user manuals with your company name.