Is the U4th voltage output function standard or optional?

The U4th AC voltage output function is an optional feature.

What payment terms are accepted?

Accepted payment terms include LC, T/T, D/P, PayPal, and Western Union.

TUNKIA TD4520 Versatile Portable Power Calibrator for Professionals

Name: TUNKIA TD4520 Versatile Portable Power Calibrator for Professionals
Brand: Tunkia Co., Ltd.
SKU: 2173679985

Hunan, ChinaTunkia Co., Ltd.

US$15,700.00-19,400.00

1 Piece

Product profile

Customization

Available

Application

Electromagnetic Instrument

Power

Electricity

Model NO.

TD4520

Customized

Non-Customized

Accuracy class

0.02, 0.05

3PH current output

6 V~456 V

3PH voltage meter

6 V~456 V

3PH current meter

0.1 A~6 A

Frequency

45 Hz~70 Hz

DC voltage output

10 mV~660 V

DC current output

0.1 mA~22mA

Harmonic output

2nd~21th

Transport Package

Package for Exporting

Specification

18.5kg; 470 mm(W) x 400 mm(D) x 195 mm(H)

Trademark

TUNKIA

Origin

China

Production Capacity

1000

Key features

High Precision Accuracy: Available in Class 0.02 and Class 0.05 for professional calibration needs.

Multi-Function Integration: Integrates AC/DC output, 3PH measurement, harmonics, and transmitter testing.

Wide Output Range: 3PH voltage 6V-456V, current 20mA-24A, DC voltage 10mV-660V.

Harmonic Analysis: Supports 2nd to 21st harmonic output with amplitude and phase adjustment.

Flexible Output Modes: Direct output via keys or touchscreen, plus rotary knob adjustment mode.

OEM and ODM Services: Customization services available for specific client requirements.

Comprehensive Protection: Features voltage short circuit, current open-circuit, and overload protection.

Advanced Test Functions: Includes U4th voltage output, energy meter testing, and oscilloscope function.

Company profile

Tunkia Co., Ltd.

Hunan, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2021-10-11 CertifiedNearest Port: Changsha PortAverage Response Time: ≤15h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryTunkia Co., Ltd. is identified as a China-based manufacturer established in 2006, with 363 employees and an 8,000 m² manufacturing plant. Its stated products include magnetic and electrical measurement equipment, gaussmeters, and multifunction calibrators. The supplier reports ISO9001, ISO14001, and ISO45001 certifications, nine production lines, 120 years of combined R&D engineer experience, and 11–20 quality-control staff. It serves domestic and overseas markets, with exports representing 21%–30% of sales and reported one-month lead times in both off-peak and peak seasons. Evidence supports manufacturing scale, certification coverage, and technical capability. However, the provided information does not sufficiently establish after-sales service, financial credibility, customization capability, or a broad customer track record.

Supplier typeThe supplier is explicitly classified as a manufacturer, while the associated company information also describes the company nature as a trading company. Its 8,000 m² plant and manufacturing-related business activities support that it operates manufacturing capabilities, although the supplied classifications are not fully consistent.

CertificationsThe supplier reports ISO9001:2015, ISO14001:2015, and ISO45001:2016 management-system certificates, plus other unspecified certifications. This is explicit evidence of multiple quality, environmental, and occupational-health-and-safety certifications.

R&D capabilityThe supplier’s product scope includes magnetic measurement, electrical measurement, gaussmeters, and multifunction calibrators, and it reports 120 years of total R&D engineer experience. These details support technical and product-development capability, although no patent, new-product, or R&D investment data is provided.

Production capacityThe supplier reports an 8,000 m² manufacturing plant, 363 employees, nine production lines, and one-month lead times in both off-peak and peak seasons. These figures provide explicit evidence of established production capacity and stated delivery capability.