Can this device calibrate single-phase meters?

Yes, its wide output range allows it to meet the calibration needs of most single-phase and three-phase meters.

Is the device customized or standard?

The base product is non-customized, but optional features like test software and harmonic functions are available.

Handheld three phase programmed standard power source phantom load kwh electric Three phase energy meter calibrator

Name: Handheld three phase programmed standard power source phantom load kwh electric Three phase energy meter calibrator
Brand: Tunkia Co., Ltd.
SKU: 2012983372

Hunan, ChinaTunkia Co., Ltd.

US$3,000.00-10,000.00

1 Set

Product profile

Customization

Available

After-sales Service

Life Time

Warranty

12 Months Excellent After Service

Model NO.

TD4550

Application

Electrical Calibration

Power

Electricity

Voltage Output

6 V~456 V

Current Output

2 mA ~ 110 A

LCD Display

With LCD Display

Customized

Non-Customized

Accuracy

Class 0.02, 0.05, 0.1

Harmonic Output

2nd~21st

Test software

optional

Frequency

45Hz~65Hz

Power output

0~54kW

Transport Package

Package for Exporting

Trademark

TUNKIA

Origin

China

Production Capacity

1000

Key features

High Precision Calibration: Offers Class 0.02, 0.05, and 0.1 accuracy levels for three-phase energy meter testing.

Wide Output Range: Voltage output 6V~456V and current output 2mA~110A support most single/three-phase meters.

Harmonic Analysis: Supports 2nd~21st harmonic output with adjustable amplitude and phase for detailed analysis.

Intelligent Operation: Features a color LCD touch screen and optional physical keypad for convenient user interaction.

Comprehensive Testing: Performs intrinsic error, constant, standard deviation, and no-load tests on energy meters.

Portable Design: Handheld and integrated structure allows for easy transport and field calibration tasks.

Software Customization: Optional test software with RS232 interface allows for customizable communication and control.

Robust Protection: Includes voltage short circuit, current open-circuit, and overload protection for safety.

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.