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TD4520 Portable Three-phase and DC Meters Calibrator
US$15,700.00-19,400.00
1 Piece
Product profile
Customization
AvailableApplication
Electromagnetic InstrumentPower
ElectricityModel NO.
TD4520Customized
Non-CustomizedAccuracy class
0.02, 0.053PH current output
6 V~456 V3PH voltage meter
6 V~456 V3PH current meter
0.1 A~6 AFrequency
45 Hz~70 HzDC voltage output
10 mV~660 VDC current output
0.1 mA~22mAHarmonic output
2nd~21thTransport Package
Package for ExportingSpecification
18.5kg; 470 mm(W) x 400 mm(D) x 195 mm(H)Trademark
TUNKIAOrigin
ChinaProduction Capacity
1000Key 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, harmonic analysis, and transmitter testing.
Wide Output Range: Supports 3PH voltage 6V-456V, current 20mA-24A, and DC voltage 10mV-660V.
Harmonic Analysis: Generates 2nd to 21st harmonics with adjustable amplitude and phase for detailed testing.
Flexible Output Modes: Offers direct output via keys/touchscreen and rotary knob modes for intuitive operation.
Comprehensive Protection: Features voltage short circuit, current open-circuit, and overload protection mechanisms.
Optional Advanced Functions: Includes optional U4th voltage output, energy meter testing, and dedicated test software.
OEM and ODM Services: Manufacturer supports custom branding and design with 120 R&D engineers.
Company profile

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2021-10-11 CertifiedNearest Port: Changsha PortAverage Response Time: ≤10.45h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryTunkia Co., Ltd. is a Chinese manufacturer established in 2006, located in Changsha, Hunan. The company operates in various sectors including manufacturing and trade, with a significant focus on instruments and meters. It has a manufacturing plant of 8000m², 363 employees, and a reported annual production output between US$50 million and US$100 million. The company holds multiple certifications including ISO9001, ISO14001, and ISO45001. Tunkia Co., Ltd. began exporting in 2021, with exports comprising 21%-30% of total sales, mainly to Southeast Asia, East Asia, and Europe. The company has a robust R&D capability with 120 experienced engineers.
Supplier typeTunkia Co., Ltd. is identified as both a manufacturer and a trade company, indicating a dual role in production and commercial trade across various sectors.
CertificationsThe supplier holds ISO9001:2015, ISO14001:2015, and ISO45001:2016 certifications, affirming compliance with quality, environmental, and occupational health and safety standards.
R&D capabilityWith 120 experienced R&D engineers, Tunkia demonstrates significant capacity for innovation and development in its product offerings.
Production capacityTunkia has a substantial production capability with 9 production lines and an annual output valued between US$50 million and US$100 million.
Product Q&A
Q:What accuracy classes are available for this calibrator?
A:
The TD4520 is available in Class 0.02 and Class 0.05 accuracy levels.
Q:Can this device test both AC and DC meters?
A:
Yes, it can calibrate AC/DC voltmeters, ammeters, power meters, energy meters, and transmitters.
Q:Are there optional features available for this model?
A:
Yes, optional features include U4th AC voltage output, energy meter testing, test software, and current clamps.
Q:Is OEM or ODM service available for this product?
A:
Yes, the manufacturer offers both OEM and ODM services with 120 R&D engineers.
Q:What payment terms are accepted for orders?
A:
Accepted payment terms include LC, T/T, D/P, PayPal, and Western Union.
Send Inquiry
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Tunkia Co., Ltd.
Tunkia Co., Ltd.*Content:
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