Powered by Made-in-China.com
TD4550 Portable Three-Phase electric meter calibration Energy Meter Calibrator
US$13,000.00-16,000.00
1 Set
Product profile
Customization
AvailableAfter-sales Service
Life TimeWarranty
12 Months Excellent After ServiceModel NO.
TD4550Application
Electrical CalibrationPower
ElectricityVoltage Output
6 V~456 VCurrent Output
2 mA ~ 110 ALCD Display
With LCD DisplayCustomized
Non-CustomizedAccuracy
Class 0.02, 0.05, 0.1Harmonic Output
2nd~21stTest software
optionalFrequency
45Hz~65HzPower output
0~54kWTransport Package
Package for ExportingTrademark
TUNKIAOrigin
ChinaProduction Capacity
1000Key features
High Precision Accuracy: Available in Class 0.02, 0.05, and 0.1 for high-accuracy calibration.
Wide Output Range: Voltage 6V-456V, Current 2mA-110A, covering most single/three-phase meters.
Harmonic Analysis: Supports 2nd-21st harmonic output with adjustable amplitude and phase.
Intuitive Operation: Features a color LCD touch screen and optional physical keypad for convenience.
Comprehensive Testing: Performs intrinsic error, constant, deviation, starting current, and no-load tests.
Customizable Software: RS232 interface allows for customizable test software integration.
Robust Protection: Includes voltage short circuit, current open-circuit, and overload protection.
Lifetime Warranty: Provides lifetime after-sales service with a 12-month standard warranty.
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: ≤18h 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.
Product Q&A
Q:What accuracy classes are available?
A:
The TD4550 is available in Class 0.02, 0.05, and 0.1 accuracy levels.
Q:What is the output voltage and current range?
A:
The voltage output range is 6V to 456V, and the current output range is 2mA to 110A.
Q:Does it support harmonic testing?
A:
Yes, it supports 2nd to 21st harmonic output with adjustable amplitude (0-25%) and phase.
Q:Is the product customizable?
A:
The hardware is non-customized, but the test software is optional and customizable via RS232.
Q:What is the warranty period?
A:
The product comes with a 12-month warranty and lifetime after-sales service.
Send Inquiry
*To:
Tunkia Co., Ltd.
Tunkia Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Meter Testing Equipment Portable Single Phase Electric Meter Calibrator
US$2,250.00
1 Piece(MOQ)
Advanced Portable 3 Phase Electric Energy Meter Calibrator
US$12,000.00-15,000.00
1 Set(MOQ)
Gfuve 3 Phase Energy Meter Calibrator GF312V2
US$3,000.00
1 Set(MOQ)
Handheld Three Phase Energy Meter Field Calibrator with High Stability
US$3,000.00
1 Set(MOQ)
Handheld three phase programmed standard power source phantom load kwh electric Three phase energy meter calibrator
US$3,000.00-10,000.00
1 Set(MOQ)
Three Phase Energy Meter Field Calibrator for 3PH Energy Meter TUNKIA TD4550
US$3,000.00-10,000.00
1 Set(MOQ)
Portable Three Phase Electric Meter Calibrator with Printer
US$5,000.00
1 Set(MOQ)
Three Phase Energy Meter Test Field Calibrator
US$3,000.00-10,000.00
1 Set(MOQ)
Three-Phase Energy Meter Field Harmonic Analysis Calibrator
US$2,000.00
1 Piece(MOQ)
Automatic Intelligent Automatic Sf6 Gas Density Switches Meter Relay Calibrator
US$8,090.00
1 sets(MOQ)
Sf2002 Stopwatch Calibrator Calibration Equipment to Calibrate Mechanical and Electronic Stopwatch
US$3,580.00-3,840.00
1 SET(MOQ)
Portable Automatic Sf6 Gas Density Relay Calibrator
US$8,090.00
1 sets(MOQ)
IEC 60068 Spring Impact Hammer Calibrator for Energy Calibration
US$3,200.00-4,999.00
1 Piece(MOQ)
Ly-7050b Portable Pressure Flow Temperature Calibrator
US$7,300.00-19,000.00
1 Piece(MOQ)
Single-Phase Handheld Field Harmonic Analysis Calibrator
US$510.00
1 Piece(MOQ)
Single Phase Power Quality Hamonic Analyzer Calibrator
US$510.00
1 Piece(MOQ)
Suin Sf2003 Time Calibrators Stopwatch Calibrator Calibration Equipment
US$3,875.00-4,650.00
1 SET(MOQ)
Flukes 718 30g Portable Pressure Calibrator Designed for Pressure Instrumentation Measurement
US$2,750.00-2,900.00
1 Piece(MOQ)
Factory 6u6I 6 Phase Microcomputer Relay Protection Tester Relay Calibrator
US$4,300.00-5,300.00
1 Set(MOQ)



















