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TUNKIA TD1850 Portable High Accuracy AC/DC Current Source and Voltage Source
US$1,000.00-10,000.00
1 Piece
Product profile
Customization
AvailableAfter-sales Service
Life TimeWarranty
12 Months Excellent After-sales ServiceModel NO.
TD1850Application
Electromagnetic Instrument, Electrical CalibrationPower
ElectricityVoltage Output
Max. 1100VCurrent Output
Max. 22ALCD Display
With LCD DisplayCustomized
Non-CustomizedAccuracy
Class 0.05 / Accuracy 5%DC voltage output
20 mV ~ 1100 VDC current output
2 uA ~ 22 A(33 A is optional)AC voltage output
20 mV ~ 1100 VAC current output
200 uA ~ 22 A(33 A is optional)Sinusoidal wave frequency
45 Hz ~ 1100 HzSimulated DC resistance
10 ohm ~ 220 Mega ohmTransport Package
Package for ExportingSpecification
475 mm(W) * 400 mm (D) * 190 mm (H), 18KgTrademark
TUNKIAOrigin
ChinaProduction Capacity
1000Key features
High Accuracy Class 0.05: Delivers precision calibration with an accuracy class of 0.05 for reliable measurements.
Multi-Function Calibration: Integrates AC/DC voltage, current, resistance, and frequency sources in one unit.
Optional 33A Current Range: Supports extended current output up to 33 Amperes for high-power applications.
Wide Voltage Output Range: Provides DC and AC voltage output from 20 mV up to 1100 V.
LCD Touch Screen Interface: Features an intuitive front panel with LCD touch screen for easy operation.
Comprehensive Protection: Includes short-circuit, open-circuit, and overload protection for safety.
RS232 Communication: Enables remote control and data transfer via RS232 interface.
Optional Clamp Meter Calibration: Supports calibration of DC clamp meters with equivalent 1000AT current.
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: ≤7.55h 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 is the accuracy class of the TD1850?
A:
The TD1850 features a high accuracy class of 0.05 for precise calibration.
Q:What is the maximum voltage output?
A:
The device supports a maximum voltage output of 1100 V for both AC and DC.
Q:Is the 33A current range available?
A:
Yes, the 33A current range is an optional feature for the TD1850.
Q:Does the TD1850 support remote control?
A:
Yes, it includes an RS232 communication interface and optional remote box for adjustment.
Q:What instruments can be calibrated with this device?
A:
It can calibrate digital multimeters, voltmeters, ammeters, ohmmeters, power meters, and clamp meters.
Send Inquiry
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Tunkia Co., Ltd.
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