DSP-based digital signal synthesis and data acquisition and processing technology makes the output of the device stable and reliable.The comprehensive error of theTransmitter inspection device is 0.05 grade, with high precision and excellent indicators. 2~31 harmonic output can be set to facilitate the harmonic test of various instruments.

I.Introduction

HM0301A Transmitter inspection device uses a powerful DSP digital processing system and high-precision A/D, D/A converters, adopts user experience, and integrates years of research and development of electrical measuring instruments.

HM0301A Transmitter inspection device Powerful functions, integrated meter source, without the need for additional standard meters to manually or automatically calibrate various indicating meters, electric energy meters, transmitters, and AC samplers.

II.Main functions and features

1. DSP-based digital signal synthesis and data acquisition and processing technology makes the output of the device stable and reliable.

2. The comprehensive error of theTransmitter inspection device is 0.05 grade, with high precision and excellent indicators.

3. Equipped with a powerful microcomputer management platform, which can be verified, transmitted, printed and data managed by a microcomputer; equipped with wireless receiving and transmitting devices, it is convenient for all kinds of meters, especially the remote verification of AC samplers.

4. The voltage and current ranges can be set according to the tested meter, and the gears can be changed automatically.

5. Large-screen LCD display, pop-up Chinese menu, cursor free movement, online help prompts, easy operation and rich display content.

6. It can output AC and DC voltage and current, equipped with power, frequency, phase, power factor and AC and DC voltage and current standards. During calibration, the primary and secondary values can be displayed at the same time, and the calibration error can be automatically calculated and displayed. The results can be stored and previewed.

7. 2~31 harmonic output can be set to facilitate the harmonic test of various instruments.

8. The device has an external software calibration function.

9. Strong load capacity, can directly bring 1uF capacitor (100V file)

10. Multiple protections: power supply linkage protection, current limiting protection, automatic shutdown of the power amplifier output, etc.

11. Strict overload test, shock test, misoperation test, high temperature aging test, reliability is exceptionally good.

III.Technical index

Item	index
voltage	AC range	Basic range: 25V、100V、250V、600V
	AC range	Auto range:15V～600V
	DC range	Basic range:100mV、25V、100V、250V、600V
	DC range	Auto range:：15V～600V
	Adjustment range	0～130% UN
	Adjust fineness	0．002%U_N
	Max output capacity	≥20VA/phase
	Precision	0．05level （100mV 0.1level）
current	AC range	Basic range:0.1A、1A、5A、25A
	AC range	Auto range:：0.05A～25A
	DC range	Basic range:20µA、200µA、2mA、20mA、0.1A、1A、5A、25A
	DC range	Auto range:20µA～20mA 0.1A～25A
	Adjustment range	0～130%I_N(25Atap，0～120%)
	Adjust fineness	0．002%I_N
	Max output capacity	≥25VA/phase
	Precision	0．05level
frequency	Adjustment range	40HZ～70H_Z
	Adjust fineness	0.01H_Z
	Adjust value Precision	±0.01H_Z
phase	Adjustment range	0～359.99°
	Adjust fineness	0.01°
Precision		±0.2°(When the rated voltage and current are output at full scale)
When the rated voltage and current are output at full scale	0.05 level（Reactive power is 0.2 level）
Three-phase voltage symmetry	Three-phase four-wire120°±0.2° Three-phase three-wire60°±0.2°
Voltage and current waveform distortion	< 0.3%
Harmonic component	2~31 time（More than 11 times, only odd harmonics can be set）
Voltage, current, power stability	≤0.01%(1min)
measurement accuracy	0.01level（0～±20mA、0～±5V）
Device comprehensive error	0.05%
weight	18kg
volume	432×428×175

　　Wuhan Goldhome Hi pot Electrical Co.,ltd(short for Goldhome Hi pot) was established in 2008, its predecessor was state-owned third industry enterprises, one of the earliest enterprises specially in develop, design and manufacture high voltage testing equipment in China.In 2016, merged with Wuhan Sang Electric Co., Ltd. , we realize advantageous compartmentalize and resources reorganization.Now it has become a high-tech enterprise integrating R&D, production, marketing installation and commissioning.1.our-historyOur FactoryGoldhome Hi pot is located in Huading Mould Industrial Park, Economic and Technical Development Zone, Wuhan City, Hubei Province, China, working area more than 4000 square meters.As a high-tech enterprise, we are supported by natural advantages from various research universities in Wuhan city. Goldhome Hi pot works closely with professors from State Grid Power Science Research Institute, Electrical Engineering Colleges of Wuhan University and other scientific research institutions, constantly improving technology and updating products . Now Goldhome Hi pot has more than 20 patented technologies, and many software Copyrights!2.our factory-1product and product applicationOur ProductOur advantage products included AC Resonant Test System, PD Free Test System, AC/DC Hi pot Tester, Primary Current Injection, VLF Hi pot Tester, transformer tester，impulse generator，Transformer oil tester，HV Switch gear Tester ，Insulation Tester，ground Resistance Tester，cable fault locator，relay test set，CT PT analyse,arr ester tester and sf6 gas analyzer,etc.Product ApplicationAll the performance indexes of above testing equipment can reach the leading level in China, widely used in power supply bureau, power plant, power construction, railway, petroleum, chemical industry, metallurgy, coal and other industries.In recent years,our factory continues to expand overseas markets, some competitive products are already exported to American and European countries, Africa, Middle East, etc , and well praised by customers.product applicationOur CertificateAll product process is strictly in accordance with international standards and power industry regulations. And the products are through the national, provincial power authorities testing, as well as CE certification! At present,0ur company has received ISO9001：2015 quality management system certification, ISO14001：2018 occupational health and safety management system certification, and ISO14001：2015 environmental management system certification,and also had got SGS certification.We has more than 20 patented technologies,such as The utility model patent of a frequency conversion series resonance test device,The utility model patent of Lightning impulse voltage testing equipment,The utility model patent of DC high voltage generator,The utility model patent of microcomputer relay protection tester,The utility model patent of High voltage switching characteristic tester., etc.4.certificateoverseas market & our serviceOverseas MarketOur products are sold to Europe, Asia, Africa, North and South America and Oceania, Middle East, etc.and are well received by customers.We had won the bids for the purchase of high-voltage no-partial discharge test equipment from the Polish state-owned insulator production plant, the Myanmar National Grid cable fault tester purchase project, and the high-voltage test equipment purchase project of a Russian power installation and test engineering company.We also sell to end customers, and a single device can also be sold. For example, there are power maintenance and installation companies in Indonesia, South Africa, Denmark, and South Korea, and universities and research institutions purchase and use our test equipment.At the same time, our sales targets also include agencies. At present, we already have cooperated with agents in Singapore, Israel, Mauritius , etc.We insist on providing customers with first-class products and first-class services with reliable product quality and perfect service team.5market-1Our service1.Strict factory testAll products will be assembled and test strictly accord with our product process standard. All qualified products will be issued factory release reports and certificate labels.Defect products or non-qualified products won’t be allowed to make deliver.2.Providing technical materialsDuring the product acceptance, we provide the related manual sheets, packing list,qualified certificate labels, factory test reports and other technical documents.3. Support technical guidanceWe also provide the training for the operators. Complete training includes the skilled operations of our equipment, maintenance and troubleshooting . it also ranges the commissioning and test of our products at site!After-sale service1.First-use responsibility systemAfter the product is delivered, the technician can guide the operation at site if the client requires, and be responsible for the first use of each part2.One year warrantyAll products warranty is 1year, life-time maintenance .During the warranty period, if any defects or damaged because of product’s quality, maintenance or replacement can be provided with free charge in order to let our client’s satisfied !3.TroubleshootingIf the troubleshooting is not difficult, and client can handle with it by themselves, we can offer the call-on line guide within 1 hour!If the troubleshooting is difficult to handle with for client, we can promise that the best solution can be provided within 24 hours!