DC digital resistance tester

Product Introduction:

Dual current source design, CPU programmable charge and discharge protection order and perfect, very suitable for high and low voltage transformer winding temperature rise test disparity.
1, the temperature rise test is suitable for all 35KV voltage levels and below the transformer and DC resistance measurements.
2, color touch-screen operation, the use of more simple, automatic printing temperature data.
3, perfect dual power design, with high side, low side while testing and test functions, respectively.
4, U disk data export for computer-generated temperature curve.
5,485 communication interface with a computer on-line operation.
6, with emotional disconnection test anti-arcing protection.
7, with a misconnection AC380V protection.
8, with a temperature rise of software, automatic data processing.
9, has a discharge alarm sound, clear discharge instructions.

Main Parameter：

1, the display digits: four and a half
2, the output current:
High side CH1: 5A/1A/0.1A/0.01A
Low side CH2: 20A/10A/5A/2A
3, Range:
High pressure CH1-5A: 0Ω-4Ω Low CH2-10A: 2mΩ-0.4Ω
High pressure CH1-1A: 20mΩ-20Ω Low CH2-20A: 0Ω-0.1ΩΩ
High pressure CH1-0.1A: 200mΩ-200Ω Low CH2-5A: 4mΩ-0.8Ω
High pressure CH1-0.01A: 2Ω-2000Ω Low CH2-2A: 10mΩ-2Ω
4, accuracy:
High voltage CH1: 0.2% ± 1μΩ low-CH2: 0.2% ± 0.2μΩ
5, the output voltage:
High side CH1: DC20V low side CH2: DC4V
6, minimum resolution: 0.1μΩ
7, Working temperature: -20 ~ 40 °C
8, humidity: ≤ 80% RH, non-condensing
9 Power supply: AC220V ± 10%, 50Hz ± 1Hz
10, length 410mm, width 440mm, height 210mm
11, Weight: 15.7kg
12, the timing temperature: 10 seconds, 30 seconds, 60 seconds Optional

Shandong China Coal Industrial&Mining Supplies Group Co.,Ltd (hereinafter referred to as china coal) is a group company, which is a collection of e-commerce, machinery manufacturing, software, research and development, modern logistics of large diversified industrial group. The group has 100 million yuan registered capital , with more than 1100 employees.

China coal is a professional manufacturing base of mines support equipment, transport equipment, lifting equipment, spray equipment, drilling equipment, ventilation equipment, lifting equipment and other products, as well as research and development new product and mine construction products with advanced high technology.

In order to development of international trade , expansion overseas market, china coal established international trade branch company and import and export branch company. China coal actively expand foreign trade channels based on a good market image, brand, modern information platforms and capital protection. Based on the trading diversification strategy, the group established a chain loop trading system which is with import and export trade of the mining equipment as a core, the resources and market as the elements. China coal also formed an overseas sales team, that covers English, French, German, Portugal, Italy, Russian, Korean, Japanese, Arabic, and more than 10 language professionals to explore broader international markets on the Internet. At present, the group signed up for "china coal" trademark in the European Union, United States, Russia, United Kingdom, Taiwan, Macao, Singapore, Indonesia, Israel, and other countries, also got the right to use the trademark of the United Kingdom and Taiwan. Hundreds of kinds of products such as tunnel boring machine, coal cutter machine etc. is exported more than 60 countries and regions which are the United States, Australia, Germany, Russia, Spain, France, Canada, United Kingdom, Italy, Portugal, Georgia, Austria, and Colombia. China coal is to establish long-term, broader economic and trade cooperation and strategic partnership with a number of large state-owned enterprises and customers, and won the unanimous approval of them.

China coal has succeeded in passing a number of certification systems which are ISO9001, 2008 quality management system certification, United States ANAB management system certification, United Kingdom international authoritative certification bodies UKAS quality management system certification, SGS certification (made in China), Alibaba GIS certification. She has also obtained a variety of honor which are China excellent enterprise of mechanical industry, China equipment manufacturing operation top 10 enterprises, national reputation for quality assured supplier, China credit certification system demonstration unit, national quality trustworthy product for conformity assessment, national consumer satisfaction units, China AAA level quality trustworthy enterprise and Chinese e-commerce company credit rating AAA level credit Enterprise.