4105B RuoShui 1000ohm 750V Digital Earth Resistance Tester Earth Meter Ground Resistance Meter

About US
Who Are We
RuoShui Instruments is a brand belong to Xi'an Beicheng Electronics (former Victor Instruments ) was established in 1980s, the first manufacturer produces digital multimeters in China . With over 30 years , RuoShui instruments has been focused on the full range of electrical testing and analyze instruments ,it is renowned as one of the largest manufacturers and suppliers of innovative, quality handheld test, measurement and inspection tools in the world.

Our Manufacturing Capability

RuoShui Instruments are designed and manufactured in our Xi'an Beicheng manufacturing center, a modern, automated, high-tech industrial park produces digital multimeter 10,000pcs/day , with pass rate 99.6%.
With more than 300 skilled workers and 50 R&D staff ,our manufacturing center covers an area of more than 30,000 square meters , made up of :

-8 dust-free workshops;

-5 fully automatic production lines

-12 sets of state-of-the-art production equipments

Our Process Calibrator Advantages

Like the digital multimeter , we are also the first manufacture for the process calibrators in China. Today RuoShui leads China in the manufacture of process calibrator products , including Pressure Calibrators , Temperature Calibrators, Loop Calibrators with HART communication. Our calibrators already achieved the best accuracy in class 0.01% for measurement and sourcing .And we are most reliable Chinese provider for the calibrators and source products for the professionals who are looking for a trustworthy products with limited budgets.

Quality Assurance

We are TUV certified ;

We are an CNAS certified ISO9001-2000 company;

Our production center is controlled by ERP system and the assembling is semi-automated , we have lowered the defective products rate to the minimum by reducing the possible error caused by human.



What We Offer

A: RuoShui Instruments sales

We dedicate to offer the best sales support for our full range products including products selecting advice , technical support and repair. All of our effort is to assure you the best quality products and timely delivery .


B: ODM support

If our ready products can't meet your market needs , we have a team ready to design a new products for you . From exterior designing, function realization, to a working sample , our fastest record is 45 days so far .

RuoShui means "as good as water , be benefit to everything" . We have been strived to be benefit to every one of the RuoShui instruments users.