Overview

Now in the power system, the ground grid resistance mainly using utility frequency high current method. To avoid the interference of utility frequency, and improve the accuracy of test, the procedures stipulated that the test current no less than 30A. Because of this, the test instrument will be very heavy, test process complicately, long time cost and such on matters.

HANDY earth resistance test adopts new variable frequency AC power technical, abandoned traditional transformer design, greatly reduce weight, while using digital signal processing technical, avoided utility frequency interference. So the testing can be do without power failure, while improve the accuracy of results, greatly make testing become easy.

The ground device parameter tester used for measuring ground resistance, contact voltage, step voltage and soil resistivity. Can used in substation grid, power plant, microwave station and lighting rod.

Features

● High accuracy measures grounding impedance, grounding resistance, voltage steps, contact voltage. Soil resistivity, satisfied with conventional ground-ground network parameters.

● Testing power is variable frequency which approaching utility frequency, it can easily separate utility frequency and other interference, effetely achieve small signal measurement.

● With high precision, for measuring very little grounding resistance of grid.

● Full electronic designing, without power transformer. Make the instrument compact and light weight, for easy to belong with.

● Save current and voltage wave in memory, analysis the data on computer software.

● LCD screen displayed the operate interface and results clearly both indoor and outdoor.

● Huge storage capability can stored 1000 test results, power failure without loss of value.

● High speed thermal printer print test results.

● Use USB stick to update the software.

Technical

● Power supply: AC198V～265V，47～63Hz

● Voltage output: 0～400V（rms）

● Current output: 0～5A（rms）

● Testing time: 30s

● Testing frequency: 44～56Hz multi frequency point measurement

● Testing range: 0 to 100Ω, resolution: 1mΩ

● Testing accuracy: ±(1%Z+0.01Ω)

● Anti-Jam ability: The ratio of instrument output signal to interference signal can be completed steadily and accurately at 1:50.

● Dimension: 427mm×357mm×193mm

● Weight: 10KG

● Operating temperature: -20～50°Humidity≤90%RH

Handy Company:

More than 20 years experience in electrical instruments development.

Powerful technical strength:

Users all over world:

About Handy

Founded in 1994 and located in Shijiazhuang, China. Handy technology is a company focusing on designing and manufacturing portable HV test equipment. The company had successfully developed and launched varieties of analyzers such as, HV Switchgear analyzer, CT/PT analyzer, Micro-ohmmeter, Capacitance& Dissipation factor tester and Partial discharge tester. Our instruments are compact, reliable, accurate and easy to use. We continuously adding the newest technique into the product development, which make our products have powerful competitiveness in international markets.

Superiority

Talent advantage: We have mess experienced in test instrument research and development of high-quality team.

Technical advantages: from the component-level development and design, hardware, software dual strength.

Independent rights: based on independent innovation, the establishment of independent intellectual property rights with the technology and product system;

Improved after service: comprehensive training for customers, free software upgrades, long-term technical support services after the warranty period.

http://www.handy-analyzer.com/