| Customization: | Available |
|---|---|
| Certification: | ISO9001, CCC, Contact Us |
| Installation: | Interface USB Type B (Device) |
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The heavy duty DLRO10HD and DLRO10HDX digital low resistance ohmmeters can deliver a 10 A current into circuits up to 250 mΩ and 1 A into circuits up to 2.5 Ω. The duration of each test can be up to 60 seconds, reducing the time required for cooling. These units have a high and low output power selection for condition diagnosis.
The DLRO10HD and DLRO10HDX instruments can be powered from their own sealed, rechargeable lead-acid battery or via mains power. This makes them suitable for continuous testing in repetitive use environments, such as production lines. Additionally, they come in a rugged case designed for stable ground and bench operation. They are IP54 rated when operational and IP65 when the lid is closed, which is ideal for working in all weather conditions.
Both units have five test modes: bidirectional (whereby current reversal with averaging cancels thermal EMFs), unidirectional, automatic, continuous, and inductive. You select the desired mode through a simple rotary control on the mode selection rotary switch. These rotary switches are easy to operate, even with gloved hands, and the instruments' large, clear, backlit LCD makes for easy reading even from a distance.
The DLRO10HDX has some additional abilities over the DLRO10HD. It is rated CAT III 300 V (as long as the optional terminal cover is fitted to the instrument) and comes with onboard memory storage for up to 200 test results. The memory functions: 'delete', 'download to PowerDB', and 'recalling test results' are also accessible via the range selection rotary switch on this model.
| Onboard memory storage for test results up to 200 records (HDX only) | Operates from rechargeable battery or AC mains supply |
| Download to PowerDB | Protected to 600 V without blowing a fuse, test lead live voltage warning light |
| Interchangeable test lead terminations | Heavy duty case: IP 65 lid closed, IP54 operational |
| High or low output power selection for condition diagnosis | Simple rotary switch selection of five test modes, including auto start on connection |
Measuring low resistance helps identify resistance elements that have increased above acceptable values. Low resistance measurements prevent long-term damage to existing equipment and minimize energy wasted as heat. This testing reveals any restrictions in current flow that might prevent a machine from generating its full power or allow insufficient current to flow to activate protective devices in the case of a fault.
When evaluating results, it is crucial to pay attention first to repeatability. A good quality low resistance ohmmeter will provide repeatable readings within the accuracy specifications for the instrument. A typical accuracy specification is ±0.2 % of reading, ±2 LSD (least significant digit). For a reading of 1500.0, this accuracy specification allows a variance of ±3.2 (0.2 % x 1500 = 3; 2 LSD = 0.2). Additionally, the temperature coefficient must be factored into the reading if the ambient temperature deviates from the standard calibration temperature.
AVANTEST ELECTRONICS established in February 2018, integrates sales, system integration, customized services, R&D, and production.The company serves as a leading solution provider in relevant industries. Its R&D department team is experienced in microwave radio frequency, communication, and semiconductor industries. All of the core technical staff hold doctoral degrees. Its products and solutions are widely used in traditional industries and emerging technological fields, including but not limited to communication, aerospace, power electronics, industrial automation, automotive electronics, rail transit, semiconductor, new energy, LED lighting, medical electronics, and electromagnetic compatibility. Its customer base comprises research institutes, testing organizations, and industrial clients.
In addition to one-stop solutions for clients, the company also acts as an authorized agent for leading domestic and international brands in product testing and measurement. including, but not limited to: Keysight, Ceyear, Rohde Schwarz, Tektronix, Agitek, Anritsu, VIAVI, Gwinstek, ActionPower, Xinertel, and others.
The product range includes but is not limited to: oscilloscopes, signal generators, spectrum analyzers, network analyzers, DC power supplies, AC power supplies, parameter analyzers, device analyzers, microwave power meters, frequency counters, noise figure testers, EMI test receivers, signal quality analyzers (high-speed bit error rate testers), wireless communication testers, protocol analyzers (PCIe, SAS/SATA, USB, etc.), safety compliance testers, digital multimeters, LCR meters, electronic loads, special power sources, network testers, network impairment emulators, and others.
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