Third generation Webtec Digital Hydraulic Tester offers IP65 protection rating

Webtec is unveiling the third generation of its class-leading DHT digital hydraulic tester designed to assist hydraulic technicians with reactive, proactive and preventive maintenance. Measuring flow, pressure and temperature the DHT has a built-in loading valve to simulate load. This rugged tool - a workhorse of the hydraulic testing arena - features a number of key improvements to enhance both its robustness and ease-of-use when checking the performance of hydraulic pumps, motors, valves and hydrostatic transmissions. By investing in the new-generation Webtec DHT, industry professionals will be able to check hydraulic system performance, pinpoint faults and reduce downtime in a range of applications, including excavators and attachments, tractors and other farm machinery, cranes, crushing and screening systems, military vehicles, and municipal vehicles.

As with all Webtec upgrades, the company listened carefully to the requirements of its end users, distributors, sales and manufacturing teams when developing the specification for the third generation DHT. Webtec is seeing demand for its DHT-series portable testers rise from users operating in extremely dusty and wet environments. As an electronic instrument, the company therefore set about upgrading the unit’s protection rating to IP65. IP65 provides the highest level of dust protection, while also offering the ability to withstand low-pressure jets of water from all directions. Electronics, sensitive components and internal wiring therefore remain fully protected even in the most challenging of operating conditions. 

Further enhancements to the latest Webtec DHT focus on display functionality. The display area is almost three times larger than the previous-generation model, presenting easier-to-read flow digits. In addition, users can select their preferred engineering units via convenient panel buttons. 

Additional improvements include the introduction of: a battery power gauge (low power consumption means the DHT provides 230 hours of continuous use per 9V battery); a service interval reminder; internal temperature monitoring for sensitive components; and an operational limit warning (LED) when measuring high temperature fluids up to 120°C.

Notably, as on all Webtec testers, an integral loading valve gives progressive pressure loading in either flow direction. Webtec’s unique Interpass® safety protection system using replaceable safety discs operates if the maximum pressure is exceeded, ensuring flow is relieved internally back to the return line. 

Six standard DHT models are available from 300 to 800 l/min maximum flow rate and 420/480 bar maximum pressure with BSP and SAE porting. Webtec is able to meet custom specifications upon request in line with the company’s innovative Make it BLUE® manufacturing process that helps customers maximise the potential of their hydraulic machinery without the complexity or cost of consultancy. Webtec developed Make it BLUE® following extensive discussions with customers, who now benefit from a more integrated approach to product customisation. 

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