Established in 1998, China Guanda Hose Technology Co., Ltd. is a professional pipe locator manufacturer and wholesaler of hoses and tubes. Our annually capacity of various kinds of hoses is more than 5,000,000 meters. Our customized pipe locators products are applied in industrial equipment, hotels, villas, toilets, and kitchens. They are widely used in the field of aerospace, metallurgy, petrol-chemical, machinery, architecture, shipping, vacuum, power and light industries.

Three Year Warranty, two active frequencies for pipe, cable and line tracing, passive operation for locating iron and steel targets and energized 50/60Hz power lines, inductive and conductive signal coupling, extra Heavy Duty Clips and Cable, five discrete sensitivity settings, receiver supplied with two environmentally friendly 9-volt lithium batteries, piezoelectric speaker, 45 degrees Depth Measurement, patented HeliFlux Sensors. RD4000 Best in class high-end pipe and cable location. The Radiodetection RD4000 cable and pipe locator is widely seen as the industry standard, with the highest locate performance, multiple locate modes and ease of use for locating utilities, marking for construction, mapping or fault finding.

Multiple frequencies allow user to customize the unit for specific local field needs. Low 512 Hz frequency for locating cables and pipes; high 83 KHz frequency for high resistance lines or insulated distribution systems. Also features a 50/60 Hz passive frequency and includes 4in. clamp for location through inductive direct coupling. Ultra lightweight wand with built in bubble level makes depth triangulation easy. Audio indication through built in speaker. Operates on 8 D cell batteries and one 9 Volt battery. Carrying case included.
The RD500 is a locator for underground plastic water pipes. A transonde is used to vibrate the water as it passes through it and across an internal spring system sending a minute sound wave back along the water pipe .