Celesco PT9000 cable extension position sensors in UK

Variohm EuroSensor is now the exclusive UK supplier for the Celesco PT9000 cable extension position sensors. These units are said to be packed with application versatility for heavy-duty, high-accuracy linear measurements of up to 43m.

Used on indoor, outdoor and wet environment applications as diverse as material handling, water and waste treatment, hydraulic cylinder positioning, and crane control, the modular PT9000 series 'string pot' or 'draw wire' sensor includes one of the widest selections of features available on any standard sensor of this type today. The extensive choice of models and options covers IP67 or IP68 sealed aluminium or stainless steel housings, several industry-standard output signal options and a comprehensive selection of electrical interfaces.

The standard version has eleven measurement range options from 0-14m with an optional extended range to around 43m. The operating temperature range is from -40 to +90degC and the vibration rating is 10 'g' at 2000Hz. Guaranteed best position accuracy is 0.1 per cent of full stroke with repeatability to 0.02 per cent of full stroke.

Throughout the range, the drum-mounted durable plastic-hybrid precision potentiometer, with a 250,000 minimum rated cycle life, is factory configured for a choice of electrical outputs covering voltage divider, position/velocity output (with additional tachometer), 0/4-20mA, and 0-10V DC. An incremental encoder version is also available with positioning resolution from 10 to 250 pulses per inch of travel. Furthermore, CanBus- and DeviceNet-compatible output versions can also be supplied.


Additional options include a redundant brush system that offers extra protection for very dirty environments and a velocity-limiting system that prevents the cable from reaching a damaging velocity during a free-release. Up to seven electrical connection options are available for each output version - from plastic or metal connectors to fully pressure-tested waterproof cable.

To match application requirements, the PT9000 series is also available in a choice of powder-coated aluminium or 303 stainless steel housings with IP67 or pressure-tested IP68 rated protection from immersion in liquids. Hazardous area certification is also available and measuring cable options are nylon-coated stainless steel, stainless steel only or thermoplastic cable.

The Celesco PT9000 series cable extension position sensor typically requires just 150mm of width to install, with a generous tolerance of misalignment between the cable fixing point and the housing. The design also caters for a choice of four cable exit options.

Variohm-EuroSensor Ltd

Williams Barn
Tiffield Road
NN12 6HP

+44 (0)1327 351004



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