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Proxwitch Capacitive Sensors

Proxwitch Capacitive Sensors

Proxwitch Capacitive Sensors

Product catalog summary
Overview
The Tempatron Proxwitch capacitive sensors are designed to detect a wide range of materials, including grain, feedstuff, plastic pellets, and liquids. They can sense both metallic and non-metallic objects up to a distance of approximately 5mm, depending on the material. The sensors are equipped with a high hysteresis, adjustable low sensitivity, and are sealed to IP67, making them suitable for dusty or dirty environments.
Models and Features
Two models are available: PXW-2 (without delay) and PXW-3 (with delay). The PXW-3 model includes an adjustable time delay from 4 seconds to 10 minutes, beneficial for applications like tank filling to prevent frequent pump motor restarts. Both models feature a rugged enclosure, isolated changeover relay contacts rated at 5 Amps, and an LED indicator for relay status. They are powered by 24Vac/dc, 110Vac, or 230Vac.
Specifications
  • Power Supply Voltages: 24Vac/dc, 110Vac, or 230Vac
  • Supply Voltage Variation: ±10%
  • Frequency: 50/60Hz
  • Burden: <1VA
  • Relay Output: Single pole changeover contact
  • Contact Rating: 5A at 240Vac/30Vdc (resistive)
  • Cable Length: 1.5m
  • Sensing Range: Approximately 5mm (material dependent)
  • Switching Delay: PXW-2: 0.5 seconds; PXW-3: 4 seconds to 10 minutes
  • Operating Temperature: -10ºC to 55ºC
  • Storage Temperature: -10ºC to 70ºC
  • Enclosure: ABS, sealed to IP67
  • Weight: 450g
  • Markings: CE marked, compliant with EN61010-1 and EMC directives
Installation and Ordering
The sensors mount using a standard PG36 gland with a 47mm diameter hole cutout. Ordering information includes model codes PXW-2 and PXW-3, with supply voltage options of 24, 110, or 230.
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Catalog excerpts

Proxwitch Capacitive Sensors-1

Proxwitch Capacitive Sensors Product Features ■ Senses a wide range of materials ■ Suitable for dusty/dirty environments ■ Rugged enclosure protected to IP67 ■ Mounts with a standard PG36 gland ■ Isolated changeover relay contacts ■ 5 Amp rated relay contacts ■ Available with or without time delay The Tempatron Proxwitch capacitive sensors are designed to detect the presence of a very wide range of materials such as grain, feedstuff, plastic pellets and liquids. They will sense metallic and non-metallic objects at a distance of up to 25mm depending on material being sensed, with the output relay energising upon detection. They have a high hysteresis, adjustable low sensitivity and are sealed to IP67, making them ideal for operation in dusty or dirty environments. The PXW-3 has a built in time delay, adjustable from 4 seconds to 10 minutes, which is useful in tank filling applications to avoid frequent pump motor restarts. They are available in 24Vac/dc, 110Vac and 230Vac versions and have a fully isolated 5 Amp rated single pole changeover relay output contact and an LED to indicate relay status. For detection of a wide range of metallic and non-metallic materials All dimensions in mm Note: Relay contact shown in ‘material sensed' position

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Proxwitch Capacitive Sensors-2

Tempatron Email: [email protected] Web: www.tempatron.co.uk Continued... PXW-2 Proxwitch Capactive Sensor without Delay PXW-3 Proxwitch Capactive Sensor with Delay Power Supply Voltages: Supply Voltage Variation: Tempatron: Eltime House, Hall Road, Maldon, Essex, CM9 4NF UK. Tempatron Industrial Controls is a division of Eltime Ltd. © Eltime Ltd. Tempatron Proximity Sensors 04/2011 - Single pole changeover contact - CE marked (meets EN61010-1 low voltage and EN50081-1/50082-1 EMC directives) Specification subject to change without notice.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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