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Temperature sensors highlighted at Maintec 2009

A Micro-Epsilon UK product story
Edited by the Engineeringtalk editorial team Jan 20, 2009

Micro-Epsilon is to showcase a range of temperature sensing products at Maintec, including a thermal imaging camera for industrial applications and non-contact, inline process temperature sensors.

The Thermometer PI (process imager) is a rugged, inline, infrared thermal imaging camera that provides temperature images and profiles of a target area.

The plug-and-play device is compact and lightweight, enabling easy mounting in restricted spaces.

The camera is protected to IP65 (Nema-4) and is powered (5VDC) via the USB 2.0 interface, with a maximum current draw of 500mA.

Free software, which enables users to configure the adjustable parameters of the PI and capture (up to 100Hz full frame rate) and store images or an event for playback at a later date, is included as standard.

Rather than being a handheld thermal imaging camera, the Micro-Epsilon PI can be fixed into position in a production process or research and development laboratory to monitor the temperature profile of target materials or objects.

Also on show at Maintec 2009 will be the Thermometer CSM HS, an infrared temperature sensor that is suitable for measuring very small temperature differences down to 0.025C.

The sensitivity of the device has been achieved by utilising a type of infrared detector material developed by the company.

The thermal and electronic design - which has no moving parts - ensures a low ambient drift and results in a sensor with a noise level of five to seven times less than alternative thermometers.

The sensor is being utilised by manufacturers of solar panels, flat-screen LCD displays, and semiconductors.

Visitors to Maintec 2009 can also see a demonstration of Micro-Epsilon's Thermometer CT laser 3M.

This infrared temperature sensor measures at a short wavelength of 2.3um for all temperature measurements between 50C and 600C.

Micro-Epsilon said the sensor has a low unit price compared with other 2-3um-wavelength sensors on the market.

With a start temperature of 50C, the sensor enables end-users to measure the temperature of metals or composites while processing at room temperature.

The short wavelength also allows measurements to be taken through glass or transparent plastic windows, a common task in the latest laser welding or lighting systems.

The sensor's precision double laser sighting, good optical resolution (100:1), minimum spot size of 0.7mm, and favourable price/performance ratio, mean the device is ideal for measuring in the metal processing and metal components industry at temperatures up to 600C.

The double laser sighting system has two laser beams, which precisely follow the infrared optical path, marking at any distance the real spot size.

Most common pyrometers use a central laser beam, through-lens sighting system or video sighting, which simply mark the centre and estimate the spot size.

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