Friday 9 January 2015

IR temperature sensor for semiconductors & metals.

It is now possible to measure the temperature of reflective metals and semiconductors, as low as 350°C, at low cost and without contact.

The new PyroMini 0.9 infrared pyrometer, from Calex, can view into a vacuum chamber through a quartz or glass window, and measure the temperature of the surface of the silicon wafer. Temperature ranges from 350°C to 2000°C are available, and the low-temperature 350°C to 800°C model opens up new opportunities for temperature monitoring and control in silicon wafer processing.

Stable and repeatable measurements can be taken continuously for long periods, with a fast response time of just 240 milliseconds. With the optional MicroSD Card installed, over a year of data can be logged, even at the fastest sample rate of one reading per second.

The highest possible accuracy is provided by the PyroMini 0.9’s short-wavelength detector, which ensures that any error in emissivity setting or change in emissivity has the minimum effect on the measurement.

Miniature sensing head:
-         Dimensions 18 x 45 mm, stainless steel 316, sealed to IP65
-         Cable length of up to 30 m available

Electronics module with optional touch screen:
-         Large, bright temperature display
-         Visual alarm indication
-         Scrolling temperature graph
-         Full sensor configuration
-         Basic models available without a screen
-         Choice of 4-20 mA or RS485 Modbus output
-         2 x alarm relays on touch screen models that could be connected to alarm equipment directly, without a separate trip amplifier

Accessories are available including mounting brackets, air purging and laser sighting.

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