Home » MI 4200 series of Low-Thermal Matrix Scanners
The MI 4200 series of Low-Thermal Matrix Scanners are ideal for automating precision measurements to sub-ppm accuracy. The model 4210, 4216 or 4220 series of low-thermal precision scanners are ideal for use in automated resistance and thermometry applications where several artifacts need to be calibrated efficiently and accurately. This series of Matrix Scanners improves efficiency by eliminating the need to continually change leads when measuring groups of resistors.
The input channels can be manually selected from the front panel or via the standard IEEE-488 interface when used in an automated system. LEDs on the front panel enable the operator to quickly verify which channels have been selected.
Front panel LEDs designated A and B will indicate the selected channels. Additionally, the A and B boards are separated to improve the insulation resistance. Protection from selecting the same relay on both sides is also available on the rear panel IEEE address switch.
The relay boards are thermally isolated to maintain equilibrium in the switching areas. Furthermore, the A and B boards are separated to improve the insulation resistance. Ultra sensitive, high efficiency, polarized sealed relay technology is used to eliminate self-heating in the relay. Sealed relays have the advantage that they avoid contamination build-up commonly found in competitive scanners where contamination builds up between the relay contacts and the contacts on the printed circuit boards.
A choice of six scanners is available. 10-channel, 16-channel, and 20-channel with either tellurium copper binding posts or 2-metre four-conductor Teflon cables.
In the A-series of scanners, the copper terminals are mechanically connected to the copper pads on the relay boards to reduce the thermals normally generated by soldered connections, thus reducing switching errors.
The model 4210A has 10 four-terminal input channels consisting of 40 tellurium copper binding posts and 2 four-channel outputs consisting of eight tellurium copper binding posts.
Open the datasheet for detailed specifications of this product.
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University of Luxembourg
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