Transmille 8500 User Manual

8500 Series

Low Thermal Scanner

Operation Manual

Version 1.00
Jan 2012
All product names are trademarks of their respective companies

8500 LOW THERMAL SCANNER
OPERATION MANUAL

Guarantee and Service

Transmille Ltd. guarantees this instrument to be free from defects under normal use
and service for a period of 1 years from purchase. This guarantee applies only to the
original purchaser and does not cover fuses, or any instrument which, in
Transmille’s opinion, has been modified, misused or subjected to abnormal handling
or operating conditions.

Transmille’s obligation under this guarantee is limited to replacement or repair of an
instrument which is returned to Transmille within the warranty period. If Transmille
determines that the fault has been caused by the purchaser, Transmille will contact
the purchaser before proceeding with any repair.

To obtain repair under this guarantee the purchaser must send the instrument in its
original packaging (carriage prepaid) and a description of the fault to Transmille at
the address shown below. The instrument will be repaired at the factory and
returned to the purchaser, carriage prepaid.

Note :
TRANSMILLE ASSUMES NO RESPONSIBILITY FOR DAMAGE IN TRANSIT

THIS GUARANTEE IS THE PURCHASER’S SOLE AND EXCLUSIVE GUARANTEE
AND IS IN LEIU OF ANY OTHER GUARANTEE, EXPRESSED OR IMPLIED.
TRANSMILLE SHALL NOT BE LIABLE FOR ANY INCIDENTAL, INDIRECT,
SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS.

Transmille Ltd.
Unit 4, Select Business Centre
Lodge Road
Staplehurst
Kent
TN12 0QW
United Kingdom

Tel : [phone]
Fax : [phone]

EMail : [e-mail]
Web : www.transmille.com

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8500 LOW THERMAL SCANNER
OPERATION MANUAL

TABLE OF CONTENTS

GUARANTEE AND SERVICE................................................................................................................2

8500 LOW THERMAL SCANNER .........................................................................................................4

MAIN FEATURES...................................................................................................................................5

FRONT PANEL ......................................................................................................................................6

REAR PANEL ........................................................................................................................................7

OPERATING NOTES .............................................................................................................................8

INTERFACE / POWER CONNECTIONS...............................................................................................8

CONNECTION RECOMMENDATIONS.................................................................................................9

EXAMPLE CONNECTION : RESISTANCE STANDARD..................................................................................9

EXAMPLE CONNECTION : PRT PROBE ...................................................................................................9

CHANNEL SELECT MODES ...............................................................................................................10

MANUAL CHANNEL SELECT .................................................................................................................10

REMOTE CHANNEL SELECT .................................................................................................................11

SPECIFICATIONS................................................................................................................................12

CARE & MAINTENANCE .....................................................................................................................13

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8500 LOW THERMAL SCANNER
OPERATION MANUAL

8500 Low Thermal Scanner

The model 8500 Low Thermal Scanner provides a low thermal 4 terminal switching
system making it ideal for 4 wire resistance measurements in resistance
thermometry and for resistance comparisons.

The use of ultra low thermal 4mm terminals make connecting the scanner to UUT's
easy, allowing the measurement system to be quickly re-configured. With the output
from the scanner located on the rear panel connections can be routed efficiently,
providing a neat and simple cabling solution.

Applications include scanning of both electronic and standard reference cells,
standard resistance comparisons measurements and PRT probe measurements.
Special care has taken in the scanner designed to minimize thermal generated EMF
voltages. By reducing internal self heating to almost zero by using a very low power
circuit, even the power supply is external, using latching relays which only need a
single pulse of power to set and using gold platted de-oxgenated copper terminals
thermal voltages have been reduced to less than 150nV.

Control is from the Serial RS232 or USB interface (using converter) or via the front
panel control buttons. LED indicators show the selected channel. The internal
firmware ensures that two channels can never be selected at the same and that the
switching is break before make.

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