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Features

  • 10 channels
  • Ideal for 4-wire resistance measurements
  • RS232 serial interface
  • Reduces internal self heating to almost zero
  • Minimizes thermal generated EMF voltages
  • Neat and simple cabling

This product is an accessory for the following products:

The Transmille 8500 10-channel low thermal scanner expands capabilities of the Transmille 8000 series precision multimeter to provide up to 10 channels for multiple PRT and thermocouple measurements which greatly increase the versatility of the meter while allowing it to reach its full potential as a complete measurement system.

Each channel of the Transmille 8500 provides very low thermal 4-terminal switching making it ideal for 4-wire resistance measurements in resistance thermometry and for resistance comparisons.

The use of 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 to the rear panel terminals of the 8000 series DMM providing a neat and simple cabling solution.

Applications of the Transmille 8500 include scanning of both electronic and standard reference cells, standard resistance comparisons measurements and PRT probe measurements. Special care has been taken in the scanner design to minimize thermal generated EMF voltages. Thermal voltages have been reduced to less than 150nV 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 plated de-oxygenated copper terminals.

Control for the 8500 scanner is from the Serial RS232 interface or via the front panel control buttons. An LED indicator shows 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.

Specifications for the Transmille 8500 10-Channel Low Thermal Scanner
Number of channels 10
Switching 4 Contact Kelvin switching : 2 Voltage : 2 Current
Maximum Voltage 200 V
Maximum Current 1 A
Connection Front panel inputs 4mm terminal low thermal gold on copper
Thermal EMF Typically less than 80nV
Switch Resistance Less than 0.2 ohms
Relay Type Latching
Interface Serial RS232 or LAN (Ethernet)
Internal Temperature 5°C to 35°C (Accuracy ± 0.1°C)
Humidity 10 to 90%RH (Accuracy 5%)
Mains Voltage 200V to 260V AC 50Hz
Test Leads
Transmille 8500 Series Low Thermal Test Lead Set
Analog test lead set for Transmille 8500 Series Low Thermal Scanner
$477.00