6020T Thermometry Bridge

The Measurements International AccuBridge® 6020T Thermometry Bridge (Furthermore 6020T) is the metrologist’s choice for primary lab level thermometry measurements. With its innovative technology, the 6020T’s speed, measurement accuracy, and data handling capabilities, make it the preferred primary thermometry measurement system in National Measurement Institutes (NMIs) and other primary labs worldwide.

The 6020T Thermometry Bridge is designed for flexibility and ease of use.

Ratio Range and Accuracy
The AccuBridge® Direct Current Comparator (DCC) with its binary wound current comparator technology balances current with effective resolution of 25 bits. It provides ratio measurements with an accuracy to better than 15 ppb. It covers a ratio range 0.1:1 to Max Ratio of 4.05:1, with a linearity of better than 5 ppb. The 6020T can perform ratio measurements with resistances valued from 0.01 Ω to 100 kΩ. Optional 10—, 16—or 20—channel scanners can be used individually or together to connect to up to 40 channels of ratio measurement for up to 40 different test resistors/PRT’s to be calibrated.

Ease of Use The 6020T Thermometry Bridge is perfectly suited for front panel operation or you can team it with MI’s Acc-T-CalTM Operating Software for fully automated measurements, history logging, graphing and regression analysis. Stand–alone operation with the touch sensitive display panel provides full bridge capabilities to the operator. Ratio or direct resistance measurements can be made. Multiple measurements over time can be numerically displayed or graphically displayed to best fit your needs.

The Measurement International Accubridge 6020T Thermometry Bridge features increased ampere turn (AT) sensitivity with more turns on both the master and slave windings and a new voltage feedback circuit to improve on the linearity error of the nano-volt amplifier. Also improved is the ratio from previous 1.5 ratios to the NEW Ratio range of 0.1 up to 4.05 Ratio allowing customers to meet all of there requirements.

Quick Measure Mode Provides Customers with the ability to have first reading within 20 seconds from pressing Start, Reversal Rates have been improved for 2 second’s. Only MI offers a DC Bridge with these improvements that can meet specification!

NEW Features
Listening to customer feedback, MI have acted to extend the measurement features of the DC Comparator Bridge by replacing existing AC Technology. MI have responded to requests with the release of the 6020T. The Measurements International Accubridge 6020T Thermometry Bridge features a new QUICK MEASURE mode which allows the bridge to balance faster thus improving the first measurement reading to be displayed within less than 20 seconds from pressing START!

Next MI focused on current reversal time. Customers have been requesting that a DC Current Comparator Bridge meet that again of AC Bridges. This again, has been accomplished with the improved reversal rate function of 2 seconds! MI is the only DC Current Comparator Bridge that has improved with these features and still meets stated specification!

  • Self Calibrating Ratio Bridge
  • Accuracy Whole Range (SPRT Ro ≥ 2.5Ω) 15ppb
  • NEW Quick Measure Mode under 20 Seconds to First Reading
  • NEW Reversal Rate of 2 Seconds
  • 0.01 Ω to 100 kΩ range
  • Front and rear panel inputs
  • Linearity < 0.005ppm
  • IEEE488 and manual operation
  • Accu-T-Cal™ Software for calibrating PRTs
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