AccuBridge® 6020T Series

  • AccuBridge® 6020T Series
  • Multiple Display Modes Including:
    • Temperature (°C, K, °F)
    • Resistance, Ω
    • Ratio
  • ADCC Technology
  • Accu-T-Cal™ Software (NMI Designed)
  • Three Models to choose from
    • 6020T-Standard
    • 6020T-P
    • 6020T-P-LEMO


Features & Benefits

Discover unparalleled thermometry accuracy with the AccuBridge® 6020T Thermometry Bridge. The preferred choice for primary lab level measurements, the 6020T boasts cutting-edge technology that sets it apart from the competition. With lightning-fast speed, remarkable measurement accuracy, and seamless data handling, it’s no wonder the 6020T is the go-to system in National Measurement Institutes and primary labs worldwide. Designed with flexibility and ease of use in mind, the 6020T features advanced ampere-turn sensitivity and voltage feedback circuit, resulting in improved linearity error and greater measurement certainty. And with its expanded ratio range of 0.1 to 5, the 6020T delivers unmatched features and functionality to meet all your requirements. Experience world-class measurement performance with the AccuBridge® 6020T.

Feature Benefit
Best accuracy ± 0.015 ppm from 1 Ω to 10 kΩ (equivalent accuracy of 0.004 mK at TPW1). Highest level of accuracy achievable in a commercial DCC bridge.
0.1 Ω to 100 kΩ range. Widest range providing customers with one bridge solution.
2-channel front panel scanner with keep warm currents. 2 Customers do not need to purchase an
additional scanner.
Quick measure mode. Provides you with the ultimate response time for the first measurement, less than 20 seconds.
Current reversal rate as low as 2 seconds. Gives you the world’s quickest DC bridge current reversal time of 2 seconds.
Store calibration coefficients for up to 5 thermometers without software aide. Allows internal memory storage for quick front panel measurements.
NEW 6020T-P-LEMO model with Lemo connectors for RT and Rs connections. Improves confidence in removal of errors due to thermals, drafts, external noise.

1 When measuring a 25.5 Ohm SPRT, 1 mA current.

2 Only available on 6020T-P and 6020T-S models


3 Models To Choose From

At MI, we know that budget considerations are top of mind for our customers. That’s why we’ve designed the AccuBridge® 6020T with affordability in mind. The 6020T-Standard, 6020T-Premium, and 6020T-P-LEMO models feature a cost-effective six-channel front panel design, complete with a convenient 1 mA keep warm current. With this innovative design, MI is proud to be the only DCC Bridge manufacturer to offer both a bridge and scanner in one unit, providing unbeatable value for your investment. Experience the best of both worlds with the AccuBridge® 6020T. The 6020T-P-LEMO was developed from an NMI request to eliminate the wiring connections.  They have been replaced with LEMO connections.

How to Select

Model 6020T – Premium / 6020T-P-LEMO
Current Reversal Minimum (s) 2
Sample Rate Minimum (s) 0.1
RS value (Ω) Accuracy of Ratio* (× 10-6)
1:1 5:1 1:10
0.1 to < 1 0.015 0.015 0.02
1 to < 10 0.015 0.015 0.02
10 to < 100 0.015 0.015 0.02
1 k to < 10 k 0.015 0.015 0.02
10 k to < 100 k 0.1 0.1 0.2
* Ratio define as (RPRT / RS)


Model 6020T – Standard
Current Reversal Minimum (s) 2
Sample Rate Minimum (s) 0.1
RS value (Ω) Accuracy of Ratio* (× 10-6)
1:1 14:1
0.1 to < 1 0.07 0.07
1 to < 10 0.07 0.07
10 to < 100 0.07 0.07
1 k to < 10 k 0.07 0.07
10 k to < 100 k 0.15 0.15
* Ratio define as (RPRT / RS)


Based On a 25.5 Ω SPRT Using a 25 Ω Reference Resistor
Temperature Premium Standard
TPAr 0.001 mK 0.003 mK
TPW 0.004 mK 0.017 mK
FPSn 0.008 mK 0.035 mK


Measurement Mode 4-wire
Linearity < 0.005 ppm of full-scale
Operating Conditions 10 °C to 35 °C, 10 % to 90 % RH non-condensing
Test Current Range 1 μA to 200 mA
Test Current Resolution 18-bit
Interface IEEE-488
Display Touch-screen display (no external keyboard), resolution 0.001 ppm

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