6010D (0.01 Ω to 100 kΩ)

  • Featuring True Ratio Self Calibration
  • Range 0.01 Ω to 100 kΩ
  • 7” Touch Screen and USB
  • Accuracy < 40 × 10-9 for 1:1 Ratios
  • Accuracy < 40 × 10-9 for 10:1 Ratios
  • Linearity < 5 × 10-9
  • Binary Wound Current Comparator
  • Manual and Automatic Operation
  • Full System Solutions and Full System Integration with 4200 Series of Matrix Scanners and 6011 Range Extenders
Features & Benefits

The 6010D Resistance Bridge is the Metrologist’s Choice for primary lab level resistance measurements. Recognized as the world’s leading Automated Resistance/Thermometry Bridge, the AccuBridge® 6010D is ideal for resistance measurements in both resistance metrology and temperature thermometer applications. With its innovative technology, the AccuBridge® 6010D’s speed, measurement accuracy, and data handling capabilities, make it the preferred primary resistance measurement system in NMIs and other primary labs worldwide. The 6010D is designed for flexibility and ease of use.

Ratio Range & Accuracy

The AccuBridge® Direct Current Comparator 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 40 parts in 10-9. It covers a ratio range of from 0.0769:1 to 14:1, with a linearity of better than 5 parts in 10-9. The 6010D can perform ratio measurements with resistances valued from 0.001 Ω to 100 kΩ. A line of optional high current range  extenders permits measurements down to 1 micro ohm for shunt resistance measurement applications.

Full Featured Standalone or Automated Resistance Operation

The 6010D Bridge itself can ratio a standard resistor with another resistor being tested. 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.

The 6010D is perfectly suited for stand-alone operations or you can team it with MI’s AccuBridge® 6010SW Windows®-based Operating Software for fully automated measurements, history logging, graphing, and regression analysis. Standalone operation with the 6010D’s 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 the user’s needs.

Full Featured Standalone or Automated Temperature Operation

For temperature applications, such as measuring SPRTs and PRTs, the 6010D can translate the resistance data into temperature units, simplifying these applications greatly using MI’s Accu-T-Cal™ software package.

The AccuBridge® Family of Bridges

The 6010D is a high performance model of a MI Bridge. One of a family of bridges where there are various bridges optimized for different tasks; from measuring Quantum Hall Resistance standards over a smaller range of resistance but with excellent uncertainties, to others which are a better fit for secondary labs with broader range of measurements but with larger uncertainties. There are three different bridge designs which use different measurement methods to measure over 21 orders of magnitude of resistance, from 1 micro ohm to 10 Peta ohms. The Accubridge® family offers the best line of bridges available for measuring the widest range of resistance.

As a stand-alone device, the AccuBridge® 6010D measures both ratio and absolute values. You select functions using the menu on the 6010D’s large touch screen display. For absolute measurements, you enter the value and related uncertainty of the standard resistor using the display’s keypad. You enter the measurement functions such as current through the unknown resistor, settle time, number of measurements, and number of statistics the same way.

You can verify the calibration accuracy of the 6010D by performing an interchange measurement at any ratio. The interchange technique works at all ratios from 13:1 down to 0.1.

The 6010D’s low-noise, touch screen display is interactive with the measurements, as shown in the following screen images. When a reading is complete, the average value and uncertainty (based on the number for statistics) are displayed. All uncertainty calculations are 2 sigma level.

6010_Table 6010_Touch


Windows Operating Software

Measurements International’s AccuBridge® 6010SW Windows®-based Operating Software features measurements automation, report generation, historical analysis, and tracking and correcting for resistor drift rates. When you combine the 6010D with an MI IEEE-controlled 9400 Standard Resistor Oil Bath or 9300A Air Bath, you can automatically perform alpha and beta calculations on resistors under test.

You can export all data directly to Excel® for various test patterns or mainframe applications. External atmospheric pressure, humidity, and temperature indicators are optional and the entire system can be enclosed in a 4 or 5 ft. rack. Resistor baths (oil or air), instrument controllers, printers, system software, IEEE-488 interface, installation, and training are available for complete system packages.

The 6010DSW features both a standards ID file (Rs) and an unknown resistor ID (Rx) file for storing the resistor information and data to help protect the standard resistor data from been overwritten. The AccuBridge® 6010SW software provides the ultimate in user programs and control for all your resistors and temperature calibrations.

When you use the 6010D in conjunction with our 6011D series of Range Extenders and 6100 series of Power Supplies, you can extend its range. Our Range Extenders include the 6011/150A, 6011/200A, and 6011/300A modules. The range can be extended further to 1 μΩ with our Model 6013M 400 Amp Range Extender, Model 6012M 2000 Amp Range Extender, or Model 6014M 3000 Amp Range Extender shown on the right. For shunt systems below 400 amperes the connections are made on the front of the rack and for shunt systems above 400 amperes the connections are made on the side of the rack. Controllers may also be added directly into the system.

Self-calibration ratio bridge where the ratio accuracies can be verified at anytime using the interchange technique
method for 1:1 ratio, 10:1 ratio and 1:10 ratio measurements with the following equation
re=(Ra-1/Rb)/2. Uncertainties follow GUM at 2 sigma level (95 %) along with degrees of freedom.
Range Accuracy With Range Extender
10 µΩ to 100 µΩ N/A < 0.5 × 10-6
100 µΩ to 1 mΩ N/A < 0.4 × 10-6
1 mΩ to 10 mΩ < 5.0 × 10-6 < 0.3 × 10-6
10 mΩ to 100 mΩ < 0.5 × 10-6 < 0.2 × 10-6
100 mΩ to 1 Ω < 0.04 × 10-6 < 0.2 × 10-6
1:1 Ratio Accuracy 10:1 Ratio Accuracy
0.1 Ω to 0.1 Ω < 0.1 × 10-6 0.1 Ω to 1 Ω < 0.04 × 10-6
1 Ω to 1 Ω < 0.04 × 10-6 1 Ω to 10 Ω < 0.04 × 10-6
10 Ω to 10 Ω < 0.04 × 10-6 10 Ω to 25 Ω < 0.04 × 10-6
25 Ω to 25 Ω < 0.04 × 10-6 10 Ω to 100 Ω < 0.04 × 10-6
100 Ω to 100 Ω < 0.04 × 10-6 100 Ω to 1 kΩ < 0.04 × 10-6
1 kΩ to 1 kΩ < 0.04 × 10-6 1 kΩ to 10 kΩ < 0.04 × 10-6
10 kΩ to 10 kΩ < 0.1 × 10-6 10 kΩ to 100 kΩ < 0.1 × 10-6

General Specifications

1(a) Measurement Mode 4-wire
1(b) Linearity < 0.005 ppm
1(c) Temperature Coefficient < 0.01 ppm/°C
1(d) Test Current Range 10 µA to 200 mA (Internal) with 24.9 V compliance
1(e) Test Current Accuracy 100 ppm +10 µA (Full Range)
1(f) Test Current resolution 1 µA
1(g) Automatic Current Reversal 4 to 1000 seconds
1(h) Interface IEEE-488
1(i) Operating Line Voltage 100 V, 120 V, 22 0V, 240 Vac ± 10 % 1-Phase
1(j) Display Touch screen display (no external keyboard), resolution 0.001 ppm
1(k) Touch Screen Menu Operation The touch screen menu operations are the same as the software and provide key measurement functions such as display resolution; filtering; display of ohms or ratio, or both; viewing of data graphical or statistical, or both; doubling of power by √2, or dividing of power by 1/√2. These functions are both manual and automated.
1(l) Measurement Setup Measurement setup parameters include internal current outputs to 200 mA extended current outputs to 150 A or higher. Measurement setups are identical for manual as well as software operation.
1(m) Display Operation The display is a 7”-touch screen display for entering the measurement setup parameters and displaying the data in real time graphically, or statistically, or both.
The touch screen can be used to save all data to front panel USB.
1(n) Free Running The bridge is capable of free running in order to trim potentiometers, decade boxes and other resistive adjustments.
1(o) Terminals Tellurium-copper gold plated binding posts. Accepts male banana plugs, spade lugs, or bare wire.
1(p) USB USB features data storage and software upgrades

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