1310A Automated Resistance Standard

Developed and designed by metrologists for metrologists and calibration technicians

  • Internal resistance elements in a temperature-controlled chamber
  • Single output cable for direct plug-in
  • 9 primary-level internal reference standards
  • Customizable
  • Front panel or GPIB controlled
Overview

Transform your resistance standards calibration with MIs latest innovation: the 1310A Automated Resistance Standard. This user-friendly, cost-effective solution provides military organizations, national, and third-party labs with unparalleled accuracy and confidence in their resistance standards.

Designed with input from a world-renowned National Measurement Institute, the 1310A delivers exceptional results, making it the go-to choice for organizations looking to take their calibration to the next level. Upgrade your calibration process today, and trust in the precision and reliability of MI’s automated resistance standard.

Feature Benefit
9 resistors (1 Ω, 10 Ω, 100 Ω, 1 kΩ, 10 kΩ, 100 kΩ, 1 MΩ, 10 MΩ, 100 MΩ), 1 external channel. Complete line of decade value standards in one temperature-controlled enclosure.
Hand-picked high precision resistors in
temperature-controlled chamber.		 Delivers highest level of performance from the internal high-precision resistors.
Internal resistance elements in a temperature-controlled chamber. Excellent stability and extremely low-temperature coefficients.
Single output cable for direct plug-in. Easy operation. No changing wires.
Built for calibration of calibrators and DVMs. Best stability: < 2.5 μΩ/Ω/year.
Built-in 4-terminal scanner. Combines two instruments into one.
External channel. Connect to resistance value of your choice.
Front-panel or GPIB controlled. Simplifies operation.
Internally-mounted temperature sensor PT100. Connect to front panel to monitor
internal oven.

Figure 2. Drift of 9331 Resistor Over a 10 Year Period

Figure 1.    Drift of MI Resistor Over a 10 Year Period

Figure 3. Stability Testing Internal Temperature Chamber
Figure 2.    24-Hour stability testing internal
temperature chamber

Specifications
Nominal
Resistance
(Ohms)		 Nominal
Resistance
(± μΩ/Ω)
(± ppm)		 24 Hour
Stability
(± μΩ/Ω)
(± ppm)		 12 Month
Stability
(± μΩ/Ω)
(± ppm)		 Temperature
Coefficient
(± μΩ/Ω/°C)
(± ppm/°C)		 Max.
Voltage
(Volts)
100 MΩ 50 0.4 10 0.025 100
10 MΩ 35 0.25 10 0.025 100
1 MΩ 25 0.03 2.5 0.02 100
100 kΩ 15 0.02 2.5 0.01 100
10 kΩ 10 0.01 2.5 0.005 32
1 kΩ 10 0.01 2.5 0.005 10
100 Ω 10 0.01 2.5 0.005 3.2
10 Ω 10 0.01 2.5 0.005 1.0
1 Ω 10 0.01 2.5 0.005 0.32
Temperature Stability ± 0.1 °C (one-year)
Ambient Temperature Range 23 °C ± 5 °C
Ambient Humidity Range 20% to 70% RH
Warranty 2 years (parts & labour)

Scanner Specifications

Operation 4-terminal
Error Contribution < 20 nV
Contact Configuration Two-coil latching relay
Max Carrying/Switching Current 4/2 A @ < 30 V (DC)
Maximum Working/Switching Voltage 200/20 Volts @ < 100 mA (DC)
Contact Resistance < 0.05 Ω
Expected Relay Life 108 operations
Insulation Resistance > 1010 Ω @ 200 V

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