Alpha Electronics ADR-3204GR digital resistance box with a grey case, an LCD display, a numeric keypad, H, L and G terminals and a carrying handle

VPG ADR-3204GR Programmable Resistance Box

VPG ADR-3204GR Programmable Resistance Box

  • Precision programmable resistance box and RTD simulator
  • Resistance range 5Ω to 199.9999kΩ in three ranges
  • Accuracy ±(0.01% + 2mΩ) in 6½ digit readings
  • Resolution down to 0.001Ω
  • Temperature coefficient of resistance ≤5ppm/°C above 100Ω
  • PC control over GP-IB and RS232C, with local entry from the panel keys
  • Pt100, Pt200, Pt300, Pt500 and Pt1000 temperature input to IEC 60751
  • VPG Foil Resistors

Specifications

Product Type

, ,

Series / Model

Model / Part Number

Minimum Resistance

5Ω

Maximum Resistance

199.9999kΩ

Accuracy

±(0.01% + 2mΩ)

Power Rating

Temperature Coefficient

Alpha Electronics ADR-3204GR digital resistance box with a grey case, an LCD display, a numeric keypad, H, L and G terminals and a carrying handle

VPG ADR-3204GR Programmable Resistance Box

VPG ADR-3204GR Programmable Resistance Box

  • Precision programmable resistance box and RTD simulator
  • Resistance range 5Ω to 199.9999kΩ in three ranges
  • Accuracy ±(0.01% + 2mΩ) in 6½ digit readings
  • Resolution down to 0.001Ω
  • Temperature coefficient of resistance ≤5ppm/°C above 100Ω
  • PC control over GP-IB and RS232C, with local entry from the panel keys
  • Pt100, Pt200, Pt300, Pt500 and Pt1000 temperature input to IEC 60751
  • VPG Foil Resistors

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Product Datasheet

Supporting Manufacturer Information

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The ADR-3204GR from Alpha Electronics, a VPG brand, is a precision programmable resistance box and RTD simulator. It can be set to any resistance from 5Ω to 199.9999kΩ, either from a PC or from its own panel keys, with an accuracy of ±(0.01% + 2mΩ).

Programmable Resistance for Automated Inspection

The ADR-3204GR is set to the desired resistance from a PC over GP-IB or RS232C, supporting automated inspection that reduces inspection time while avoiding human error. It can set a resistance in as little as 100ms. The interface specification is open to users. In local mode, resistance values are entered from the panel keys.

RTD Simulation to IEC 60751

The JIS C1604/IEC 60751 Pt thermometer table is stored in memory, so specific temperatures can be entered for their resistance values in the Pt standard table. Temperature input is available for Pt100, Pt200, Pt300, Pt500 and Pt1000.

Ranges, Resolution and Accuracy

The 5.000Ω to 1.999999kΩ range resolves to 0.001Ω, the 2.00kΩ to 19.99999kΩ range to 0.01Ω and the 20.0kΩ to 199.9999kΩ range to 0.1Ω. Accuracy is ±(0.01% + 2mΩ) across all three ranges, with a maximum power of 0.5W.

Bulk Metal® Foil Construction

The ADR-3204GR is built with ultra precision Bulk Metal® Foil resistors, whose very low resistance temperature characteristics and long-term stability support its accuracy and stability. The temperature coefficient of resistance is ≤5ppm/°C above 100Ω. Double electrical shielding protects against noise.

Compact Design and Weight

The ADR-3204GR is of compact design and weighs approximately 5kg. Outline dimensions are given in the datasheet. It carries the CE mark.

Frequently Asked Questions

Can the ADR-3204GR simulate a Pt100 sensor?

Yes. Temperature input is available for Pt100, Pt200, Pt300, Pt500 and Pt1000 to IEC 60751. The JIS C1604/IEC 60751 Pt thermometer table is stored in memory, so a specific temperature can be entered for its resistance value in the Pt standard table.

How is the ADR-3204GR controlled?

From a PC over GP-IB or RS232C, or locally from the panel keys. The interface specification is open to users.

What resistance range and accuracy does the ADR-3204GR cover?

5Ω to 199.9999kΩ in three ranges, with a resolution of 0.001Ω, 0.01Ω or 0.1Ω depending on the range. Accuracy is ±(0.01% + 2mΩ) in 6½ digit readings.

How quickly does the ADR-3204GR set a resistance?

It can set the desired resistance in as little as 100ms.

Contact our resistor specialists today to discuss the ADR-3204GR for your inspection or RTD simulation requirements.

Alpha Electronics ADR-3204GR digital resistance box with a grey case, an LCD display, a numeric keypad, H, L and G terminals and a carrying handle

VPG ADR-3204GR Programmable Resistance Box

VPG ADR-3204GR Programmable Resistance Box