Yokogawa 2560A High Voltage and High Current Precision DC Calibrator

Product Overview:

The Model 2560A is a simple, precise and cost effective solution for calibrating DC measuring instruments such as analog meters, thermometers, temperature transmitters and data loggers
The 2560A Precision DC Calibrator offers high voltage and high current generation and intuitive operation for the analog meters calibration.
  • Wide output range of voltage and current generation
  • Dials and switches for each digit and function
  • High accuracy, stability, and resolution
  • Various effective functions for analog meters calibration.
With output ranges of 100 mV to 1000 V and 100 µA to 30A, plus 10 different types of Thermocouples and Pt100 RTD, the 2560A can effectively solve the calibration requirements for DC Analog Meters and various temperature measuring instruments and controllers.

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High Accuracy

DC Voltage: ± 50 ppm

DC Current: ± 70 ppm

At 1 V and 1 mA range, for 180 days, 10 ppm = 0.001%

High Stability

DC voltage: ±10 ppm/h 

DC current: ±20 ppm/h

At 1 V and 1 mA range

High Resolution

5.5 digits, ±120000 count display 

6.5 digits, ±1200000 count display*

*In the high resolution mode

Wide Output Range

DC voltage: −1224.00 V to +1224.00 V 

DC current: −12.2400 A to +36.720 A

5 voltage ranges (100 mV, 1 V, 10 V, 100 V, 1000 V)

7 current ranges (100 μA, 1 mA, 10 mA, 100 mA, 1 A, 10 A, 30 A)

The maximum output is ±122.4% of range. An instrument’s 1200 V range can be calibrated.

Higher current output

To generate higher current than 36.72 A, two 2560As can be connected to double the output to 73.44 A.

2560A Higher Current Output

Calibrating and testing analog meters

Using the output divider and deviation

Calibrating two or more points is quick and simple. It is only necessary to preselect the number of required calibration points with the lower divider control and then use the upper control to step the output to the next calibration point. The deviation settings will then enable the output value and error of each calibration point to be displayed directly.

2560A Calibrating Testing Analog

Using the output divider and deviation preset

The deviation preset control can be used to move the output value in small increments (2 or 5% of the step between calibration points).

This means that it is possible to finely approach the target calibration point, either from a lower value or a higher one, without exceeding it. This is particularly useful when the friction (hysteresis) of the moving part needs to be taken into consideration. In this case the point is calibrated twice, once from a lower value and once more from a higher value and the final calibration result is the average of the two.

2560A Output Divider

Using sweep

Needle sticking tests can be performed with high repeatability. It is possible to stop at any point and sweep around it in fine detail.

2560A Using Sweep

Calibration and testing multimeters

In the high resolution mode up to 6.5 digits, it is possible to test and calibrate digital multimeters and resistance standards.

*Sweep, divider, and deviation are not available in high resolution mode.

2560A Calib And Test

Calibrating and testing temperature controllers

10 types of thermocouples and Pt100
The 2560A can calibrate and test temperature controllers and 
data loggers which use thermocouples and RTDs. 10 types of IEC thermocouple are supported. By setting a temperature value, the emf (electro-motive force) equivalent to the temperature is generated. A wide range of temperature controllers can be calibrated due the high accuracy. 
When using a Pt100 RTD, a set temperature value generates 
the equivalent resistance value. Calibration using the resistance value can also be performed by setting resistance instead of temperature.
2560A Calibration By Temp
RJC at output terminals
The 2560A has 3 RJC (reference junction compensation) modes. The “internal RJC mode” uses the output terminals of the 2560A as the reference point. The “External RJC mode” enables the user to choose a suitable Pt100 as a versatile external sensor. The “Manual RJC mode” enables a reference value to be manually entered.
2560A Internal RJC

2560A Connection Interface

2560A Comparison Chart

Name Description  
LabVIEW drivers for 2560A LabVIEW drivers for 2560A y-Link
Sample programs for 2560A Sample communication programs (VB .NET/VC++) for 2560A. y-Link
TMCTL TMCTL is a DLL to support development of custom software. By using this DLL, users can write original programs to control instruments from a PC. y-Link
USB Driver The USB Driver is needed when required by the software. y-Link
LCA Reduced energy, emission of CO2, NOx and SOx about 66% compared to the previous model.
PDF Results of Life Cycle Assessment

More Product Information

The 2553A Precision DC Calibrator, like our other Calibrators and Sources, offers users the simple operation and reliability they have come to trust from Yokogawa.
  • Digital Display of Output
  • High Basic Accuracy
  • High Stability and Low Noise
  • High Resolution
With output ranges of ±10 mV to ±30 V and ±1 mA to ±100 mA plus 10 different types of Thermocouples and Pt100 RTD, the 2553A can effectively solve the calibration requirements for DC Analog Meters and various temperature measuring instruments and controllers.

Key Features
  • Precision Voltage and Current Source 
  • 4500VA to 13500VA Output
  • Single & Three Phase Configurations
  • Computer Control for Automated Systems Remote programming and collection of measurement data
  • Separate Single Phase Outputs of up to 200A and 270V (L-N) Simulation of power levels up to 54 KW
  • Multiple Chassis Configurations for Two & Three Phase Systems Power level simulation up to 162 KW for three phase operation
  • Independent Full Capability Measurement System Monitors load parameters without additional instrumentation
  • Simulate True Power
  • Great for Testing Watt-Hour Meters

Provides 15,000A DC at 5V DC in current mode 
  • Single complete package
  • Integrated bus bars
  • Current mode Analog programming
  • Input 400VAC, 220A/ph, Delta

Automated Characterization, Power Cycling, & Life-Cycle Testing of Low Voltage/High Current Batteries
  • Single output up to 40V/3,600A/72kW per system
  • Parallel expansion up to 7,200A
  • Built-in digital measurements including Ah & kWh
  • Multiple safety layers to protect battery/DUT
  • SCPI, VXI-11, & LabVIEW control via LAN interface
  • NI-Compliant LabVIEW Drivers
  • 87% efficiency returning discharge power to facility
  • Crane/hoist lifting hangers & robust casters

Passive Probe, 1000Vrms, 250MHz, 100:1, 50MΩ, 3.0m, 'Mini' with extra-long 3m lead. Compatible with DL1700, DLM2000, DLM4000, DL/DLM6000, DL9000 and SB5000. See also 701944 for 400 MHz version of this same probe.

The 701944 is an oscilloscope passive probe supporting up to 1000Vrms, 400MHz bandwidth, and 100:1 attenuation ratio. The probe length is 1.2 meters, with a 50MΩ input resistance.
This probe is well suited for high voltage, higher bandwidth single ended voltage measurements at an affordable cost. It is compatible with Yokogawa oscilloscope models DLM2000, DLM4000, DL/DLM6000, DL9000, SB5000 and DL1700. See also 701945 for the 250MHz bandwidth version of this same probe.

  • High Power Density: Up to 15 kW in a 3U / 30 kW in a 6U chassis 
  • Wide Voltage Range: 0-40V up to 0-600V, in increments of 5 kW from 5 to 30 kW 
  • Fast Load Transient Response: Protection from undesired voltage excursions 
  • Low RMS and P-P Noise: Suitable for the most sensitive applications 
  • Parallelable up to 150 kW: Expandable as your requirement grows 
  • Modular Design: Upgradeable for the ultimate in investment protection 
  • Sequencing: Program custom waveforms 
  • Easy-to-read Fluorescent Display: SGI supports English, French, German, Italian, Spanish, Chinese, Japanese, and Korean languages 
  • 16-bit Resolution: Optional IEEE-488.2 + RS-232C + Ethernet provides precise control 
  • Ethernet Control: LXI Class C compliant communication through integrated web server 
  • Direct Relay Control: Control output and sense isolation relays, along with polarity relays. (Ethernet Option Only)
  • Hardware Trigger: Ethernet Option Only 
  • 5 Year Warranty

  • Available in Single or Dual output type
  • Onsite selectable output type (DC current / DC voltage)
  • Accuracy class 0.2 (IEC/ EN 60 688)
  • Seven segment LCD display
  • RS-485(Modbus) communication

The 2558A AC Voltage Current Standard offers users the simple operation and reliability customers have come to trust from Yokogawa.
  • Sweep (Voltage/Current/Frequency)
  • Output Divider
  • Direct Readout of the Deviation
  • Digital Display of Output
  • Common Current Output Terminals
  • High Accuracy
  • High Stability
  • Wide Output Range
  • Wide Frequency Range
The wide output ranges of 1.00 mV to 1200.0 V AC and 1.00 mA to 60.00 A AC mean that the 2558A is the instrument of choice for the cost effective calibration of AC analog meters. Rotary controls and a range of computer interfaces enable the 2558A to be intuitively operated through the frontpanel or controlled by an ATE system.