2553A Precision DC Standard
Simple standalone solution for calibrating meters, controllers and sensor transformers with High Accuracy- DC Voltage: ±75 ppm, DC Current: ±120 ppm, High stability: ±15 ppm/h and Low Noise: 2 μVrms 1.00 mV
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- Intuitive operation
Dials and switches are provided for each digit and function, and traditional 7-segment LEDs provide clear visibility
- High resolution – 5.5 digits ±120000 count output resolution
Voltage: ±75 ppm* for voltage (one year)
Current: ±120 ppm for current (one year)
- Temperature calibration – 10 types of thermocouples including K, T, E, and J types
- User defined thermocouple and RTD calibration - Generates various types of thermocouple and RTD by extrapolating the relation between voltage and temperature
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- Calibrate and test analog meters
- Calibrate and test temperature controllers
- Calibrate and test sensor transformers
- Simulates two wire transmitters
- RJC at output terminals
Precision DC Cailibrator Model 2553A is powered by Yokogawa’s highly accurate and precise voltage and current generation technology, capable of generating up to +/- 32 V DC and +/-120 mADC with high reliability and high stability. In addition to calibrating voltage and current meters, the 2553A is also capable of calibrating temperature meters and controllers which measure temperature by thermocouple or Resistance Temperature Detector (RTD). Output value is adjustable intuitively by dials for each digit.
The 2553A can calibrate and test analog meters up to ±32 V voltage and ±120 mA current. The strong click from the dial enables easy adjustment of output value without actually looking at the front panel of 2553A. The 2553A can calibrate and test temperature controllers and data loggers using thermocouple and RTD. It provides 10 types thermocouple regulated in IEC. By setting temperature value, it generates thermocouple electromotive power and calibrates temperature controllers. It covers various temperature controllers, since it generates higher accuracy voltage than previous model. 2553A supports widely used Pt100. By setting temperature value, it generates temperature related resistance value. Settings can be done by not only temperature but also resistance value, making it possible to calibrate using resistance value.
Since the 2553A has “Internal RJC mode” which the reference point is output terminals of 2553A, it is possible to connect the objective measurement instruments by thermocouple without an external reference junction. In “External RJC mode”, your choice of Pt100 can be used with versatile terminal for external sensor. It also has “Manual RJC mode” which enables you to set by entering reference value.