TD1855 Multifunction Calibrator
TD1855 Multifunction Calibrator

TD1855 Multifunction Calibrator

The TD1855 is a high-performance multifunction calibrator that integrates AC/DC voltage sources, AC/DC current sources, and precision DC resistance output. Designed with a high accuracy class of 0.05, it is ideal for calibrating 3.5-digit multimeters, voltmeters, ammeters, ohmmeters, and power meters. Its stable output, reliable performance, and wide measurement range make the TD1855 a trusted tool for laboratory calibration, industrial maintenance, and field testing applications.

Specifications of TD1855 Multifunction Calibrator

Range Resolution Stability (%/min) Uncertainty (k=2) (ppm*RD + ppm*RG) Max Burden (mA) Ripple Factor (%)
200 mV 1 μV 0.01 300 + 200 300 <0.5
2 V 10 μV 0.01 300 + 200 500 <0.5
10 V 100 μV 0.01 300 + 200 500 <0.5
30 V 100 μV 0.01 300 + 200 800 <0.5
100 V 1 mV 0.01 300 + 200 300 <0.5
300 V 1 mV 0.01 300 + 200 100 <0.5
600 V 1 mV 0.01 300 + 200 50 <0.5
1000 V 10 mV 0.01 300 + 200 30 <0.5

Key Features

  • High-accuracy multifunction calibrator with 0.05 accuracy class
  • Integrated AC/DC voltage, AC/DC current, and precision resistance source
  • Ideal for calibrating 3.5-digit multimeters and standard electrical instruments
  • Excellent output stability with low ripple factor (<0.5%)
  • Wide measurement range up to 1000 V
  • Supports calibration of voltmeters, ammeters, ohmmeters, and power meters
  • Reliable performance suitable for labs, workshops, and industrial environments
  • Consistent accuracy with ppm-level uncertainty specifications
  • Compact and efficient for both bench and field calibration applications