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Valhalla Scientific

Valhalla 2555A Current Calibrator & AC/DC Transconductance Amplifier

The Valhalla 2555A Current Calibrator & AC/DC Transconductance Amplifier is a user-friendly test system with a maximum output current of 100 A DC or RMS AC. This model has an input impedance of 100 kΩ, a maximum input of 3 VDC or 2 VAC (RMS), and a maximum isolation voltage of ±200 VDC or peak AC. With quick response times and innovative technology, the Valhalla 2555A is trusted by both industrial manufacturers and military branches.

Product Info
Model 2555A
Maximum Output Current 100 A DC or RMS AC
Input Impedance 100 kΩ
Maximum Input 3 VDC or 2 VAC (RMS)
Maximum Isolation Voltage ±200 VDC or peak AC
Response Time 1 msec to ±0.01% of final value following input amplitude or frequency change
Operating Temperature Range 0°C to 50°C (32°F to 122°F) 
Storage Temperature Range -30°C to 70°C (-22°F to 158°F) 
Dimensions (L x W x H) 10.5 x 17 x 23 in (27 x 44 x 59 cm)
Weight  100 lb. (45 kg)
  • Precision AC/DC transconductance amplifier
  • Programmable AC/DC 100 A current source
  • Maximum output current of 100 A DC or RMS AC
  • Highly accurate
  • Ultra-low noise
  • Ultra-stable
  • Excellent response time


SKU: VALH-2555A