2555A 100-Amp Current Calibrator and AC/DC Transconductance Amplifier
$24,550.00
World’s Leading Precision 100-Amp AC/DC Current Standard - For 30 years Valhalla Scientific’s design has proven rock-solid reliability in metrology labs worldwide. The 2555A is a calibration powerhouse with wide-ranging applications and unsurpassed quality.
- Up to 20 Amps/phase direct (self contained shunt 0.1%)
- Precision AC/DC Transconductance Amplifier
- Programmable AC~DC 100Amp Current Calibrator/Current Source
- Calibration Traceable to NIST
- Maximum Output Current: 100A DC or RMS AC
- Highly Accurate
- Ultra-low Noise
- Ultra-Stable
- Excellent Response time
- High CMR
- Load Regulation: Output current Δ < ± .002%
- Dynamic Range: 0 to 100% of range up to maximum rated output (100A max.)
| Range | DC Accuracy | AC Accuracy | ||
| 100Hz | 400Hz | 1000Hz | ||
| 100A | ± 0.03% of range ± 0.03% of output | ± 0.3% of range ± 0.1% of output | ± 0.4% of range ± 0.2% of output | ± 0.6% of range ± 0.3% of output |
| 20A | ± 0.015% of range ± 0.03% of output | ± 0.15% of range ± 0.1% of output | ± 0.2% of range ± 0.2% of output | ± 0.3% of range ± 0.3% of output |
| 2A | ± 0.015% of range ± 0.03% of output | ± 0.15% of range ± 0.1% of output | ± 0.2% of range ± 0.2% of output | ± 0.3% of range ± 0.3% of output |
| 200mA | ± 0.015% of range ± 0.03% of output | ± 0.15% of range ± 0.1% of output | ± 0.2% of range ± 0.2% of output | ± 0.3% of range ± 0.3% of output |
| 20mA | ± 0.015% of range ± 0.03% of output | ± 0.15% of range ± 0.1% of output | ± 0.2% of range ± 0.2% of output | ± 0.3% of range ± 0.3% of output |
| 2mA | ± 0.015% of range ± 0.03% of output | ± 0.15% of range ± 0.1% of output | ± 0.2% of range ± 0.2% of output | ± 0.3% of range ± 0.3% of output |
| Input Impedance: | 100kΩ | Input CMR | 60dB @ DC linearity decreasing to 40dB @ max frequency |
| Compliance Voltage | 7VDC or 7Vac (RMS) to 60A
4VDC or 4Vac (RMS) to 100A |
Temperature Coefficient | ±0.001% of output ±0.002% of rng/double for AC |
| Input/Output Ratio | 00000V input provides full-scale output
(1.0000V input produces 100.00A output) |
Power Requirements | 115VAC/230VAC ±10% at 50 to 60Hz |
| Stability | +0.0005% -15min. (±0.005% for 24Hr) | Operating Temp. Range: | 0°C to 50°C |
| Load Regulation | Output current level changes less than ±0.002% | Storage Temp. Range: | -30°C to 70°C |
| Maximum Input: | 3VDC or 2Vac (RMS) | Humidity | 70% RH max @ 40°C (non-condensing) |
| Maximum Isolation Voltage | ±200VDC or peak AC | Size | 266mm/10.5” L x 432mm/17” W x 584mm/23” D |
| Weight: | 100lbs / 45kg net; |
Maximize Your Instrument’s Performance with Certified-Compatible Cables, Leads, Connectors, & More
Certificate of Calibration Included
An NIST-traceable Z540.3 certificate of calibration is included with every instrument order. Furthermore, enhanced ISO/IEC 17025 certification is available.
