Valhalla Scientific 2555A AC/DC Current Calibrator
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Valhalla Scientific 2555A is a precision AC/DC current calibrator delivering up to 100 A with ±0.002% load regulation, ultra-low noise, and NIST-traceable calibration.
Product details
| Model | 2555A |
| Manufacturer | Valhalla Scientific |
| Category | Electrical Calibrators |
| Availability | Made to order |
Description
Overview
The Valhalla Scientific 2555A is a precision AC/DC current calibrator renowned for its reliability and accuracy. Designed for demanding applications, it provides programmable current sources up to 100 A with NIST-traceable calibration. The 2555A utilizes Valhalla's proprietary internal shunt design with ultra-low temperature coefficient, ensuring constant AC or DC current output even under varying load conditions.
Key Features
- Maximum output current: 100 A DC or RMS AC
- Direct 20 A/phase output with self-contained 0.1% shunt
- Load regulation: ±0.002% for exceptional stability
- 400 watts output compliance capability for driving heavy burden loads
- Programmable AC/DC transconductance amplifier
- Ultra-low noise and ultra-stable output
- Exceptional response time for dynamic testing
- Compliance voltage monitoring with LED indicators (green, yellow, red)
- NIST-traceable calibration
- Low temperature coefficient (2 ppm/°C) internal shunt design
Applications
- Calibration of clamp-on ammeters
- Testing and calibration of current transformers
- Current sensor and magnetic field-based device calibration
- Verification of current measurement instruments
- High-accuracy current sourcing for laboratory and industrial testing
Specifications
| Maximum Output Current | 100 A DC or RMS AC |
| Direct Output | Up to 20 A/phase with 0.1% shunt |
| Load Regulation | ±0.002% |
| Output Compliance Capability | 400 watts (7 V at 55 A) |
| Temperature Coefficient | 2 ppm/°C |
| Type | Programmable AC/DC Transconductance Amplifier |
| Calibration | NIST-traceable |
| Common Mode Rejection | High |
| Output Characteristics | Ultra-low noise, ultra-stable, excellent response time |
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Valhalla Scientific 2555A AC/DC Current Calibrator
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