The Valhalla 4600 is a high-accuracy digital voltmeter engineered for direct high-voltage measurements in demanding applications including CRTs, high-voltage power supplies, VGA monitors, transformers, and Hi-Pot testers. It eliminates attenuation and accuracy losses inherent to traditional high-voltage probes, delivering true RMS AC voltage measurement capability to 15 kV RMS with bandwidth extending to 20 kHz for harmonic analysis across non-sinusoidal waveforms.
Technical Specifications
DC Voltage Measurements
• Ranges: 200 mV, 2 V, 20 V, 200 V, 2 kV, 20 kV (optional 30 kV available)
• Maximum input: 20,000 VDC at KVolt jack; 300 VDC at Low Voltage jack
• Accuracy: ±0.05% of reading ±0.025% of range; 0.5 ppm/V on kV ranges
• Input impedance: 1000 MΩ (200 mV, 2 V); 100 MΩ (2 V, 20 V, 2 kV–30 kV); 10 MΩ (20 V, 200 V)
AC Voltage Measurements (True RMS)
• Ranges: 200 mV, 2 V, 20 V, 200 V, 2 kV, 20 kV
• Maximum input: 15 kV RMS (42 kV peak-to-peak); 300 V peak at Low Voltage jack
• Accuracy: ±0.1% of reading +0.1% of range (20 Hz–5 kHz); ±0.5% of reading ±0.5% of range (5 kHz–20 kHz); frequency-dependent specs for 2 kV and 20 kV ranges
• Crest factor: 3:1, not to exceed 150% of range
• Bandwidth: DC to 20 kHz
• Input impedance: Same as DC specifications by range
Display & Resolution
• 4½ digit LED display (20,000 counts)
• Resolution: 0.005% of range (0.033% for optional 30 kV range)
Power & Battery
• Battery-powered isolation with rechargeable pack (6 VDC nominal, 3×2V cells)
• Battery life: 5–6 hours typical use
• Charge time: 12 hours full recharge; charging rule of thumb—twice actual usage time
• Charging: +12 VDC @ 60 mA nominal via rear jack
Environmental
• Operating temperature: 0°C to 50°C
• Humidity: 85% RH (non-condensing)
Physical
• Dimensions: 10″W × 10″D × 3″H (254 mm W × 267 mm D × 83 mm H)
– Key Features
• Direct high-voltage measurement—no external probe attenuation
• True RMS measurement handles chopped, sawtoothed, and non-sinusoidal waveforms
• Low TCR resistive attenuator for stable accuracy across operating range
• Battery-powered isolation for operator safety
• Rechargeable battery pack with integrated charger
– Typical Applications
• CRT testing and characterization
• High-voltage power supply verification
• Monitor (VGA) high-voltage rail measurement
• Transformer voltage testing
• Hi-Pot safety test equipment integration
– Compatibility & Integration
Dual input jacks support both high-voltage (KVolt) and low-voltage measurements, enabling versatile deployment across single-point and multi-range test setups.
