Features
- True power system design complaints
- ANSI-IEEE, IEC, VDE standards
- High accuracy of 0.02%
- Display with super rate LED
- Crystal base guarantee long term stability
Applied rules & standards
- Measuring & conversion : IEC 688
- Dielectric strength : IEC 688
- Impulse & Surge test : ANSIC37.90/1989, IEC 255-3
- Adaptability-power system : IEC 0110
- Measuring reliability : VDE 3540
Model & Ordering
Specification
- Accuracy(23 + 3oC) : 0.02%fs + 1 count
- Stability < 20 ppm per degree C change, long term draft < 20 ppm draft per year
- Digits & count : 4-1/2 digits - 19999 counts.
- Display : 0.56" super rate LED
- Input resistance < 1 M
- Input over : 1KVrms for 10 sec, 750V continuous
- Response time : 1 of per sec typically
- Dielectrically strength : 2.5 KVrms, terminals to reference ground (case), 2 KVrms for input to power
- Surge test : ANSI-c37.90/1989, IEC 255-3 (1989)
- Impulse voltage : 1.2 * 50 us 4KV, oscillation wave 0.5us-100KHz 3KV or 1MHz - 0.25ms 2.5KV
- Operating condition : Temperature range -10 to 55oC, 0-99% RH non-condensed storage -25 to 70oC, 20-99% RH non-condensed
- Auxiliary power : AC + 15% < 3.5 VA
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