Range: |
Accuracy (23 + 3°C): |
0.02% fs + 1 count |
Stability : |
Temperature < 20 ppm per degree C change. Long term draft: < 20 ppm draft per year |
Digits & counts: |
4 digits-9999 counts. 5 digits-99999 counts. |
Display : |
0.56” super rate LED |
Input Resistance |
< 1 Megohoms |
Overload : |
1 KV rms for 10 secs, 750V continuous |
Dielectric strength: |
2KVrms / 1 minute, 50 / 60 Hz |
Response Time; |
1 of per sec. typically |
Operating conditions: |
2.5 KV rms, terminals to reference groud (case), 2KV rms for input to power |
Surge test : |
ANSI C37.90 / 1989, IEC 255-3 (1989) |
Impulse voltage: |
1.2 * 50 us 4 kv, oscillation wave 0.5us-100KHz 3KV, or 1 MHz-0.25ms 2.5KV |
Auxilliary Power: |
AC version < 3.5VA, DCoptional version “20% < 5 watts |
Applied rules and standards |
Measuring & conversion: |
IEC 688 |
Dielectric strength: |
IEC 688 |
Impulse & Surge test: |
ANSI C37.90.1/1989IEC 255-3 (1989) |
Measuring reliability: |
VDE 3540 |