ZERA GmbH
Hauptstraße 392
53639 Königswinter
Phone +49 (2223) 704-0
Fax +49 (2223) 704-70
Mail info(at)zera.de
Comparator COM3003 and COM1003
High precision comparator COM 3003 for 3 phase measurement
Available in single phase version COM 1003
error of measurement better than 100ppm (0.01%)
Application
These comparators are common used in metrological institutes but also official test laboratories as primary standard. Power utilities and meters manufactures use this kind of high accurate instruments to perform their traceability to national or international standards.
Features
- High accuracy, independent of measuring mode
- Excellent long-term stability
- Use of DC-capable current transformers
- Recalibration period by PTB (German National Metrology Laboratory) set for 2 years
- RS 232 and IEEE 488 interfaces
- SCPI compatible IEEE 488 interface commands
- Automatic measuring range selection
- Only one current input for the whole measuring range
- Direct traceability of measuring accuracy by connection of DC standard and frequency standard devices
- rear side terminals COM3003
take a look inside
Product Information Downloads
- Comparator COM3003, english v.105
356 kb- Download
- brochure en français, v.100
- 340 kb
- Download
- folleto en español, v.100
- 340 kb
- Download
- Brochure COM1003_3003, russian, v.100
- 671 kb
- Download
some screenshots
- actual values
- error measurement
- harmonics analysis
- vectorial display
