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SIRIUS
®
TECHNICAL REFERENCE MANUAL
5.9. CHG / CHG+
The CHG modules are perfect for charge measurements anl also sound and vibration IEPE channels.
5.9.1. CHG: Specifications
24-bit delta-sigma dual core with anti-aliasing filter
Simultaneous 200 kS/sec
Ranges (Dual Core Low Range)
Input Accuracy (Dual Core)
±0.05 % of reading ±5 (0.5) mV
±0.05 % of reading ±0.5 mV
Typ. Dynamic Range @ 10kS (Dual Core)
Typ. Noise floor @ 50 kS (Dual Core)
Typ. CMR @ 50 Hz / 1 kHz
Typical 10 ppm/K, max. 30 ppm/K
Typical 1 μV/K + 5 ppm of range/K, max 5 μV/K + 10 ppm of range/K
Inter Channel Phase-mismatch
0.02° * fin [kHz] + 0.1° (@ 200 kS/sec)
-180 dB @ 50 Hz; -160 dB @ 1 kHz
DC, AC (0.1 Hz, 1 Hz, 10 Hz or 100 Hz)
1 MΩ in parallel with 100 pF
In+ to In-: 50 V continuous; 200 V peak (10 msec)
Shortcut: <4 Volt; Open: >19 Volt
Charge ranges (Low Range)
Input accuracy (HPF 0.1 Hz)
±0.5 % of reading ±20 pC
±0.5 % of reading ±5 pC
Dynamic Range @ 10 kS (Dual Core)
SNR @ 50 kS (Dual Core)
0.01 Hz, 0.03 Hz, 0.1 Hz, 0.5 Hz, 1 Hz, 10 Hz or 100 Hz
1 Vrms, 20 Hz, 0.5 % accuracy
Counters (only in CHG+ type)
1 digital counter input
3 digital inputs
Fully synchronised with analog data
counting, waveform timing, encoder, tacho, gear-tooth sensor
General counter specifications
See "SIRIUS counter specifications"
Additional specifications
BNC or TNC (others on request)
SIRIUS
®
V20-1 152 / 336
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