SIRIUS® Measurement Modules
5.18 HS-CHG / HS-CHG+
5.18.1 HS-CHG: Specifications
Inputs Voltage, IEPE, Charge, Current (ext. Shunt)
ADC Type
16bit SAR with 100kHz 5
th
order analogue AAF filter or 500KHz bandwidth
(5.2.3 SIRIUS®-HS series: High speed and bandwidth page 49)
Analogue bandwidth 500 kHz (200 kHz for Charge)
Sampling Rate Simultaneous 1 MS/sec
Voltage ranges 7 ranges: ±10, ±5, ±2, ±1, ±0.5, ±0.2, ±0.1 Volt
Input Accuracy
Signal frequency Accuracy
DC ±0.05% of reading ±0.02% of range ±50µV
up to 10kHz ±0.1% of reading ±0.05% of range
up to 100kHz ±2% of reading ±0.1% of range
Typ. SNR
Bandwidth/Range → 10 V 5 V 1 V 0.1 V
1 Mhz 88 dB 87 dB 85 dB 68 dB
100 kHz 89 dB 89 dB 88 dB 83 dB
10 kHz > 100 dB > 100 dB > 100 dB 92 dB
Typ. CMR @ 50Hz/1kHz >140/120dB >140/124dB >140/126dB >140/126dB
Gain Drift Typical 10 ppm/K, max. 30 ppm/K
Offset Drift Typical 0.5 μV/K + 10 ppm of range/K, max 3 μV/K + 20 ppm of range/K
Gain Linearity <0.02%
Inter Channel Phase-mismatch 0.02° * f
in
[kHz] + 0.1°
Channel Cross talk 110 dB @ 1kHz; 90 dB @ 10kHz
Input Coupling DC or AC (0.1 Hz, 1 Hz, 10 Hz or 100 Hz)
Input Impedance 1 MΩ / 100pF
Overvoltage Protection 50 V continuous; 200V peak (10msec)
Digital low pass filter
Filter Characteristic Butterworth, Bessel or Chebyshev
Filter Order 2
nd
, 4
th
, or 8
th
Ratio Sample rate to Filter Freq. From 2 to 100
Topology Cascaded IIR Filter (up to 4 sections)
IEPE mode
Excitation 4 or 8mA
Compliance voltage 25 Volt
Output Impedance >100 kΩ
Sensor detection Shortut: <4Volt; Open: > 19Volt
Charge ranges 7 ranges: ±100 000, 50 000, 20 000, 10 000, 5000, 2000, 1000 pC
Input Accuracy ±0.5% of reading ±0.05% of range ±2 pC
Input Coupling 0.01 Hz, 0.03 Hz, 0.1 Hz, 0.5 Hz, 1 Hz, 10 Hz or 100 Hz
Counters (only on CHG+ type) 1 counter/3 digital input, fully synchronised with analogue data
Counter Modes counting, waveform timing, encoder, tacho, gear-tooth sensor
Input Level Compatibility CMOS, LVTTL
Input Protection ±25Volt continuous
Alarm output Open collector, max. 100mA/30Volt
Sensor supply 5V/100mA; 12V/50mA
Additional Specifications
Input connector BNC (others on request)
TEDS support IEPE mode only
Table 28: SIRIUS-HS-CHG specifications
Doc-Version: 1.4.2 www.dewesoft.com Page 111/166
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