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SIRIUS

® 

TECHNICAL REFERENCE MANUAL 



5.21. HS-LV / HS-LV+ 



The HS-LV modules are perfect for high-speed, high-sample-rate, wide-bandwidth low voltage and 

current measurements in combination with current clamps. 

5.21.1. HS-LVv2 Speciﬁcations 

Inputs 

Input types 

Voltage 

Full bridge strain 

Current (ext. Shunt) 

ADC Type 

16-bit SAR 

Sampling Rate 

Simultaneous 1 MS/sec 

Filtering 

See "HS general speciﬁcations" 

Analogue bandwidth 

1 MHz (800 kHz for ranges ≤0.2 V) 

Voltage ranges 

±100, 50, 20, 10, 5, 2, 1, 0.5, 0.2, 0.1 and 0.05 Volt 

Input Accuracy 

Signal frequency 

Accuracy 

DC 

±0.03 % of reading ±0.02 % of range ±100 μV (2 mV for Ranges ≥10 Volt) 

Up to 1 kHz 

±0.03 % of reading ±0.02 % of range 

Up to 10 kHz 

±0.1 % of reading ±0.05 % of range 

Up to 100 kHz 

±2 % of reading ±0.1 % of range 

Up to 1000 kHz 

±5 % of reading ±0.5 % of range 

Offset accuracy after 

Balance Ampliﬁer 

Range <10 V: ±0.002 % of range ±3 μV; Range ≥10 V: ±0.005 % of range 

Typ. Noise ﬂoor 

Bandwidth/Range → 

100 V 

5 V 

0.5 V 

1 MHz 

-85 dB 

-86 dB 

-78 dB 

100 kHz 

-88 dB 

-87 dB 

10 kHz 

<-100 dB 

-95 dB 

Typical CMR 

Bandwidth/Range → 

100 V 

5 V 

0.5 V 

50 Hz 

70 dB 

88 dB 

102 dB 

400 Hz 

70 dB 

86 dB 

100 dB 

10 kHz 

55 dB 

70 dB 

80 dB 

Gain Drift 

Typical 10 ppm/K, max. 30 ppm/K 

Offset Drift 

Typical 0.3 μV/K + 5 ppm of range/K, max 2 μV/K + 10 ppm of range/K 

Gain Linearity 

<0.02 % 

Inter channel phase 

mismatch 

0.02° * ﬁn [kHz] + 0.1° (5 V Range) 

Channel Cross talk 

Range 

<10 V: -120 dB @ 10 kHz; Range ≥10 V: -95 dB @ 10 kHz 

Input Coupling (see 1) 

DC, AC 1 Hz (3 Hz, 10 Hz per SW) 

Input Impedance 

Range <10 V: 10 MΩ; Range ≥10 V: 1 MΩ || 110 pF between INx to GND 

Max. Common Mode 

Voltage 

Isolated version: ±500 V 



Differential version: Ranges ≥10 Volt: ±100 V; all other Ranges: ±12 V 

Overvoltage Protection 

Range 

<10 V: 100 V (200 V peak for 10 msec); Range ≥10 V: 300 V cont. 

SIRIUS

V20-1 238 / 336  

Brand	DEWESOFT
Model	SIRIUS Series
Category	Data Loggers
Language	English

DEWESOFT SIRIUS Series User Manual

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