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SIRIUS

® 

TECHNICAL REFERENCE MANUAL 



5.12. MULTI 



The MULTI modules are perfect for multi-purpose analog in/out and digital/counters. 

5.12.1. MULTI: Speciﬁcations 

Inputs 

Input types 

Voltage 

Full / Half / Quarter bridge strain (120 Ω and 350 Ω) 

ADC Type 

24-bit delta-sigma dual core with anti-aliasing ﬁlter 

Sampling Rate 

Simultaneous 200 kS/sec 

Dual Core Ranges (Low 

range) 

±10 V (±500 mV) 

±1 V (50 mV) 

±100 mV (±5 mV) 

±50 mV (±2.5 mV) 

Gain accuracy 

±0.05 % of reading 

Offset accuracy (Dual 

Core) 

±10 (5) mV 

±1 (0.5) mV 

±0.2 (0.2) mV 

Offset accuracy after 

Balance Ampliﬁer 

0.2 mV 

0.02 mV 

Typ. Dynamic Range @ 

10 kS (Dual Core) 

-137 dB (-152 dB) 

-137 dB (-147 dB) 

-135 dB (-137 dB) 

-133 dB (-133 dB) 

Typ. Noise ﬂoor @ 10 kS 

(Dual Core) 

-105 dB (-121 dB) 

-104 dB (-111 dB) 

-100 dB (-101 dB) 

-95 dB (-95 dB) 

Typ. CMR @ 400 Hz / 1 

kHz 

86 / 84 dB 

96 / 95 dB 

112 / 102 dB 

Gain Drift 

Typical 10 ppm/K, max. 40 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° (@ 200 kS/sec) 

Channel Crosstalk 

-120 dB @ 10 kHz 

Input Coupling 

DC 

Input Impedance 

10 MΩ 

Max. Common Mode 

Voltage 

Isolated version: ±500 V 

Differential version: ±12 V 

Overvoltage Protection 

In+ to In-: 50 V continuous; 200 V peak (10 msec) 

Excitation Voltage 

Free programmable (16-bit DAC) 

Predeﬁned levels 

0, 1, 2.5, 5, 10 and 12 VDC 

Accuracy 

±0.1 % ±10 mV 

Drift 

±50 ppm/K ±100 μV/K 

Load stability 

0 % to 100 % load <0.01 % 

Current limit 

45 mA (max. 400 mW) 

Protection 

Continuous short to ground 

Additional Fixed 

Excitations 

DSUB-15: 12 V (max. 50 mA); 5 V (max. 100 mA) Accuracy 5 % 

16-pin LEMO-2B: +/- 14.5 V (max. 50 mA); 5 V (max. 100 mA) Accuracy 5 % 

Bridge Connection Types 

Bridge Types 

Full / Half / Quarter bridge (3-wire) 

SIRIUS

V20-1 165 / 336  

Brand	DEWESOFT
Model	SIRIUS-SBOXe
Category	Data Loggers
Language	English

DEWESOFT SIRIUS-SBOXe User Manual

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