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SIRIUS

® 

TECHNICAL REFERENCE MANUAL 



Excitation Voltage 

Free programmable (16-bit DAC) 

Predeﬁned levels 

0, 1, 2.5, 5, 10, 15 and 20 VDC 

Accuracy 

±0.05 % ±2 mV 

Drift 

±10 ppm/K ±100 μV/K 

Load stability 0 % to 100 % 

load 

<0.01 % 

Line regulation over 20 Ω of 

change 

<0.005 % @ 120 Ω load 

Noise @ 10 Volt / 350 Ω 

< 200 μVrms @ 10 kHz BW 

Sense Impedance to Exc / 

to GND 

100 kΩ / 100 MΩ 

Current limit 

100 mA (max. 800 mW) 

Protection 

Continuous short to ground 

Input short, Sensor offset 

adjust 

Software selectable 

Excitation Current 

Free programmable (16-bit DAC) 

Predeﬁned levels 

0.1, 1, 2, 5, 10, 20 and 60 mADC 

Accuracy (>10 mA) 

0.1 % ±2 μA [0.5 % ±50 μA] 

Drift (>10 mA) 

15 ppm/K [100 ppm/K] 

Compliance voltage 

20 Volt, max. 300 mW 

Output Impedance 

>1 MΩ 

Bridge Connection Types 

Bridge types 

Full / Half / Quarter bridge (3-wire or 4-wire) 

Ranges 

2 mV/V…1000 mV/V free programmable 

Internal Bridge Completion 

½ bridge and ¼ bridge 120 Ω and 350 Ω 

Bridge Completion 

Accuracy 

0.05 %; TCR: 5 ppm/K (others on request) 

Internal Shunt Resistor 

59.88 kΩ and 175 kΩ, bipolar (to +Exc and -Exc) 

Typ. Shunt Resistor 

Accuracy 

0.05 %; TCR: 10 ppm/K (others on request) 

Sensor Balance Range 

220 % of Range (70 % for input Range ≥5 Volt) 

Input Short, Sensor Offset 

Adjust 

Software selectable 

Counters (only on HS STG+) 

Inputs 

1 digital counter input 

3 digital inputs 

Fully synchronised with analog data 

Counter modes 

counting, waveform timing, encoder, tacho, gear-tooth sensor 

General Counter 

Speciﬁcations 

See "SIRIUS counter speciﬁcation" 

Additional Speciﬁcations 

Input connector 

DSUB-9 (others on request) 

TEDS support 

Standard + DSI® adapters 

1) In- must be within ±10 V referred to GND (iso); for Ranges ≥10 V the DC value of In- is not rejected 

SIRIUS

V20-1 246 / 336  

Brand	DEWESOFT
Model	SIRIUS-SBOXe
Category	Data Loggers
Language	English

DEWESOFT SIRIUS-SBOXe User Manual

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DEWESOFT SIRIUS-SBOXe Specifications

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