DEWESOFT Krypton - STG: Strain Gauge; STG: specifications

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KRYPTON® 

TECHNICAL REFERENCE MANUAL 



5.11. STG: Strain Gauge 

KRYPTON STG modules have universal differential voltage and Full / Half / Quarter bridge input. STG                

modules are available in 1, 3 and 6 channel conﬁgurations and are compatible with DSI adapters. 

5.11.1. STG: speciﬁcations 



KRYPTON-3xSTG, 6xSTG 

Analog inputs 

KRYPTON-3xSTG 

KRYPTON-6xSTG 

Input type 

Voltage 

Full / half / quarter strain 

Number of channels 

3 

6 

ADC Type 

24-bit oversampled SAR with 41 kHz anti-aliasing ﬁlter 

Sampling Rate 

Simultaneous 20k, 10k, 5k, 2k, 1k, 500, 200, 100 S/sec (software-selectable) 

Voltage Ranges 

±10 V 

±1 V 

±100 mV 

±10 mV 

Input Accuracy 

±0.03 % of reading, ±0.02 % of range, ±0.1 mV 

Typical Dynamic Range @ 10 kS/sec 

-139 dB 

-129 dB 

-110 dB 

Typical Noise Floor @ 10 kS/sec 

-106 dB 

-105dB 

-97 dB 

-78 dB 

Typical CMR @ 400 Hz / 1 kHz 

86 dB / 84 dB 

96 dB / 95 dB 

112 dB / 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 % 

Input Coupling 

DC 

Input Impedance 

10 MΩ 

Overvoltage Protection 

In+ to In-: 50 V continuous, 200 V peak (10 ms) 

Analog input performance 

Bandwidth (-3 dB) 

0.49 fs 

Alias-free Bandwidth 

DC to 0.453 fs 

Alias Rejection 

-100 dB (all sample rates) 

Delay Through ADC 

37 / fs 

Oversampling 

32 

Excitation Voltage 

Excitation voltage 

Free programmable (16-bit DAC) 

Predeﬁned Levels 

0, 1, 2.5, 5, 10 and 15 VDC 

Accuracy 

±0.05 % ±2 mV 

Drift 

±50 ppm/K ±100 μV/K 

Stability 10 % to 90 % Load 

< 0.01 % 

Current Limit 

45 mA (400 mW max. Power) 

Protection 

Continuous short to ground 

Bridge Connection Types 

full bridge strain, ½ bridge strain, ¼ bridge strain (3 wire) 

Ranges 

2…1000 mV/V free programmable 

Internal Bridge Completion 

½ bridge and ¼ bridge 120 and 350 Ω 

Bridge Completion Accuracy 

0.05 %; TCR: 2 ppm/K (others on request) 

KRYPTON® V20-1 70 / 141  

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DEWESOFT Krypton - STG: Strain Gauge; STG: specifications

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