DEWESOFT Krypton - ACC: Accelerometer; ACC: specifications

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KRYPTON® 

TECHNICAL REFERENCE MANUAL 



5.2. ACC: Accelerometer 

The ACC modules have BNC input connectors and are perfect for sound and vibration IEPE channels. 

5.2.1. ACC: speciﬁcations 

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KRYPTON-4xACC, 8xACC 

Analog inputs 

KRYPTON-4xACC, KRYPTON-8xACC 

Input type 

Voltage, IEPE 

Number of channels 

4 (4xACC), 8 (8xACC) 

ADC Type 

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

Sampling Rate 

Simultaneous 20 kS/sec per channel (software-selectable) 

Voltage Ranges 

±10 V 

±5 V 

±1 V 

±200 mV 

Input Accuracy 

±0.03 % of reading ±0.02 % of range ±0.2 mV 

Typical Dynamic Range @ 10 kS/sec 

-140 dB 

-137 dB 

-138 dB 

-134 dB 

Typical noise ﬂoor @ 10 kS/sec 

-106 dB 

-102 dB 

Type. THD (20 kS/sec, -1 dBFS sine wave @ 1 kHz) 

-94 dB 

-93 dB 

-95 dB 

Type. SFDR (10 kS/sec, -1 dBFS sine wave @ 1 kHz) 

96 dB 

93 dB 

Gain Drift 

TBD 

Offset Drift 

TBD 

Gain Linearity 

TBD 

Input Coupling 

DC, AC 0.1 Hz, 1 Hz 

Input Impedance 

1 MΩ 

Overvoltage Protection 

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

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 

IEPE input 

Excitation 

4 mA, 8 mA 

Compliance voltage 

25 V 

Output Impedance 

>100 kΩ 

Sensor detection 

Shortcut: <4 V; Open: >19 V 

Additional Speciﬁcations 

Input connector 

BNC 

TEDs support 

IEPE mode only 

Environmental rating (see 1) 

IP67 

Ampliﬁer type 

KRYPTON-4xACC 

KRYPTON-8xACC 

Power Consumption 

3 W 

4.6 W 

Weight 

700 g 

1000 g 

Slice Dimensions 

213 x 39 x 56 mm 

213 x 54 x 56 mm 

KRYPTON® V20-1 34 / 141  

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DEWESOFT Krypton - ACC: Accelerometer; ACC: specifications

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