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KRYPTON® 

TECHNICAL REFERENCE MANUAL 



5.9. LV: Low Voltage 

KRYPTON LV modules are rugged isolated DAQ devices for low voltage measurements. 

5.9.1. LV: speciﬁcations 

KRYPTONi-4xLV, 8xLV 

Analog input 

KRYPTONi-4xLV 

KRYPTONi-8xLV 

Input type 

Isolated voltage 

Number of channels 

4 

8 

ADC Type 

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

Sampling Rates 

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

Voltage Range 

±50 V 

Accuracy 

±0.03 % of reading ±5 mV 

Typ. SNR (10 kS/sec, -1 dBFS sine wave @ 1 

kHz) 

104 dB 

Typical noise ﬂoor @ 10 kS/sec 

-106 dB 

Type. THD (10 kS/sec, -1 dBFS sine wave @ 1 

kHz) 

-104 dB 

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

1 kHz) 

105 dB 

Typical CMR @ 400 Hz / 1 kHz 

105 dB / 94 dB 

Gain Drift 

Typical 10 ppm/K, max. 20 ppm/K 

Offset Drift 

Typical 5 μV/K, max. 10 μV/K 

Gain Linearity 

< 0.01 % 

Input Coupling 

DC 

Input Impedance 

1 MΩ 

Noise 

0.7 mVRMS 

Overvoltage Protection 

In+ to In-: 200 V continuous, 350 Vpeak (100 msec) 

Analog input performance 

Bandwidth (-3dB) 

0.49 fs 

Alias-free Bandwidth 

Bandwidth (-3 dB) 

Alias Rejection 

-100 dB (all sample rates) 

Delay Through ADC 

37 / fs 

Oversampling 

32 

Additional Speciﬁcations 

Input Connector 

BNC 

Isolation Voltage 

1000 Vpeak channel/ground & channel/channel 

Environmental Rating (see 1) 

IP67 

Ampliﬁer type 

KRYPTONi-4xLV 

KRYPTONi-8xLV 

Power Consumption 

3.8 W 

6.8 W 

Weight 

700 g 

1000 g 

Slice Dimensions 

213 x 39 x 56 mm 

213 x 54 x 56 mm 

Dimensions with Connectors 

213 x 39 x 66.8 mm 

213 x 54 x 66.8 mm 

1) Depending on the mating connector types 

KRYPTON® V20-1 61 / 141  

Series	Krypton
IP Rating	IP67
Power Supply	9 - 36 V DC
Resolution	24-bit
Communication Interface	Ethernet
Input Type	Analog, Digital, Counter, CAN

DEWESOFT Krypton User Manual

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DEWESOFT Krypton Specifications

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