NI9236 datasheet(6/10 Pages) NI

Part #	NI9236

Description	8-Channel Strain Gage Modules

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Manufacturer	NI [National Instruments Corporation]

Direct Link	http://www.NI.com

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Accuracy, NI 9236

Measurement Conditions

Percent of Reading

(Gain Error)

2

Percent of Range

(Offset Error)

3 4

30 days after cal. (±5 °C) 1 year after cal. (±5 °C)

Calibrated typ (25 °C, ±5 °C)

0.02%

0.08%

0.14%

Calibrated max (–40 to 70 °C)

0.07%

0.16%

0.39%

Uncalibrated typ (25 °C, ±5 °C)

0.15%

0.79%

Uncalibrated max (–40 to 70 °C) 0.53%

1.67%

Stability, NI 9236

Gain drift

6 ppm/°C

Offset drift

1.7 μV/V/°C

Channel-to-channel matching (calibrated)

Input Signal Frequency (

)

ƒ

in

Gain

Phase

Typical Maximum

Maximum

0 to 1 kHz

0.08%

0.11%

0.34°/kHz · ƒ

in

0 to 4 kHz

0.17%

0.32%

Phase nonlinearity

ƒ

in = 0 to 1 kHz

±0.002°

ƒ

in = 0 to 4 kHz

±0.1°

Input delay

38.2/

+ 11 μs

ƒ

s

Passband

Frequency

0.45 · ƒ

s

Flatness (

= 10 kS/s)

ƒ

s

33 mdB max

Stopband

Frequency

0.55 · ƒ

s

Rejection

100 dB

Alias-free bandwidth

0.45 · ƒ

s

Oversample rate

64 · ƒ

s

Rejection at oversample rate

(

= 10 kS/s)

5 ƒ

s

80 dB @ 640 kHz

Input noise

ƒ

s = 1 kS/s

NI 9235

0.38 μV/V

rms

NI 9236

0.25 μV/V

rms

ƒ

s = 10 kS/s

NI 9235

0.85 μV/V

rms

NI 9236

0.5 μV/V

rms

SFDR (1 kHz, –60 dBFS)

NI 9235

110 dB

NI 9236

115 dB

THD (1 kHz, –20 dBFS)

NI 9235

–90 dB

NI 9236

–95 dB

Crosstalk (

= 1 kHz)

ƒ

in

–100 dB

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NI9236 Datasheet(PDF) 6 Page - National Instruments Corporation

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