Cryogenic Charge Accelerometer Model 2271A | AM20

Dynamic characteristcs

Charge sensitivity Typical:

11.5 pC/g

Charge sensitivity Minimum:

10.0 pC/g

Frequency response

Resonance frequency, typical:

27 kHz

Amplitude response (±5 %):

2 to 4000 Hz

Amplitude response (±1 dB):

1 to 8000 Hz

Transverse sensitivity:

≤3 %

Amplitude linearity, per 1000g, 0 to 10 000 g:

1/500 g

Electrical characteristics

Output polarity:

Acceleration directed into base of unit produces positive output

Resistance:

≥ 10 gΩ

Resistance at +260°C:

≥ 100 MΩ

Isolation:

1 GΩ

Capacitance:

2000 pF

Grounding:

Signal return isolated from case

Environmental characteristics

Temperature range:

-269°C to +260°C

Sinusoidal vibration limit:

1000 g pk

Shock limit:

10000 g pk

Base strain sensitivity:

0.0003 equiv. G pk/μ strain

Physical characteristics

Weight:

27 gm

Case material:

Stainless steel

Connector:

2271A side-connector – 10-32 UNF-2A

2271AM20 top-connector – 10-32 UNF-2A