美国DT 3274A1 超小型加速度传感器

The Dytran model 3274A1 is an ultra miniature high frequency IEPE accelerometer with IEEE 1451.4 TEDS capabilities.

Units h*e an overall height of just 0.24-inches (6.1-millimeters), weigh just 2 grams, and are ideal for the measureme*f shock and vibration of very *all, lightweight objects such as printed circuit boa* and board mounted components.

Offered with a sensitivity of 5 mV/g, the model 3274A1 features a quartz shear sensing element, packaged in a lightweight, teardrop titanium housing. Designed for adhesive mount, the Dytran model 3274A1 has an upper frequency resp*e of 10,000 Hz. Due to their low mass and high crystal stiffness, units h*e a resonant frequency of >40 kHz, allowing them to be used to measure high frequency vibration with very little error.

The model 3274A1 utilizes a specially designed 3-56 coaxial connector, mating with a 3-foot (0.9-meter) replaceable coaxial cable and terminating to a 10-32 jack. Units are hermetically sealed for reliable operation in high humidity environments, as well a*ase isolated to *oid EMI/ground loop interference.

特性

5 mV/g sensitivity

1,000g range

1.1 to 10,000 Hz (±10%)

3-foot (0.9-meter) removable cable

Adhesive mount

2 grams

Titanium

Hermetic

Case isolated

Ultra miniature teardrop design

IEEE 1451.4 TEDS capabilities

IEPE

应用

Environmental Stress Screening (ESS)

Modal analysis

Product resp*e testing

High frequency vibration applicati*

参数

Weight, Max (Less Cable) 0.07 oz 2 grams [

Connector Radially Mounted 3-56 3-56

Cable Length 36 Inches 914 mm

Case Material Titanium Titanium

Sensitivity, ± 10% [3] 5 mV/g 0.51 mV/m/s2

Range F.S For ± 5 Volts Out ± 1000 g's ± 9810 m/s2

Frequency Resp*e, +/- 10% 1.1 to 10000 Hz 1.1 to 10000 Hz

Mounted Resonant Frequency > 40 kHz > 40 kHz

Amplitude Non-Linearity [4] 2 %F.S 2 %F.S

Transverse Sensitivity, Max 5 % 5 %

y, Noise Resolution 0.014 grms 0.14 m/s2 rms

Strain Sensitivity @250/με 0.04 g/με 0.39 m/s2/με

ENVIRONMENTAL

Maximum Vibration 2000 Grms 19600 m/s2 rms

Maximum Shock 5000 Gpeak 49000 m/s2 peak

Temperature Range -60 to +250 °F -51 to +121 °C

Environmental Seal Hermetic Hermetic

ELECTRICAL

Supply Current/Compliance Voltage Range [5] 2 to 20/+18 to +30 m*olts 2 to 20/+18 to +30 m*olts

Output Impedance, TYP 100 Ω 100 Ω

Bias Voltage +7 to + 9 VDC +7 to + 9 VDC

Discharge Time C*tant 0.3 to 0.8 Sec 0.3 to 0.8 Sec

Teds Feature IEEE 14514 IEEE 14514

Case Isolation 10 GΩ 10 GΩ