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在工業(yè)自動(dòng)控制、汽車、地震測(cè)量、軍事和空間系統(tǒng)等領(lǐng)域中的許多場(chǎng)合都是用沖擊加速度傳感器，由于受工作環(huán)境的限制，要求沖擊加速度傳感器應(yīng)具有高的諧振頻率，動(dòng)態(tài)性能要好，以保證快速、準(zhǔn)確測(cè)試出被測(cè)對(duì)象的沖擊力或沖擊加速度。
沖擊加速度傳感器，采用MEMS技術(shù)與微電子技術(shù)成果研制而成,集加速度傳感器、信號(hào)變換器、電源變換器、信號(hào)濾波電路、飽和控制與溫度補(bǔ)償于一體,具有微體積、微功耗、微噪聲、高集成、高穩(wěn)定、高可靠、低溫漂、環(huán)境適應(yīng)性強(qiáng)等特點(diǎn)。美國(guó)Dytran的3086A1是一款I(lǐng)EPE沖擊型加速度傳感器，適用于量程達(dá)70000g 以上的沖擊加速度參數(shù)測(cè)量與控制。
The Dytran 3086A1 is a highly rugged IEPE accelerometer with a very high natural frequency of 100 kHz, designed to measure severe shocks and other extreme short duration events. High shock measurement requirements are typically characterized as such above 2,500g's. In order to accurately measure shock levels of this magnitude, accelerometers must have a high natural frequency, rugged construction and be fairly compact in size.
Available with a 70,000g range, the Dytran 3086A1 features a quartz crystal sensing element, operating in compression mode, housed in a hermetically sealed lightweight titanium housing, for a total weight of just 3.5 grams. Units are electrically base isolated and feature a 1/4-28 mounting stud and axial mounted solder pins for cable connection. This particular connector style aims in eliminating discontinuities during high g events and reduces connector stresses. The unique mounting configuration of the Dytran model 3086A1 allows for use of a field replaceable cable assembly (sold separately).
特性
1. 0.05 mV/g sensitivity
2. 70,000g range
3. 0.35 to 10,000 Hz frequency range (±10%)
4. Axial mounted solder pins
5. 1/4-28 stud mount
6. 3.5 grams
7. Titanium
8. Hermetic
9. Base isolated
10. Lightweight
11. High natural frequency of 100 kHz
12. IEPE
應(yīng)用
1. Drop testing
航空墜落試驗(yàn)
2. Far field blast testing
遠(yuǎn)場(chǎng)爆炸試驗(yàn)
3. Pyrotechnic testing
爆破試驗(yàn)
4. Shock testing
沖擊力試驗(yàn)
SPECIFICATION VALUE UNITS
DISCHARGE TIME CONSTANT .8 to 2.0 SECOND
LOW FREQUENCY -3db POINT, NOM. .16 Hz
LOW FREQUENCY -5% POINT .50 Hz
FREQUENCY RESPONSE, ±10% .35 to 10000 Hz
LINEARITY [2] ±1 % F.S.
TRANSVERSE SENSITIVITY, MAXIMUM 3.0 %
OUTPUT IMPEDANCE, NOM. 100 OHMS
OUTPUT VOLTAGE BIAS +7.5 to +9.5 VDC
SUPPLY CURRENT RANGE [3] 2 to 20 mA
COMPLIANCE (SUPPLY) VOLTAGE RANGE [4] +18 to +20 VDC
OPERATING TEMPERATURE RANGE -60 to +250 °F
SIZE (HEX x HEIGHT) [4] 3/8 x .64 INCHES
WEIGHT 3.5 GRAMS
CONNECTOR, TOP MOUNTED SOLDER PINS
MATERIAL, HOUSING/CONNECTOR TITANIUM ALLOY
MOUNTING PROVISION, 3086A/3086AT 1/4-28 INTEGRAL STUD/10-32 MOUNTING STUD
ENVIRONMENTAL SEAL HERMETIC
ISOLATION, CASE TO MOUNTING SURFACE, MIN 10 M?
RECOMMENDED CABLE: DYTRAN PART NO. 128-6869AXX (XX DENOTES LENGTH IN FEET)
配件
Recommended Accessories: model 4110C current source power unit
Compatible Cables: 6869A
訂貨型號(hào)
MODEL RANGE F.S. MAXIMUM SENSITIVITY ELECTRICAL NATURAL CUP
SHOCK (NOM)[1] NOISE FREQUENCY RESONANCE
(g) (g) (mV/g) (g) (kHz) (kHz)
3086A1 70,000 100,000 0.05 1.40 100 45
3086A2 50,000 100,000 0.1 0.7 100 45
3086A3 20,000 100,000 0.25 0.28 100 45
3086A4 10,000 50,000 0.5 0.14 100 45
3086A5 5000 50,000 1.0 0.07 100 45
3086A6 2500 50,000 2.0 0.035 100 45
3086A1T 70,000 100,000 0.05 1.40 100 45
3086A2T 50,000 100,000 0.1 0.7 100 45
3086A3T 20,000 100,000 0.25 0.28 100 45
3086A4T 10,000 50,000 0.5 0.14 100 45
3086A5T 5000 50,000 1.0 0.07 100 45
3086A6T 2500 50,000 2.0 0.035 100 45
相關(guān)型號(hào)
3200B
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