Acelerómetros de modo de carga de alta temperatura

Os acelerómetros de saída em modo carga da PCB® utilizam elementos sensores piezo-cerâmicos que emitem um sinal de carga eletrostática proporcional à aceleração aplicada. Estes sensores podem operar a temperaturas extremamente elevadas, uma vez que não contêm a eletrónica de condicionamento de sinal incorporada que limita a gama de temperaturas dos acelerómetros ICP®. Os sensores de modo de carga são utilizados em ensaios de turbinas a gás e a vapor, motores a jato, motores de alta potência, sistemas de escape e motores de automóveis, onde as temperaturas podem variar entre 500° F (260° C) e 1200° F (649° C).

É necessário um condicionamento de sinal externo para ligar os sinais de medição do modo de carga aos instrumentos de leitura ou registo. Os sinais de saída de carga podem ser condicionados com um amplificador de carga de estilo laboratorial ou com um conversor de carga fixo em linha. Cada um destes produtos converte a saída de carga num sinal de tensão de baixa impedância.

É importante notar que a resolução da medição e a resposta a baixas frequências para sistemas de deteção do modo de carga dependem das caraterísticas do nível de ruído e da constante de tempo de descarga dos dispositivos de condicionamento do sinal e de leitura utilizados.

Aplicações


  • Medições de vibração a alta temperatura
  • Estudos do compartimento do motor
  • Ensaios de vibração de componentes de escape
  • Ensaios de turbinas a vapor
  • Análise de vibração de motores
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Model:357A63

  • Sensitivity: (±10%).53 pC/g
  • Measurement Range: ±5000 g pk
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  • Weight: .31 oz
$1916,00 USD
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Model:357A64

  • Sensitivity: (±10%)1.15 pC/g
  • Measurement Range: ±1000 g pk
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  • Cable Termination: 10-32 Coaxial Jack
  • Weight: (without cable).54 oz
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Model:357M168

  • Sensitivity: (±10%)1.15 pC/g
  • Measurement Range: ±1000 g pk
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  • Cable Termination: 10-32 Coaxial Jack
  • Weight: (without cable).35 oz
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Model:357B06

  • Sensitivity: (±20%)5 pC/g
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  • Weight: 0.08 oz
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Model:357B03

  • Sensitivity: (±15%)10 pC/g
  • Measurement Range: ±2000 g pk
  • Frequency Range: (+5%)9000 Hz
  • Weight: 0.39 oz
$404,00 USD
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Model:357B53

  • Sensitivity: (±15%)100 pC/g
  • Measurement Range: ±150 g pk
  • Frequency Range: (+5%)3000 Hz
  • Weight: 1.80 oz
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Model:357B61

  • Sensitivity: (±10%)10 pC/g
  • Measurement Range: ±1000 g pk
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  • Weight: 1.1 oz
$2042,00 USD
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Model:357B69

  • Sensitivity: (±20%)3.5 pC/g
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Model:357C73

  • Sensitivity: (±20%)100 pC/g
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  • Weight: 4.0 oz
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Model:357A100

  • Sensitivity: (±5%)5.0 pC/g
  • Measurement Range: ±200 g pk
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  • Weight: 2.32 oz
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Model:EX356A73

  • Sensitivity: (±10%)3.1 pC/g
  • Measurement Range: 500 g pk
  • Frequency Range: (+/-5%)4 kHz
  • Temperature Range: -67 to 900 °F
  • Electrical Connector: 10-32 Coaxial Jack
$5747,00 USD
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Model:EX357A94

  • Sensitivity: (±10%)3.3 pC/g
  • Measurement Range: ±1000 g pk
  • Frequency Range: (±5%)3 kHz
  • Cable Termination: 7/16-27 2-Pin
  • Weight: (without cable)1.6 oz
$3440,00 USD
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Model:EX357A95

  • Sensitivity: (±10%)3.3 pC/g
  • Measurement Range: ±1000 g pk
  • Frequency Range: (±5%)3 kHz
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  • Weight: (without cable)1.6 oz
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Model:EX357E90

  • Sensitivity: (±10%)5 pC/g
  • Measurement Range: ±1000 g pk
  • Frequency Range: (±5%)3 kHz
  • Cable Termination: 10-32 Coaxial Jack
  • Weight: (without cable)1.8 oz
$3640,00 USD
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Model:EX357E91

  • Sensitivity: (±10%)5 pC/g
  • Measurement Range: ±1000 g pk
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  • Weight: (without cable)1.8 oz
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Model:EX357E92

  • Sensitivity: (±10%)2.3 pC/g
  • Measurement Range: ±1000 g pk
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  • Weight: (without cable)1.6 oz
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Model:EX357E93

  • Sensitivity: (±10%)2.3 pC/g
  • Measurement Range: ±1000 g pk
  • Frequency Range: (±5%)3 kHz
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  • Weight: (without cable)1.6 oz
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Model:340A50

  • Sensitivity: (±30%)2.7 pC/g
  • Measurement Range: ±1000 g pk
  • Frequency Range: (+5%)8 kHz
  • Temperature Range: -94 to +500 °F
  • Electrical Connector: M3 Coaxial Jack
$1358,00 USD
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Model:357A67

  • Sensitivity: (±15%)3.0 pC/g
  • Measurement Range: ±1000 g pk
  • Frequency Range: (x or y axis)(±10%)1 to 10000 Hz
  • Temperature Range: -76 to +392 °F
  • Electrical Connector: 1/4-28 4-Pin
$1600,00 USD
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Model:356A70

  • Sensitivity: (±30%)2.7 pC/g
  • Measurement Range: ±500 g pk
  • Frequency Range: (+5%)5 kHz
  • Temperature Range: -95 to +490 °F
  • Electrical Connector: 5-44 Coaxial
$1195,00 USD
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Model:356A71

  • Sensitivity: (±30%)10 pC/g
  • Measurement Range: ±500 g pk
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  • Temperature Range: -95 to +490 °F
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$1417,00 USD
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