330450 高溫加速度計
330450 高溫加速系統 (HTAS) 將傳感元件與信號調節電子設備隔離開來,兩者通過硬線電纜永久連接。
產品特點:
1、耐高溫
傳感頭可以安裝在溫度高達 400°C (752°F) 的表面上,信號調理電子元件安裝在較冷的位置。
2、靈敏度
100 毫伏/克 ±5%。
3、頻率范圍
15 Hz 至 10 kHz ±3 dB 和 40 Hz 至 4 kHz ±5%。
Overview:
The 330450 High Temperature Acceleration System (HTAS) segregates the sensing element from signal conditioning electronics with the two permanently connected via hardline cable.
Product Features:
Sensing head can be installed on surfaces up to 400°C (752°F) with signal conditioning electronics in a cooler location.
100 mV/g ±5%.
15 Hz to 10 kHz ±3 dB and 40 Hz to 4 kHz ±5%.
Approved for use in Hazardous Areas.
330450高溫加速系統描述:
The standard 330400 Accelerometer has a limited
temperature range it can be exposed to, due to its signal
conditioning electronics being located in the same case asthe sensing element. Temperature limitations of theelectronics limit its maximum operating temperature to+100°C (+212°F).
330450高溫加速系統(HTAS)
有一個根本不同的結構來解決這個問題,問題其設計將傳感元件與傳感器隔離信號調節電子設備,具有兩個永久性通過硬線電纜連接。當前版本(見注釋這些傳感器中的一個允許傳感頭安裝在溫度高達+400°C的表面上
(+752華氏度)。由于隔離設計,信號空調電子設備可以安裝在較冷的位置。
這實現了傳感器系統的整體性能與其他加速度傳感器相當,但允許在明顯更高的溫度下使用。通過消除傳感頭及其相關部件之間的連接信號調節電子設備,一個重要的潛在的傳感器故障(連接器問題)是被淘汰了。
If housing measurements are being made for overall
protection of the machine, thought should be given to the
usefulness of the measurement for each application. Most
common machine malfunctions (imbalance, misalignment,
etc.) originate at the rotor and cause an increase (or at least
a change) in rotor vibration. In order for any housing
measurement alone to be effective for overall machine
protection, a significant amount of rotor vibration must be
faithfully transmitted to the bearing housing or machine
casing, or more specifically, to the mounting
location of the transducer.
In addition, care should be exercised in the
physical installation of the transducer.
Improper installation can result in a
degradation of the transducer’s performance,
and/or the generation of signals which do not
represent actual machine vibration.
Upon request, Bently Nevada can provide
engineering services to determine the
appropriateness of housing measurements for
the machine in question and/or to provide
installation assistance.