DESCRIPTION

· The 731A is an ultra quiet, ultra low-frequency accelerometer designed for high sensitivity applications.
· It requires special handling due to its sensitivity and comes with a wooden protective case.
· Includes SF7 mounting stud and level 3 calibration data; optional P31 power unit/amplifier available.

FEATURES

· Features ultra low-noise electronics for clear signals at sub-µg levels.
· Manufactured in an ISO 9001 certified facility.
· Sensitivity of 10 V/g with a ±10% tolerance at 25°C.
· Frequency response ranges from 0.10 - 300 Hz and 0.05 - 450 Hz with a resonance frequency of 750 Hz.
· Operates within a temperature range of –10°C to +65°C with a power requirement of 18 - 30 VDC and 2 - 10 mA.
· Electrical noise levels are specified from 2.5 Hz to 25 kHz and spectral noise at various frequencies.
· Output impedance is a maximum of 100 Ω with a bias output voltage of 9 VDC.
· Constructed with a PZT ceramic / flexure sensing element and housed in 316L stainless steel.

APPLICATIONS

· Ideal for applications requiring ultra high sensitivity and ultra low-noise performance.
· Suitable for environments where precise low-frequency vibration measurements are critical.
· Can be used in various industrial and scientific settings where high accuracy and reliability are required.