(3 Model 2721Bs Shown)

• Small unit for laboratory and field use
• Front panel selectable filter
• Dial-in sensitivity for set output in mVg
• Input Type: Piezoelectric single-ended with one side connected to circuit common
• Output Type: AC voltage, single-ended with one side connected to ground
• Transfer Characteristics
  * High Sensitivity Transducers: 100 to 1100 pC/g range - 100, 300, 1k, 3k, 10k mV/g (green scale)
  * Medium Sensitivity Transducers: 10 to 110 pC/g range - 10, 30, 100, 300, 1k mV/g (red scale)
  * Low Sensitivity Transducers: 1 to 11 pC/g range - 1, 3, 10, 30, 100 mV/g (black scale)
• Frequency Response
  * Lower Cutoff Frequency - the lower cutoff frequency is dependent on the input shunt resistance:

  Maximum Frequency
  3 Hz	> 100 kohms
  5 Hz	10 kohms to 100 kohms
  50 Hz	1 kohms to 10 kohms

  * Upper Cutoff Frequency: 10 kHz

• Power: This Signal Conditioner has been designed for use with the Endevco Model 4221A Power Supply.
  * Supply Voltage: ±15 VDC
  * Supply Current: ±7.5 mA DC
• Connectors:
  * Input: Microdot type 10-32
  * Output: BNC type coaxial receptacle
  * Power: Terminal strip with three #2-56 screw terminals

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