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MEAS Versatile Charge Amplifier Redefined


MEAS announces model 161 series 4-channel signal conditioning amplifier designed to be used with piezoelectric accelerometers (IEPE or Charge) and most other piezoelectric based transducers. It incorporates front-panel controlled gain adjustments, multiple high-pass and low-pass filter settings, and it is capable of displaying IEEE 1451.4 TEDS information. For various vibration applications where velocity and displacement information are desired, analog integration functions are included as output options with a push of a button.

The Model 161 series can also be ordered with a built-in rechargeable battery, perfect for field test applications.

INPUT SPECIFICATIONS
Charge Input <100,000pC, Single ended, BNC input connector
Charge Input Sensitivity Range 0.001pC/unit to 999.0pC/unit (unit may be g, m/s2, etc.)
Charge, Source Resistance >10 MW
IEPE Input <22 Volts (AC+DC components), Single ended, BNC input connector
IEPE Input Sensitivity Range 0.01mV/unit to 999.0mV/unit (unit may be g, m/s2, etc.)
IEPE Current Excitation 4mA

OUTPUT SPECIFICATIONS
AC Voltage Single ended (referenced to signal ground), short circuit protected, BNC output connector
Output Impedance <100W
Output Current 35mA max
Linear Output +/-10Vpeak

TRANSFER CHARACTERISTICS
Output Sensitivity Range Settings Charge: 100?, 316?, 1m, 3.16m, 10m, 31.6m, 100m, 316m, 1, 3.16, 10 (V/unit)
IEPE: 100, 316, 1m, 3.16m, 10m, 31.6m, 100m, 316m, 1 (V/unit)
Accuracy +/-0.5% of full scale
Linearity +/-0.1% of full scale
Noise Charge: 0.062 pC rms (RTI) plus 0.004 pC rms per 1000pF of source capacitance referred to input.
IEPE: 110uV rms referred to input
Frequency Response 0.1 Hz to 100 kHz
Low-pass Filter (-3dB corner) 100Hz, 1kHz, 3kHz, 10kHz, 30kHz, 100kHz
High-pass Filter (-1dB corner) 0.1Hz, 1Hz, 3Hz, 10Hz
Crosstalk Between Channels 100 db RTI

POWER REQUIREMENTS
Voltage 18-24VDC from supplied 110/220VAC power adaptor
Power dissipation 12W typical

PHYSICAL CHARACTERISTICS
Weight & Size 2.85kg (6.28lbs); H x W x D: 115 (4.5) x 180 (7.1) x 310 (12.2) mm (inches)
Case Material Anodized aluminum

Please contact us for more information on this product.




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