64
14. Specifications
Analog signal input channels
Input signal type
DC
AC
ICP
Number of input channels
4 channels total
Input connector
BNC (Z=50Ω type)
Input format
Unbalanced
Input impedance
1 MΩ
Input signal and amplifier
coupling
DC coupling
AC coupling
AC coupling
Input range
±0.01/0.0316/0.1/0.316/1/2/3.16/10 V
HPF
OFF/5Hz (−12dB/oct Butterworth filter)
LPF
OFF/200Hz/500Hz/1kHz/2kHz (−12dB/oct Butterworth filter)
Absolute maximum input
voltage
±50 V
Input signal quantization
bit depth
24-bit/16-bit
Over range
±127% (±2.08 dB)
Analog-digital conversion
method
ΔΣ conversion method
(simultaneous sampling of each channel and anti-aliasing filter)
Input frequency flatness
characteristics
within ±0.5 dB
Offset drift
within ±0.1% (1V input range)
Calibration function
Offset calibration function included
Phase contrast between
input channels
20kHz band and below:
within 1 degree
40kHz band and below:
within 3 degrees
S/N ratio (dynamic range:
S/N ratio + 2 dB)
16-bit: at least 87 dB for 20kHz band and below, at least 87 dB for 40kHz band
24-bit: at least 98 dB for 20kHz band and below, at least 93 dB for 40kHz band
(1V input range)
Crosstalk
−93 dB or less (1V input range, 24-bit, DC mode, 40kHz band)
Distortion
0.1% or less (1V input range, sine wave)
Voltage supplied to ICP
sensors
—
—
DC 24 V
ICP sensor constant current
source
—
—
4 mA
ICP sensor detection
—
—
Detection function included
for each channel
TEDS
—
—
Supports TEDS Ver. 1.0.
Summary of Contents for VR-24
Page 1: ...Analog Visual Recorder Owner s Manual Z VR 24 D01255010D...
Page 67: ...67 15 Exterior drawings 260 77 12 5 186 Unit mm...
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