
12. Technical Data
Measuring Inputs
Charge, AC voltage and IEPE
BNC socket, single-ended
IEPE Sensor Supply
3.5 to 4.5 mA constant current, compliance voltage >24 V,
switchable, IEPE function check with LED
TEDS Support*
IEPE 1451.4, Template No. 25 for accelerometers and force trans-
ducers, with and without transfer function,
Templates 27 and 28 for measuring microphones,
only reads the sensitivity.
Gain
0.1 / 1 / 10 / 100 / 1000 mV/pC (charge)
1- / 10- / 100- / 1000 fold; 0 / 20 / 40 / 60 dB (voltage / IEPE)
Sensitivity
Configuration*
16 bit digital-analog converter, 0.100 … 1.000 fold,
4 digit, 7 segment LED display
Accuracy
±
0.5 % of measuring value at modulation > 10 % of the full-scale
value, at the center of the frequency band
Low Pass Filter
(-3dB)
0.1 / 1 / 10 / 50 kHz, 4-pole, Butterworth, damping 75 dB/decade
High Pass Filter
(-3 dB)
3 Hz, 2 pole, Butterworth, 40 dB/decade, selectable
Frequency Range
with Integrators
Single integration:
3 to 1000 Hz
Double integration:
3 to 200 Hz
Crossing point of the integrator frequency response graph with the
non-integrated frequency response graph: 15.92 Hz
Output
±
10 V
S
, DC coupled, Offset error < 10 mV,
R
a
= 50
W
, BNC socket, single ended
Output Noise with
Charge Input
Measured at the output with band width 1 Hz to 100 kHz:
< 6 mV
RMS
(filter 0.1 Hz to 50 kHz, gain 1000 mV/pC)
< 3 mV
RMS
(filter 0.1 Hz to 10 kHz, gain 1000 mV/pC)
Referred to input:
< 6 fC
RMS
(filter 0.1 Hz to 50 kHz, gain 1000 mV/pC)
< 3 fC
RMS
(filter 0.1 Hz to 10 kHz, gain 1000 mV/pC)
20