E
PI
S
ENSOR
2
U
SER
M
ANUAL
D
OCUMENT
305801,
R
EVISION
A
EpiSensor2 Specifications
Architecture:
Triaxial, force-balance accelerometer with capacitive displacement transducer;
X/Y/Z (non-Galperin) configuration
Centering:
Optional AUTOZERO mode to allow removal of static sensor offsets (zeroed to within
±0.005 g)
Full-scale Range:
Electronically (and remotely) selectable range: ±4 g, ±2 g, ±1 g, ±0.5 g, and
±0.25 g (peak)
Bandwidth:
DC to >320 Hz (-3 dB point)
Dynamic Range:
(Integrated RMS)
166 dB @ 1 Hz over 1 Hz bandwidth
155 dB, 3 to 30 Hz
Non-linearity:
< 0.015% total non-linearity
Hysteresis:
< 0.005% of full scale
Cross-axis Sensitivity:
< 0.5% total
Offset Temperature Coefficient
Horizontal sensor: 60
µ
g/°C, typical
Vertical sensor: 320
µ
g/°C, typical
Power Supply Voltage:
9 to 36 V DC isolated input
Power Consumption:
<350 mW typical quiescent
Power Protection:
Reverse-voltage and over-/under-voltage protected
Over-current protection with self-resetting feature
Isolation:
Input power, serial interface, and digital control lines galvanically isolated from
sensor ground
Grounding:
Case ground connected to dedicated cable line for automatic connection to digitizer
grounding lug
Control Interfaces
Digital ENABLE Lines:
Dedicated, isolated lines for control of full-scale range, CAL
ENABLE and AUTOZERO ON/OFF
RS-232 Interface:
TIA/EIA-232-F compliant, isolated RS-232 with full command-line
control of all sensor parameters and functions
Page 19
August 2015