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9
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Echo Wireless Vibration System
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Common Specifications
Measurements & Data Provided Specifications
D
ate / Time
S
ensor ID
RMS Velocity
Derived Peak Velocity 1.414 x RMS Velocity
RMS Acceleration
D
erived Peak Acceleration
1
.414 x RMS Acceleration
T
rue Peak Acceleration
3
.7 sec time sample @ 61.4 kHz sample rate
C
rest Factor
True Peak / RMS
Acceleration Maximum Value = 16
Battery Status
4
-levels, status on previous transmission @
max load
RF Status 4 - levels
Noise Power
Instantaneous power
l
evel of the RF background noise
A
verage Power
A
verage power level of the transmission
A
verage SNR
A
verage SNR of transmission
Radio & Standard Specification
R
adio Standard
E
xtended Range RF (ERRF)
Modulation Mode Binary Frequency Shift Keying (BFSK)
Receiver Noise Floor -155dBm
R
adio Sensitivity
-
145 dBm
F
requency Band (unlicensed ISM)
9
02-928 MHz (FCC Part 15.249)
Effective Radiated Power (ERP) 0.75 mW (50 mV / m @ 3 meters)
Transfer Rate 20 bps
Number of Frequency Bands 12
Number of receivers handled
by a host computer
Network capability dependent
Sensors per receiver @ 3 meas/day,
1% miss rate typical
~400
Sensors per receiver @ 3 meas/day,
5% miss rate typical
~2000
Sensor/Junction Box Antenna Integral 0.433 inch Ceramic Chip
Certifications FCC (USA) & IC (Canada)
Performance Specification
RMS Velocity Analog Integration
Velocity HP Filter 2 Hz, 1-pole RC
Velocity LP Filter 2400 Hz, 3-pole Chebyshev
Velocity Resolution 0.001 ips
Velocity Range ± 4.096 ips
Derived peak velocity 1.414 x RMS Velocity
RMS Accleleration (HFE) Time Sample Sum
Acceration HP Filter 2000 Hz, 4-pole Chebyshev
Acceration LP Filter 15k Hz, 3-pole Chebyshev + 1-pole RC
Acceleration Resolution 0.005 g
Acceleration Range ± 20.48 g
Derived Peak Acceleration 1.414 x RMS Acceleration
True Peak Acceleration (absolute value)
@ 61.4 kHz sample rate
≥50 s pulse width
Crest Factor
True Peak / RMS Acceleration
Maximum Value = 16
ADC/dynamic range 16 bit / >90 dB
Residual Vibration Level (RVL)
If RVL = 0 Collect on normal transmission period
If RVL > 0
Check at normal transmission period and
collect data only if RMS velocity > RVL
Operation Status Indicator LED
Echo
®
Wireless Vibration Sensor Specs
Echo
®
Environmental
Specifications
Overload Limit (Shock) 100 g
T
emperature Range (Electronics)
-
20° to 70° C (-4 to 158° F)
T
emperature (Base)
-
54° to 121° C (-65° to 250° F)
H
umidity
5
% - 95%, non-condensing
Enclosure Rating IP66
Echo
®
Electrical
Specifications
Power Saft 7.2V Lithium Battery, 100-9206-10
R
eplaceable
Y
es
Electrical Isolation (Case) >108 ohm
Frequency Response (±3 dB) 3 Hz to 15 kHz
Channels 1 (single channel)
R
aw Vibration Output Connector
4-pin optional, also requires optional 070A86
cable
Echo
®
Physical
Specifications
Sensor Module Dimensions
B
ase Assembly
1
-3/8" Hex
Housing 1.65" Dia
H
eight (overall)
4
.4"
Mounting Surface 0.87" Dia
Weight (including battery pack) 450 g (15.9 Oz)
Mounting Thread 1/4-28 Female
Mounting Torque 2 to 5 ft-lb
Sensing Element (IMI 66213LPZ1) Ceramic Shear
Sensor Module Material
Base 304 Stainless Steel
Echo
®
Plus Wireless Junction Box Specs
Echo
®
Plus Environmental
Specifications
Temperature Range (Electronics) -20° to 70° C (-4 to 158° F)
Humidity 5% - 95%, non-condensing
Enclosure Rating NEMA 4x
Echo
®
Plus Electrical
Specifications
Power 24 VDC or 6 - 14 V Battery
Channels 8
Raw Vibration Output Connector BNC Jack
Sensors Supported
ICP® (IEPE) 10 - 500 mV/g or PE
with inline charge converter
Sensors Settling Time ≤5 s
Frequency Response Sensor dependent
Echo® Physical
Specifications
Input Connector Terminal Strip
Enclosure Material Fiberblass
Size (h x w x d) 8 x 6 x 4 in
Weight (including battery pack) 2.9 lb