Echo® Wireless Vibration Sensor, 916 MHz
- Frequency Band:
916 MHz ISM Band
- Housing Material:
Stainless Steel
- Size - Height:
4.40 in
(
111.8 mm)
- Weight:
1 lb
(
454 g)
|
English: |
SI: |
|
Performance |
RMS Velocity Frequency Range (±3 dB) |
4 to 2300 Hz |
4 to 2300 Hz |
[
3]
|
Velocity HP Filter |
2 Hz, 1-pole RC |
2 Hz, 1-pole RC |
|
Velocity LP Filter |
2400 Hz,3-pole Chebyshev |
2400 Hz,3-pole Chebyshev |
|
Velocity Resolution |
0.001 ips rms |
0.025 mm/s rms |
|
Velocity Range |
4 ips rms |
101.6 mm/s rms |
|
RMS Acceleration Frequency Range (±3 dB) |
2200 to 15000 Hz |
2200 to 15000 Hz |
[
3]
|
Acceleration HP Filter |
2000 Hz,4-pole Chebyshev |
2000 Hz,4-pole Chebyshev |
|
Acceleration LP Filter |
15k Hz, 3-pole Chebyshev + 1-pole RC |
15k Hz, 3-pole Chebyshev + 1-pole RC |
|
Acceleration Resolution |
0.007 g pk |
0.069 m/s² pk |
[
1]
|
Acceleration Range |
20 g pk |
196.2 m/s² pk |
[
1]
|
Transverse Sensitivity |
≤7 % |
≤7 % |
|
Velocity Linearity (0-1 ips rms ) |
<1 % |
<1 % |
[
2]
|
Velocity Linearity (0-4 ips rms ) |
<8.5 % |
<8.5 % |
[
2]
|
Acceleration Linearity |
<1 % |
<1 % |
[
2]
|
Environmental |
Overload Limit (shock ) |
1000 g pk |
9810 m/s² pk |
|
Temperature Range |
-4 to +158 °F |
-20 to +70 °C |
|
Enclosure Rating |
IP66 |
IP66 |
|
Transmission Range |
250 ft to>1 mile radius, installation dependent |
250 ft to>1 mile radius, installation dependent |
[
4]
|
Electrical |
RMS Velocity |
Analog Integration, FFT Sum |
Analog Integration, FFT Sum |
|
RMS Acceleration |
3.7 Sec time sample @ 61.4 kHz sample rate |
3.7 Sec time sample @ 61.4 kHz sample rate |
|
Filtered Crest Factor (max ) |
16 |
16 |
|
Frequency Band |
916 MHz ISM Band |
916 MHz ISM Band |
|
Number of RF Bands |
12 |
12 |
|
Maximum Power (ERP ) |
0.75 mW |
0.75 mW |
|
RF Data Rate |
20 bps |
20 bps |
|
ADC/dynamic range |
16 bit/>90db |
16 bit/>90db |
|
Battery Life (room temperature) |
>1 year @ 3-measurements per day |
>1 year @ 3-measurements per day |
|
Electrical Isolation |
>100000000 Ohm |
>100000000 Ohm |
|
Physical |
Power |
7.2V Lithium Battery Pack |
7.2V Lithium Battery Pack |
|
Size - Hex |
1.375 in |
34.93 mm |
|
Size - Height |
4.40 in |
111.8 mm |
|
Sensing Element |
Ceramic |
Ceramic |
|
Weight |
1 lb |
454 g |
|
Sensing Geometry |
Shear |
Shear |
|
Housing Material |
Stainless Steel |
Stainless Steel |
|
Housing Diameter |
1.66 in |
42.0 mm |
|
Mounting |
1/4" - 28 |
1/4" - 28 |
[
5]
|
Mounting Torque |
3 to 5 ft-lb |
4 to 7 Nm |
|
Sealing |
O-Ring |
O-Ring |
|
Sensor Activation/Deactivation |
Magnet Switch |
Magnet Switch |
|
* All specifications are at room temperature unless otherwise specified
.
Specification Notes
[
1]
Conversion Factor 1g = 9.81 m/s².
[
2]
Zero-based, least-squares, straight line method.
[
3]
Upper frequency tolerance is ± 10% of the specified value.
[
4]
Typical.
[
5]
1/4-28 has no equivalent in S.I. units.
Accessories
|
|
|
Supplied |
081A40 |
Mounting stud, 1/4-28 x 0.438" long stainless steel screw with hex socket and brass tip |
1 |
Optional Versions
(
CS )
Canadian Standards Association Approved Intrinsically Safe
(
M )
Metric Mount
Accessories: |
Supplied |
M081A61 |
Mounting Stud |
1 |