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echo® wireless vibration sensor, 868 mhz

ECHO® WIRELESS VIBRATION SENSOR

Model 670A02

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  • CE
  • IP

Echo® Wireless Vibration Sensor, 868 MHz

  • Frequency Band: 868 MHz ISM Band
  • Housing Material: Stainless Steel
  • Size - Height: 4.40 in (111.8 mm)
  • Weight: 1 lb (454 g)

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.
[6] See PCB Declaration of Conformance PS202 for Details.

English: SI:
Performance
Acceleration Resolution 0.007 g pk 0.069 m/s² pk [1]
Velocity Resolution 0.001 ips rms 0.025 mm/s rms
Acceleration Range 20 g pk 196.2 m/s² pk [1]
Velocity Range 4 ips rms 101.6 mm/s rms
Transverse Sensitivity ≤7 % ≤7 %
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
RMS Acceleration Frequency Range (±3 dB) 2.2 to 15 kHz 2.2 to 15 kHz [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
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
Electrical Isolation >100000000 Ohm >100000000 Ohm
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 868 MHz ISM Band 868 MHz ISM Band
Number of RF Bands 9 9
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
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
Weight 1 lb 454 g
Sensing Element Ceramic Ceramic
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.

Accessories
Supplied
081A40 Mounting stud, 1/4-28 x 0.438" long stainless steel screw with hex socket and brass tip 1
M081A61 Mounting stud, 1/4-28 to M6x1 x 8.6 mm long, BeCu w/shoulder 1

Optional Versions

(M) Metric Mount
Accessories:
Supplied M081A61 Mounting Stud 1