Model: 670A01

$1,050.00 USD
(Pricing valid in US only)

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)

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RMS Velocity Frequency Range (±3 dB)4 to 2300 Hz4 to 2300 Hz[3] 
Velocity HP Filter2 Hz, 1-pole RC2 Hz, 1-pole RC 
Velocity LP Filter2400 Hz,3-pole Chebyshev2400 Hz,3-pole Chebyshev 
Velocity Resolution0.001 ips rms0.025 mm/s rms 
Velocity Range4 ips rms101.6 mm/s rms 
RMS Acceleration Frequency Range (±3 dB)2200 to 15000 Hz2200 to 15000 Hz[3] 
Acceleration HP Filter2000 Hz,4-pole Chebyshev2000 Hz,4-pole Chebyshev 
Acceleration LP Filter15k Hz, 3-pole Chebyshev + 1-pole RC15k Hz, 3-pole Chebyshev + 1-pole RC 
Acceleration Resolution0.007 g pk0.069 m/s² pk[1] 
Acceleration Range20 g pk196.2 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] 
Overload Limit (shock )1000 g pk9810 m/s² pk 
Temperature Range-4 to +158 °F-20 to +70 °C 
Enclosure RatingIP66IP66 
Transmission Range250 ft to>1 mile radius, installation dependent250 ft to>1 mile radius, installation dependent[4] 
RMS VelocityAnalog Integration, FFT SumAnalog Integration, FFT Sum 
RMS Acceleration3.7 Sec time sample @ 61.4 kHz sample rate3.7 Sec time sample @ 61.4 kHz sample rate 
Filtered Crest Factor (max )16 16  
Frequency Band916 MHz ISM Band916 MHz ISM Band 
Number of RF Bands12 12  
Maximum Power (ERP )0.75 mW0.75 mW 
RF Data Rate20 bps20 bps 
ADC/dynamic range16 bit/>90db16 bit/>90db 
Battery Life (room temperature)>5 years @ 3-measurements per day >5 years @ 3-measurements per day  
Electrical Isolation>100000000 Ohm>100000000 Ohm 
Power7.2V Lithium Battery Pack 7.2V Lithium Battery Pack  
Size - Hex1.375 in34.93 mm 
Size - Height4.40 in111.8 mm 
Sensing ElementCeramicCeramic 
Weight1 lb454 g 
Sensing GeometryShearShear 
Housing MaterialStainless SteelStainless Steel 
Housing Diameter1.66 in42.0 mm 
Mounting1/4" - 281/4" - 28[5] 
Mounting Torque3 to 5 ft-lb4 to 7 Nm 
Sensor Activation/DeactivationMagnet SwitchMagnet Switch 

All specifications are at room temperature unless otherwise specified.


Product 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.
081A40Mounting Stud(1)
Optional Versions:
(CS) Canadian Standards Association Approved Intrinsically Safe
(M) Metric Mount
    M081A61Mounting Stud(1)
Product Documents
Additional Downloads None Listed