PCB-640B72
zoom_out_map

PCB-640B72

  • Vibration transmitter with current output corresponding to 
    the peak value of the vibration velocity,
  • Measuring range 0 ... 50.8 mm / s,
  • Output range 4 ... 20 mA,
  • Frequency range 3 ... 1000 Hz,
  • Lift terminals

"

basic data
measuring range 0.0 ... 2 / s pk 0.0 ... 50.8 mm / spk [1]
output range 4 ... 20 mA
Frequency range (± 3 dB) 180 ... 60,000 cpm 3 ... 1000 Hz [2] [3]
Broadband resolution 0.01 in / s pk 0.26 mm / s pk [4]
linearity error ± 1%
Operating conditions
temperature range -40 ... 185 ° F -40 ... 85 ° C
Technical characteristics
supply voltage 12 ... 30 V DC
Settling time (on the range within ± 2% of full scale) <15 s
Electrical insulation (housing) > 100 M
physical properties
Size - Hexagon 1.375 in 34.93 mm
Size - Height 3.7 in 94 mm
Dimensions 19.5 oz 553 grams
mounting thread 1/4 "NPT No metric equivalent
sensor element ceramics
Geometry of the sensor element shear principle
housing material stainless steel
electrical connection Removable terminals
port location Above
Pin assignment (terminal 1) Output signal 4 ... 20 mA positive
Pin assignment (terminal 2) Output signal 4 ... 20 mA negative
Connection wire cross-section 12 ... 24 AWG 0.2 ... 3.0 mm²
Hints
[1] Conversion factor 1 in / sec = 0.0254 m / sec.
[2] At frequencies below 5 Hz, the output signal varies.
[3] 1 Hz = 60 cpm ( "Cycles Per Minute": revolutions per minute).
[4] typically,
[5] Details: see PCB Declaration of Conformance PS039
included supply
ICS-4 Frequency response for uniaxial transducers of 0 cpm (0 Hz) up to the upper 10% -frequency for vibration transmitter -1
(TO) temperature output
temperature range -40 ... 125 ° C
electrical connection Removable terminals
Pin assignment (terminal 1) Vibration, 4 ... 20 mA positive
Pin assignment (terminal 2) Vibration, 4 ... 20 mA negative
Pin assignment (terminal 3) Temperature, 4 ... 20 mA positive
Pin assignment (terminal 4) Temperature, 4 ... 20 mA negative
(HT) High temperature electronics
temperature range -40 ... 275 ° F -40 ... 125 ° C
(RV) raw signal output - 100 mV / g (± 20%)
electrical connection Removable terminals
Pin assignment (terminal 1) Output signal 4 ... 20 mA positive
Pin assignment (terminal 2) Output signal 4 ... 20 mA negative
Pin assignment (terminal 3) raw signal positive
Pin assignment (terminal 4) raw signal negative
(VO) raw signal output 100 mV / (in / sec) (± 20%)
electrical connection terminals
Pin assignment (terminal 1) Vibration, 4 ... 20 mA Pos.
Pin assignment (terminal 2) Vibration, 4 ... 20 mA Neg.
Pin assignment (terminal 3) Vibration velocity raw signal positive
Pin assignment (terminal 4) Vibration velocity raw signal negative
PCB-640B72

Specific References

Download

640B72_drawing.PDF

Technical drawing

Download (311.07k)

640B72_manual.PDF

Operating instructions

Download (1.37M)

640B72_specs.PDF

Technical data sheet

Download (85.1k)