IOtech 652u & 655u User’s Manual
978090
Specifications 7.a-1
Specifications – IOtech 652u & 655u 7.a
Section 7.b,
Specifications, Data Plots
, contains a great deal of information in the form of plotted data. References
to the plots appear in this section (7.a) when applicable.
General Specifications
Environment:
Operating Temperature: -40
˚ to
60
˚C
(
see note)
Humidity: 0
˚ to 95% RH, non
-condensing
Vibration: IEC 60068-2-64
Shock: IEC 60068-2-27
Ingress: IP 40
Power Supply:
Maximum Power Draw:
652u: 3.5W
655u: 4.7W
Required Supply Voltage:
6.0 to 16 VDC
Supply Current:
1 amp max
Power Jack:
Barrel Type: 5.5 mm O.D.; 2.5 mm I.D.
PC Communication:
USB2.0
Dimensions:
10.9” W x 6.685” D x 1.2”H
(276.9mm W x 169.8mm D x 30.5mm H)
Weight:
2.7 lbs. (1.2 kg)
Warm-up:
10 minutes to rated specifications
Analog Specifications
Analog Vibration Measurements
ADC converter resolution:
24 bits
ADC converter type:
Delta-sigma
Sample rates:
up to 105,468 samples per second
Sample rate accuracy:
±50ppm
Channels:
10 input channels
Input connector:
1 BNC per channel
Input impedance:
High to ground:
800kΩ || 120 pF
Low to ground:
1kΩ
High to low:
801kΩ
Input coupling:
DC, AC, or AC + IEPE; software programmable per channel basis
High-pass filter (AC coupling cutoff)
: 0.1Hz
Input range:
Figure 1. Measurement High Pass Filter Response
Input protection
: BNC Shell to BNC Center: ±60V Max without damage
BNC Shell to Earth Ground: ±8V Max without damage
Over-range indication:
Software
Low-pass filter
(software programmable per channel)
Note:
For 655u — To ensure accurate temperature measurements allow the 655u to acclimate itself to ambient
temperature prior to acquiring data.
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