A - specifications, General specifications, Analog specifications – Measurement Computing IOtech 640 Series User Manual
Page 71

IOtech 640 and 650 Series
879592
Specifications 11-1
Specifications
– IOtech 640 & 650 Series 11.a
Section 11.b, Specifications, Data Plots, contains a great deal of information in the form of plotted data. References
to the plots appear throughout this section [11.a], as applicable.
General Specifications
Environment:
Operating Temperature
640u and 650u: -3
0˚ to 70˚C
640e and 650e: 0
˚ to 50˚C
Humidity:
0˚ to 95% RH, non-condensing
Vibration: IEC 60068-2-64
Shock: IEC 60068-2-27
Emissions: EN61326, 89/366EEC
Safety: EN61010
Ingress: IP 40
Power Consumption:
640e; 650e: 5.0W max
640u; 650u: 2.5W max
Input Power Range:
640e, 650e: 6.5 to 16 VDC
640u, 650u: 6.0 to 16 VDC
PC Communication:
640e; 650e: 10/100BaseT Ethernet
640u; 650u: USB2.0
Dimensions: 5.6
” W x 7.1” D x 1.5”H
(142.42mm W x 180.34mm D x 38.1mm H)
Weight: 1.5 lbs. (675 g)
Warm-up: 60 minutes to rated specifications
Analog Specifications
Analog 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:
640e; 640u: 4 input channels
650e; 650u: 5 input channels
Input connector: 1 BNC per channel
Input impedance from
640e / 640u
650e / 650u
High to ground
200
kΩ || 130 pF
800
kΩ || 120 pF
Low to ground
1
kΩ
1
kΩ
High to low
201
kΩ
801
kΩ
Input coupling: DC, AC, or AC + IEPE; software programmable per channel basis