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Features
RoHS
COMPLIANT
2002/95/EC
USB-4718
8-ch Thermocouple Input USB Module
with 8-ch Isolated Digital Input
Supports USB 2.0
Supports voltage, current, and thermocouple inputs
Bus-powered
8 thermocouple input channels
2,500 VDC isolation
Supports 4 ~ 20 mA current input
Detachable screw terminal on modules
8-ch isolated DI and 8-ch isolated DO
Suitable for DIN-rail mounting
One lockable USB cable for secure connection included
Introduction
The USB-4700 series consists of true Plug & Play data acquisition devices. No more opening up your computer chassis to install boards-just plug in the module, then get the data.
It’s easy and efficient. USB-4718 offers 8 thermocouple inputs with 16-bit resolution, up to 0.1% input range accuracy. Portable design makes the USB-4718 suitable for the field
research. Also the input channels can be set separately make it possible handling multiple types of sensor with only one USB-4718 module.
Reliable and rugged enough for industrial applications, yet inexpensive enough for home projects, the USB-4718 is the perfect way to add measurement and control capability to any USB
capable computer. The USB-4700 series is fully plug and play and easy to use. It obtains all required power from the USB port, so no external power connection is ever required.
Specifications
Analog Input
Accuracy
±0.1% for voltage input
Bandwidth
13.1 Hz @ 50 Hz,
15.72 Hz @ 60 Hz
Channels
8 differential
Ch. Independent Conf. Yes
CMR @ 50/60 Hz
92 dB min.
Resolution
16 bits
Input Impedance
1.8 M
Ω
lnput Range
0 ~ 15 mV, 0 ~ 50 mV, 0 ~ 100 mV, 0 ~ 500 mV,
0 ~ 1 V, 0 ~ 2.5 V, 0 ~ 20 mA, 4 ~ 20 mA
lnput Types
Thermocouple, mV, V, mA
Sampling Rate
10 S/s (total)
Span Drift
±25 ppm/° C
T/C Type and Temperature Ranges
J
0 ~ 760° C
R
500 ~ 1750° C
K
0 ~ 1370° C
S
500 ~ 1750° C
T
-100 ~ 400° C
B
500 ~ 1800° C
E
0 ~ 1000° C
TVS/ESD Protection
Built-in
Zero Drift
±0.3 μV/° C
Isolated Digital Input
Channels
8
Input Voltage
Logic 0: 2 V max.
Logic 1: 5 V min. (30 V max.)
Isolation Protection
2,500 VDC
Opto-isolator Response 25 μs
Isolated Digital Output
Channels
8
Output Type
Sink (NPN)
Isolation Protection
2,500 VDC
Output Voltage
5 ~ 30 VDC, 1.1 A max./ total
Sink Current
200 mA max./channel
Opto-isolator Response 25 μs
General
Bus Type
USB 2.0
I/O Connector
Onboard screw terminal
Dimensions (Lx W x H) 132 x 80 x 32 mm
Power Consumption
100 mA @ 5 V
Watchdog Timer
1.6 sec. (system)
Operating Temperature 0 ~ 60° C (32 ~ 140° F) (refer to IEC 68-2-1, 2)
Storage Temperature
-20 ~ 70° C (-4 ~ 158° F)
Storage Humidity
5 ~ 95% RH non-condensing (refer to IEC 68-2-3)
Ordering Information
USB-4718
8-ch Thermocouple Input USB Module
1960004544
Wallmount Bracket
1960005788
VESA Mount Bracket
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