8-Channel Thermocouple Input USB Data Acquisition Module

USB-4718

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Supports USB 2.0
Portable
Bus-Powered
8 Differential Analog Input Channels
16-Bit Resolution
8 DI/8 DO
Wiring Terminal on Modules
Suitable for DIN-Rail Mounting
Lockable USB Cable for Rigid Connection

Description

The USB-4700 series consists of true Plug & Play data acquisition devices. No more opening up your computer chassis to install boardsjust plug in the module, then get the data. It’s easy and efficient.

The USB-4718 offers 8 thermocouple inputs with 16-bit resolution, up to 0.1% input range accuracy, or 4 to 20 mA Inputs. Reliable and rugged enough for industrial applications, yet inexpensive enough for all types of projects, the USB-4718 is the perfect way to add measurement and control capability to any USB capable computer.

The USB-4718 is fully USB plug and play and easy to use. It obtains all required power from the USB port, so no external power connection is ever required. Data collection is simple. Simply plug the data acquisition module into an available USB port and our easy-to-use Windows software does the rest. The software converts your PC into a real-time strip chart recorder. Data can be printed in graphical or tabular format. It can also be exported to a text or Microsoft Excel file.

Specifications
ANALOG INPUT
Accuracy: ±0.1% for voltage input
Bandwidth: 13.1 Hz @ 50 Hz, 15.72 Hz @ 60 Hz
Channels: Eight differential
Ch. Independent Conf: Yes CMR @ 50/60 Hz: 92 dB min
Resolution: 16-bits
Input Impedance: 20 M.
lnput Range: 0 to 15 mV, 0 to 50 mV, 0 to 100 mV,
0 to 500 mV, 0 to 1V, 0 to 2.5V, 0 to 20 mA, 4 to 20 mA
lnput Types: Thermocouple, mV, V, mA
Sampling Rate: 10 samples/sec (total)
Span Drift: ±25 ppm/°C
TVS/ESD Protection: Built-in
Zero Drift: ±3 µV/° C

ISOLATED DIGITAL INPUT
Channels: 8
Input Voltage:
Logic 0: 2V max
Logic 1: 5V min (30 V max)
Isolation Protection: 2500 Vdc
Opto-Isolator Response: 25 µS

ISOLATED DIGITAL OUTPUT
Channels: 8
Output Type: Sink (NPN)
Isolation Protection: 2500 Vdc
Output Voltage: 5 to 30 Vdc, 1.1 A max/total
Sink Current: 200 mA max/channel
Opto-isolator Response: 25 µS

GENERAL
Bus Type: USB 2.0
Software: Windows 2000/XP
I/O Connector: Onboard screw terminal
Dimensions:
80 H x 132 L x 32 mm D
(3.1 x 5.2 x 1.3")
Power Consumption: 100 mA @ 5V
Power Input: 5V from USB line
Watchdog Timer: 1.6 sec (system)
Operating Temperature: 0 to 60°C (32 to 140°F)
Storing Temperature: -20 to 70°C (-4 to 158°F)
Storing Humidity: 5 to 95% RH non-condensing

Thermocouple Ranges and Accuracy
Thermocouple	Input Range	Typical Accuracy	Maximum Error
J	0 to 760°C (32 to 1400°F)	±1.0°C	±1.5°C
K	0 to 1370°C (32 to 2498°F)	±1.0°C	±1.5°C
T	-100 to 400°C (-148 to 752°F)	±1.0°C	±1.5°C
E	0 to 1000°C (32 to 1832°F)	±1.0°C	±1.5°C
R	500 to 1750°C (932 to 3182°F)	±1.2°C	±2.5°C
S	500 to 1750°C (932 to 3182°F)	±1.2°C	±2.5°C
B	500 to 1800°C (932 to 3272°F)	±2.0°C	±3.0°C

Note: Due to the location of the CJC sensor, the measurement will have a 1°C maximum difference in channels.

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USB-4718

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8-channel thermocouple input USB module

† All prices on this site are shown in Philippine Pesos.
Note: Comes with Windows Software and complete user manual on CD, a 1.8 m (6') USB 2.0 cable, and DIN rail mounting kit.