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8-Channel USB Data Acquisition Module Measures Temperatures
Add Thermocouple, RTD, Thermistor, Semiconductor Inputs, and Digital I/O to Your USB Port

USB Data Acquisition Module - 8 Channels of TC/RTD/Thermistor/Semiconductor Temperature Input, 8 DIO

Qty   Price (with options selected)
Shipping: Call for Availability
System BusUSB 2.0
Number of Channels8
A/D Converter Resolution24-bit
Number of I/O Lines8

Our UMDAS THV remote analog input module is ideal for temperature measurements anywhere in your plant. The module provides 8 differential temperature input channels plus 8 independently programmable digital I/O channels. The UMDAS THV accepts thermocouple, RTD, thermistor, and semiconductor inputs.

Choose from our family of USB temperature-input devices:

  • UMDAS TC: USB bus, 8-ch thermocouple input, CJC, 8 DIO
  • UMDAS TCLOG: UMDAS TC with 64MB CompactFlash (no PC required)
  • UMDAS TH: USB bus, 8-ch thermocouple, RTD, thermistor, or semiconductor input, CJC, 8 DIO
  • UMDAS THV: USB bus, 8-ch 8-ch thermocouple, RTD, thermistor, or semiconductor input, 8 DIO
  • UMDAS THLOG: UMDAS TH with 64MB CompactFlash (no PC required)
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Product Information
System Bus USB 2.0
Bus Information System Bus Details Module runs on both USB 1.1 and 2.0 buses
USB Type B (4-pin, square) connector
Mounting Configuration Desktop / benchtop
Direct Sensor Input Thermocouple
On-board Microprocessor Yes
Analog Input Channels
Number of Channels 8
Single-Ended Channels 4
Differential Channels 8
A/D Converter Resolution 24-bit
Bandwidth 50KHz
Cold Junction Compensation CJC on all channels
Noise CMRR (Common Mode Rejection Ratio) Voltage: 3dB; Temp: 100dB
Input Impedance Details Voltage: 10 gigohm (pwr on), 2.49 Mohm (pwr off)
Temp: 5 gigohm (pwr on), 1 Mohm (pwr off)
A/D Special Features Open thermocouple detection
Input Ranges
Bipolar Input Ranges -10V to +10V
-5V to +5V
-2.5V to +2.5V
-1.25V to +1.25V
Thermocouple Support Thermocouple Inputs J-type thermocouple
K-type thermocouple
T-type thermocouple
E-type thermocouple
R-type thermocouple
S-type thermocouple
B-type thermocouple
N-type thermocouple
J-type Range Supported -346°F....2192°F (-210°C....1200°C)
K-type Range Supported -454°F....2501.6°F (-270°C....1372°C)
T-type Range Supported -454°F....752°F (-270°C....400°C)
E-type Range Supported -454°F....1832°F (-270°C....1000°C)
R-type Range Supported -58°F....3214.4°F (-50°C....1768°C)
S-type Range Supported -58°F....3214.4°F (-50°C....1768°C)
B-type Range Supported 32°F....3308°F (0°C....1820°C)
N-type Range Supported -454°F....2372°F (-270°C....1300°C)
A/D Range Selection Software
Isolation, Field-to-Logic 500VDC
Isolation Details 500VDC min. input isolation between field wiring and USB interface
Trigger Modes
Triggering Type(s) Supported Software trigger (software-controlled trigger)
Counter/Timer Channels
Number of User Channels 1
Counter/Timer Size 32-bit
Input Frequency, max. 1MHz
Counter Type(s) Up counter
Signals Input Voltage - High (Vih) 4V....5.5V
Input Voltage - Low (Vil) -0.5V....1V
Pulse Width, High, min. 1μs
Pulse Width, Low, min. 1μs
Digital I/O
Number of I/O Lines 8
Digital I/O Details TTL-compatible
Digital Type: 5V CMOS
Primary Digital I/O Configuration 8 bidirectional
Signal Connector Screw terminals
Inputs Input Voltage - High (Vih, DC) 2V....5.5V
Input Voltage - Low (Vil) -0.5V....0.8V
Outputs Output Voltage - High (Voh) 3.8V....5V
Output Voltage - Low (Vol) 0mV....0.7V
Software Included Free with Product Diagnostic software
Setup_utility software
Software Included - Features Universal Driver and LabVIEW® libraries
Operating System Compatibility Windows XP
Windows XP x64
Windows Vista capable
Windows 7
Windows 8
Software Compatibility Universal Driver Library
Windows® Visual Studio
Microsoft® Visual Basic
MS Visual C++
Cables and Connectors
Connector #1 Quantity 52
Type Screw terminals
Location On module
Connector #2 Quantity 1
Type USB Type B (4-pin, square)
Gender Female (socket)
Location On module
Connector & Cabling Details Screw Terminal Wire Gauge Range: 16 to 30 AWG
Includes 6' USB cable
Construction Material Impact resistant ABS plastic
Protection Rating NEMA 1
Power Consumption (typical) 270mA typ.
Power Supply Notes +5V power via the USB bus, no external power supply needed
Indicators & Controls
Other Control Features Status and Activity LED indicator
Environmental Specifications
Operating Temperature 32°F....131°F (0°C....55°C)
Storage Temperature -40°F....185°F (-40°C....85°C)
Relative Humidity, noncondensing 0%....90%
Safety & Standards Compliance
Safety/Approvals Meets CE standards
Width 5" (127mm)
Height 1.4" (35.56mm)
Depth 3.5" (88.9mm)
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Ordering - Includes Options Indicated Below
USB Data Acquisition Module - 8 Channels of TC/RTD/Thermistor/Semiconductor Temperature Input, 8 DIO
Catalog # Shipping Price (with options) Qty  
UMDAS THV Call for Availability
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