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8-Channel Temperature Logger
8-Channel Temperature Logger
UMDAS THLOG

Remote Temperature Input Logger - 8 Temperature Channels, Alarm Functions, with USB Power Adapter, Cable, and 64MB CompactFlash Card

Qty   Price (with options selected)
Shipping: 2+ weeks
 Features
System BusUSB 2.0
Number of Channels8
A/D Converter Resolution24-bit
Max. A/D Speed (throughput)24Hz
Number of I/O Lines8
8-Channel Temperature Logger <P>UMDAS and UWDAS remote temperature-measurement modules let you gather data 
with or without a physical connection to your computer. </P>
<P>Connect via USB cables, by changing out CompactFlash card, or via encrypted 
wireless transmission -- all with your choice of sensing devices. </P>
 
Introduction

If your remote facilities are not convenient to your host PC, we recommend the datalogger versions of our UMDAS TH and UMDAS TC USB data acquisition modules. In the UMDAS THLOG and the UMDAS TCLOG, the microprocessor stores your temperature data on the included 64MB CompactFlash card (upgradeable to 2GB maximum). You can retrieve your data by swapping out the CompactFlash card, or you can download data to a portable PC.

Since there is not usually a PC linked to the dataloggers, they come with firmware that allows you to use each of the eight DIO channels to trigger local alarms when temperatures stray above, below, or outside your defined set-points or ranges. If there is a nearby PC, connect the USB cable and use the dataloggers just like the UMDAS TC and TH modules.

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 THLOG: UMDAS TH with 64MB CompactFlash (no PC required)
  • UWDAS TC: Wireless and USB bus, 8-ch thermocouple input, CJC, 8 DIO
  • UWDAS TH: Wireless and USB bus, 8-ch thermocouple, RTD, thermistor, or semiconductor input, CJC, 8 DIO
  • UWDAS TXM: USB interface module for support of up to 10 UWDAS modules
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Product Information
System Bus USB 2.0
Bus Information Baud Rate, Max. 24 bps
Bus Standards Compliance USB 1.1
USB 2.0
System Bus Details USB Type B (4-pin, square) female connector
Mounting Configuration Desktop / benchtop
External module
Direct Sensor Input Thermocouple
RTD
Thermistor
On-board Microprocessor Yes
On-Board Memory for Processor 1.5k
Analog Input Channels
Number of Channels 8
Differential Channels 8
A/D Converter Resolution 24-bit
Max. A/D Speed (throughput) 24Hz
Cold Junction Compensation CJC on all channels
Accuracy Relative Accuracy
  • Max. error from thermocouple inputs:  +/-2.653 deg. C.
  • Max. error from TMP36 or equiv. semiconductors: +/-0.5 deg. C.
  • Max. error from thermistor inputs:  +/-0.05 deg. C.

Resistance values greater than 660 ohms cannot be measured by this module in the RTD mode.  Maximum and typical accuracy errors for RTD mode vary with temperature, as follows:

  • -200 to -150 deg C:  +/-2.85 deg. C max., +/-2.59 deg. C typ.
  • -150 to -100 deg C:  +/-1.24 deg. C max., +/-0.97 deg. C typ.
  • -100 to 0 deg C:  +/-0.58 deg. C max., +/-0.31 deg. C typ.
  • 0 to 1000 deg C:  +/-0.38 deg. C max., +/-0.11 deg. C typ.
  • 100 to 300 deg C:  +/-0.39 deg. C max., +/-0.12 deg. C typ.
  • 300 to 600 deg C:  +/-0.40 deg. C max., +/-0.12 deg. C typ.
Noise CMRR (Common Mode Rejection Ratio) 100 dB min.
NMRR (Normal Mode Rejection Ratio) 90 dB min.
Input Impedance 5000MΩ
Input Impedance Details 5 Gigohm, min.
Input Protection Protected against voltages to +/-25VDC, max. (power on), +/-40VDC (power off)
A/D Special Features Max. Logging Rate/Channel: 2 S/s to PC, 1 S/s to CF card
Input Ranges
Bipolar Input Ranges -80mV to +80mV
Unipolar Input Ranges 0 to +2.5V
0 to +2V
0 to +500mV
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)
RTD Types Supported 100-ohm Platinum (-100° to +100°C), alpha = 0.00385 (IEC)
100-ohm Platinum (0° to +200°C), alpha = 0.00385 (IEC)
100-ohm Platinum (0° to +600°C), alpha = 0.00385 (IEC)
100-ohm Platinum (0° to +850°C), alpha = 0.00385 (IEC)
100-ohm Platinum
100-ohm Platinum (-100° to +200°C), alpha = 0.00385 (IEC)
100-ohm Platinum (-100° to +100°C), alpha = 0.003916 (JIS)
100-ohm Platinum (-100° to +200°C), alpha = 0.003916 (JIS)
100-ohm Platinum (0° to +100°C), alpha = 0.003916 (JIS)
100-ohm Platinum (0° to +600°C), alpha = 0.003916 (JIS)
100-ohm Platinum (0° to +850°C), alpha = 0.003916 (JIS)
100-ohm Platinum (-50° to +150°C), alpha = 0.00385 (IEC)
100-ohm Platinum (-50° to +150°C), alpha = 0.003916 (JIS)
100-ohm Platinum (-200° to +200°C), alpha = 0.00385 (IEC)
100-ohm Platinum (0° to +400°C), alpha = 0.00385 (IEC)
100-ohm Platinum (-200° to +200°C), alpha = 0.003916 (JIS)
100-ohm Platinum (0° to +400°C), alpha = 0.003916 (JIS)
100-ohm Platinum (-200° to +600°C), alpha = 0.00385 (IEC)
100-ohm Platinum (-200° to +600°C), alpha = 0.003916 (JIS)
Thermistor Support Thermistor Range

Thermistor:

  • Standard 2,252 ohm through 30,000 0hm
  • Resistance values greater than 180 kohms can not be measured when in thermister mode
  • For accurate three-wire compensation, each individual lead wire resistance connected to the +/- Ix pins must be of equal value

 

A/D Range Selection Software
Input Range Details Range is automatically selected by configuring sensor type in software.
Isolation, Field-to-Logic 500VDC
Isolation Details Isolation of 500VDC min., between field wiring and USB interface.
Trigger Modes
Triggering Type(s) Supported Software trigger (software-controlled trigger)
Triggering Features Min. 1 sec between entries, max. 2exp32 sec., intervals of 1 sec.
Digital I/O
Number of I/O Lines 8
Primary Digital I/O Configuration 8 bidirectional
Input/Output Selection Software
Signal Connector Screw terminals.
Inputs Input Voltage - High (Vih, DC) 2V....5.5V
Input Voltage - Low (Vil) -5V....0.8V
Outputs Output Voltage - High (Voh) 3.5V....5V
Output Voltage - Low (Vol) 0mV....0.7V
Output Current Sink, max. 2.5mA
Software
Software Included Free with Product Software developer's kit
calibration software
Software Included - Features Drivers and libraries
Operating System Compatibility Windows XP
Windows 2000
Windows Me
Windows 98SE
Software Compatibility Universal Driver Library
DASYLab®
LabVIEW®
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
Construction
Construction Material Impact resistant ABS plastic
Power
Power Consumption (typical) 500mA max. from USB line.  Data logging requires use of included AC adapter power supply.
Power Supply Notes

Includes external 5V power supply:

  • Output voltage:  5V
  • Output power:  2.5W
  • Input voltage:  100~240VAC @ 50~60Hz
  • Input current:  0.2A
Indicators & Controls
Other Control Features Push button on side to initiate data logging
Display LED show status of signal
Environmental Specifications
Operating Temperature 32°F....158°F (0°C....70°C)
Storage Temperature -40°F....185°F (-40°C....85°C)
Relative Humidity, noncondensing 0%....90%
Dimensions
Width 3.45" (87.7mm)
Height 1.5" (38.17mm)
Depth 5.1" (129.52mm)
Weight
Weight 0.42lbs (190.51g )
Shipping Weight 1.8lbs (816.46g )
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Ordering - Includes Options Indicated Below
UMDAS THLOG
Remote Temperature Input Logger - 8 Temperature Channels, Alarm Functions, with USB Power Adapter, Cable, and 64MB CompactFlash Card
$695.00

Accessories
None  
CFM 0512
512MB CompactFlash Card - Type I
$60.00
Catalog # Shipping Price (with options) Qty  
UMDAS THLOG 2+ weeks
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