Cold Junction Thermocouple Box
The SoMat Cold Junction Thermocouple Box (ECJTB) is an accessory for the eDAQ and eDAQlite NTB layers.
ENTB
ENTB
The Somat eDAQ Non-Isolated Thermocouple Layer (ENTB) measures temperatures on 32 channels of non-isolated thermocouple signal conditioning. Thermocouples come in several styles of dissimilar metals, or calibrations; and the ELNTB is compatible with the four most common calibration types (J, K, T and E). Each channel is individually software-selectable between these calibrations.
Since 16 channels (x2) share a common cold junction, the ENTB has excellent channel-to-channel accuracy. This is particularly valuable when measuring things such as thermal gradients.
In addition to the ENTB layer, (2) Somat Cold Junction Thermocouple Boxes (ECJTB) are required for the thermocouple termination.
Product Specifications
Physical
Size: 9.2″W x 9.7″L x 1.3″H (23cmW x 25cmL x 3.3cmH)
Weight: 4.4lbs (2.0kg)
Temperature: -20° to 65° C
Connectors: (2) 37 Pin High Density D-Sub
Inputs
Accuracy:
Cold Junction Compensation: +/- 0.5° C
Thermocouple (Channel to Channel on the CJC): +/- 0.1° C (not including thermocouple inaccuracies)
Resolution: 16-bit ADC
Sample Rates: Independently Set, 0.1Hz-5Hz
Filtering: Guard Filters are used before the ADC on each channel, followed by digital filtering.
Thermocouple Types:
| Type | Range |
| K Type | -200° C to 1372° C |
| T Type | -200° C to 400° C |
| E Type | -200° C to 1000° C |
| J Type | -200° C to 1200° C |
Thermocouple Termination: Thermocouples are terminated in 16-channel Cold Junction Boxes.
Includes
(2) CBL-0007-00 Cables
Requires
(2) 16-channel Somat Cold-Junction Thermocouple Boxes
Cables and Accessories
Cold Junction Thermocouple Box, Type E-16
The SoMat Cold Junction Thermocouple Box, Type E-16 (ECJTB-16-E) is an accessory for the eDAQ and eDAQlite NTB layers.
Cold Junction Thermocouple Box, Type J -16
The SoMat Cold Junction Thermocouple Box, Type K – 16 (ECJTB-16-K) is an accessory for the eDAQ and eDAQlite NTB layers.
Cold Junction Thermocouple Box, Type K – 16
The SoMat Cold Junction Thermocouple Box, Type K – 16 (ECJTB-16-K) is an accessory for the eDAQ and eDAQlite NTB layers.
Cold Junction Thermocouple Box, Type K – 32
The SoMat Cold Junction Thermocouple Box, Type K -32 (ECJTB-32-K) is an accessory for the eDAQ ENTB and eDAQlite ELNTB layers.
Cold Junction Thermocouple Box, Type T – 16
The SoMat Cold Junction Thermocouple Box, Type T – 16 (ECJTB-16-T) is an accessory for the eDAQ and eDAQlite NTB layers.
Extension Cable, HD D-Sub M/M (2m)
The SoMat Extension Cable, HD D-Sub M/M (2m) (CBL-0007-00) is a high-quality, pre-molded cord set with Male/Male 37-Pin HD D-Sub connectors.
E-AC/15 – 15-Volt Power Supply
The E-AC/15 is a high-quality 15 volt DC power supply that provides power to an eDAQ or eDAQlite from a standard 120/240 volt supply.
Software and Firmware Downloads
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