OM-USB-TEMP-AI User's Guide
4
Open-thermocouple detection (OTD) ......................................................................................................................................19
RTD and thermistor measurements ........................................................................................................................ 19
Data linearization......................................................................................................................................................................20
USB connector......................................................................................................................................................... 20
LED.......................................................................................................................................................................... 20
Power ....................................................................................................................................................................... 20
Chapter 5
Specifications............................................................................................................................................ 21
Analog input ............................................................................................................................................................ 21
Channel configurations ........................................................................................................................................... 23
Compatible sensors: T0x-T3x ..................................................................................................................................................24
Accuracy .................................................................................................................................................................. 24
Thermocouple measurement accuracy: T0x-T3x....................................................................................................................24
Semiconductor sensor measurement accuracy: T0x-T3x .......................................................................................................25
RTD measurement accuracy: T0x-T3x....................................................................................................................................25
Thermistor measurement accuracy: T0x-T3x..........................................................................................................................26
Absolute Accuracy: V0x-V3x..................................................................................................................................................27
Settling time: V0x-V3x ............................................................................................................................................................28
Analog input calibration.......................................................................................................................................... 28
Throughput rate ....................................................................................................................................................... 28
Digital input/output ................................................................................................................................................. 29
Counter..................................................................................................................................................................... 29
Memory.................................................................................................................................................................... 30
Microcontroller........................................................................................................................................................ 30
USB +5V voltage .................................................................................................................................................... 30
Power ....................................................................................................................................................................... 30
USB specifications .................................................................................................................................................. 30
Current excitation outputs (±Ix, T0x-T3x) ............................................................................................................. 31
Environmental ......................................................................................................................................................... 31
Mechanical............................................................................................................................................................... 31
Screw terminal connector type and pin out ............................................................................................................ 32
Screw terminal pin out..............................................................................................................................................................32