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Omega OM-USB-TC 8 Channel Thermocouple Input USB Data Acquisition Module**USB Data Module new in seal package in Box with cable. Buyer can expect a working item. See photos for further details.The OM-USB-TC is a USB 2.0 full-speed, thermocouple input module that is supported under popular Microsoft Windows operating systems e OMB-DAQ-2416 Series and OM-USB. Series Software Users Guide. The OM-USB-TC is fully compatible with both USB 1.1 and USB 2.0 ports. The OM-USB-TC provides eight differential thermocouple input channels. Eight independent, TTL-compatible digital I/O channels are provided to monitor TTL-level inputs, communicate with external devices, and to generate alarms. The digital I/O channels are software programmable for input or output. With the OM-USB-TC, you can take measurements from type J, K, R, S, T, N, E, and B thermocouples. The OM-USB-TC provides two integrated cold junction compensation (CJC) sensors for thermocouple measurements. An open thermocouple detection feature lets you detect a broken thermocouple. An on-board microprocessor automatically linearizes the measurement data. The OM-USB-TC is a standalone plug-and-play module which draws power from the USB cable. No external power supply is required. All configurable options are software programmable.SpecificationsParameterFour dual 24-bit, Sigma-Delta typeNumber of channels8 differentialInput isolation500 VDC minimum between field wiring and USB interfaceChannel configurationDifferential input voltage rangeThermocouple sensor type:0.080 VAbsolute maximum inputvoltage 25 V power on, 40 V power offInput impedance 5 Gigohm, min.Input leakage current Open thermocouple detect enabled:105 nA max.Normal mode rejection ratio fIN = 60 Hz /90 dB minCommon mode rejection ratio fIN = 50 Hz/60 Hz /100 dB min.Resolution 24 bitsInput coupling DCWarm-up time 30 minutes minOpen thermocouple detect Automatically enabled when the channel pair is configured for thermocouple sensors.The maximum open detection time is 3 secondsCJC sensor accuracy 15 C to 35 C /0.25 C typ / 0.5 C max.CJC sensor accuracy 0 C to 70 C /-1.0 to +0.5 C maxAdditional Prep Fees May Apply