description:
The circuit shown can be used for remote thermocouple sensing applications. The TC913A auto-zeroed op amp was chosen because of its low VOS (up to 15mV) and up to 116dB (typ) CMRR. Auto-zero, chopper and instrumentation amplifiers are good thermocouple amplifiers due to their good VOS and CMRR specifications. The input of the thermocouple is connected to the positive and negative supplies through a 10M? resistor, so the circuit can detect an open circuit fault of the thermocouple. The amplifier gain is chosen to be 249, which provides a temperature coefficient (TC) of 10mV/°C.
The above are some of the circuits, see the PDF document for details!
Ethylene-Propylene-Diene Monomer
EPDM Rubber Cold Shrink Tube is a kind of equipment used on power and communication cables indoor, outdoor, overhead, in water or buried.
EPDM rubber is a terpolymer of ethylene, propylene and non-conjugated diolefin.EPDM rubber has excellent mechanical properties, puncture resistance and high tear resistance, weather resistance, ultraviolet resistance, ozone aging resistance, acid and alkali resistance, salt spray corrosion resistance, resistance to high and low temperatures of up to -55 ℃ ~ +150 ℃, it is the ideal sealing material for communication cables, coaxial cables, and medium and low-voltage power cables.
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