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Product Description

● Multiple input types to choose from:
1) Thermocouple: K、J、R、S、B、E、N、T、W5RE/W6RE、PL‖、U、L
2) Thermal resistance input for temperature measurement: PT100、JPT100
3) Branch voltage: DC0——DC5V，DC1——DC5V
4) Branch current: DC0-20mA, DC4-20mA (requires an external resistor of 250 ohms)

Specific analysis:

CD901 has multiple types of alarms: upper limit input value, lower limit input value, upper limit error, lower limit error, upper and lower limit errors, upper limit set value within the range, lower limit set value (with standby measures available)
CD901 sampling cycle: 0.5s
CD901 measurement accuracy: Thermocouple: ± (0.3%+1 digit of visible value) or ± 2 degrees Temperature measurement resistance: ± (0.3%+1 digit of visible value) or ± 0.8 degrees Branch voltage/current input: ± (0.3%+1 digit of visible value)
● Control output: Relay contact output: 1c contact (AC250 3A) resistor load voltage pulse output: Surrounding temperature below 40 degrees Celsius
● Optional heater disconnection alarm and control ring disconnection alarm

● Optional 2-wire RS-485 communication.