Thermal relay with digital display РТ4010

Purpose:

The thermal relay measures and displays temperature and issues signals to control equipment.

The measured temperature is shown on a three-digit display.
An extra digit to show negative temperatures.
One or two output relays, depending on the version, each with changeover contacts, so control signals can be issued at different measured temperatures.
Programmable trip thresholds on two independent channels.
Operation can be programmed on falling or rising temperature.
A PWM signal can be output through an opto-coupler with an n-p-n or triac output, with the required control characteristic.
Versions for various temperature sensors: — platinum, copper and nickel resistance thermometers; — NTC thermistors and PTC posistors; — type E, J, K, N, R, S and T thermocouples; — p-n junction sensors.
Versions for two-, three- and four-wire sensor connection.
Password protection against unauthorised reprogramming of the trip thresholds.
Powered from a DC or AC supply.
Galvanic isolation between the measuring input, the supply input and the output contacts.
Data exchange and control over RS485 using the Modbus protocol.