This manual provides installation, wiring, operation, menu navigation, calibration steps, and troubleshooting instructions for the Signet 9900 transmitter.
The Signet 9900 is a versatile single-channel interface transmitter belonging to the SmartPro family. It supports various measurements including flow, pH/ORP, conductivity/resistivity, salinity, pressure, temperature, level, dissolved oxygen, and batch applications. The device operates on a power supply of 10.8-35.2VDC (rated at 24 VDC) and can be installed either flush-mounted or in the field. This manual is written in Chinese.
The device operates on a power supply of 10.8-35.2VDC, with a rated voltage of 24 VDC.
The dry contact relays can switch up to 250V at a maximum of 5A resistive load (AC).
No, when using only loop power, an external DC supply is still required for the conductance module to operate.