Instruments & Controls
![8900: Relay Accessory](/sites/default/files/styles/list/public/images/product/default/3-8900.403-1%20Module.jpg?itok=41CLeK10)
Relay modules are optional when building an 8900. Relay modes of operation include off, low, high, window, USP, totalizer volume, advanced, proportional pulse, pulse width modulation, volumetric pulse.
![9900: Controller - Panel Mount](/sites/default/files/styles/list/public/images/product/default/3-9900-1BC.jpg?itok=GSb0F387)
The Signet 9900 Transmitter provides a single channel interface for many different parameters including Flow, pH/ORP, Conductivity/Resistivity, Salinity, Pressure, Temperature, Level, Dissolved Oxygen, and other sensors that output a 4 to 20 mA signal. The 9900 offers complete flexibility, plug-in modules allow the unit to easily adapt to meet changing customer needs. The Signet 9900-1BC Batch Controller system provides control capability and process fine tuning. Designed for a variety of batch applications, the 9900-1BC can save up to 10 batch sizes for batching or blending a variety of liquid volumes.
![9900: Relay Accessory](/sites/default/files/styles/list/public/images/product/default/3-9900.393.jpg?itok=ApkBTNpn)
Relay Module. This module adds two programmable dry-contact relays to the standard Open Collector output in the base unit.
![9950: Relay Accessory](/sites/default/files/styles/list/public/images/product/default/3-9950.393-1.jpg?itok=jAT2e5Tt)
Relay Module.This module adds two programmable dry-contact relays to the standard Open Collector output in the base unit.