The S1816 Series continuous monitoring particle counter has been designed from the ground up to meet the requirements of the pharmaceutical industry. Housed in an IP65 sealed stainless steel enclosure, the instrument is ideal for use in clean rooms and within equipment such as isolators or filling machines. Quick release connectors for vacuum and power/communications allow the unit to be quickly removed for service or calibration. The particle counter sensor itself features a 10-year MTBF laser diode and has integral flow measurement to ensure that you get reliable counts or a clear indication of flow failure if a cap is left on following sanitisation. The S1816 series supports both Ethernet (Modbus TCP) and RS485 serial (Modbus RTU) communications.
The S1816VS uses Modbus RTU serial RS485 protocol using standard CAT5 cabling and accessories, with spare cores used to carry power to the counter. These units do not require to be re-programmed with an address when being swapped because the address is provided by the control assembly located outside of the clean room. This allows the particle counter to be changed by clean room staff, ensuring that production continues with the absolute minimum down time.
The S1816VE model uses Modbus TCP protocol over CAT5 Ethernet cable with the power supplied through spare cores. This model is not directly swappable as it requires to be programmed with a unique IP address per location. This model requires the PA4500E-xxxx Control Assembly.
The PA4500S-xxxx Control Assembly houses a power supply, control electronics and vacuum pumps and can greatly simplify on-site installation. A single Ethernet cable runs from the PC to the Control Assembly that provides control and power for up to four particle counters. Between one and four vacuum pumps can be mounted on the base of the Control Assembly, which provides the address mapping for up to four S1816VS particle counters. The application requirements determine which pumps will be used. Smaller pumps will be installed for applications that require individual particle counter control and medium to larger pumps for groups of particle counters which are controlled together.
Optional wall plates and umbilicals with quick release connectors are also available.
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