We offer a wide range of accessories that make installation and day-to-day operation of our instruments even easier.
Power Supplies
Model 900 T1 This 110 VAC power supply is designed to operate Sierra’s Model 600 and Model 730 from our Light Industrial Product Line. It is supplied with an 8-foot cable and the appropriate connector for direct connection to the instrument.
Model 820 T5
This 110 VAC power supply is designed to operate any of Sierra’s 820 Series products from our Economical Mass Flow Meter & Controller Product Line. It includes a plug that mates to the receptacle in the flow meter and generates the proper 15 VDC power for these instruments.
Model 820 T6
This 230 VAC power supply is designed to operate any of Sierra’s 820 Series products from our Economical Mass Flow Meter & Controller Product Line. It includes a plug that mates to the receptacle in the flow meter and generates the proper 15 VDC power for these instruments.
Model 100 T8D
This dual-voltage (110/230 VAC) power supply is designed to operate any Sierra 100 Series from our Digital Mass Flow Meter and Controller Product Line. It includes a D-connector that mates to the connector on the 100 Series and generates a very clean 24 VDC for these instruments.
Model 100 T8F
This dual-voltage (110/230 VAC) power supply is designed to operate any Sierra 100 Series from our Digital Mass Flow Meter and Controller Product Line. It includes bare wires that can be connected to the appropriate power terminals on the 100 Series and generates very clean 24 VDC for these instruments. This supply is designed for users who will supply their own D-connector or who purchase a 100 Series control cable from Sierra.
Sierra offers customers a wide variety of cables to power, read and control all of our instruments. Why struggle with soldering and crimping when we can supply you with the ideal cable in almost any length you desire. If we don’t have the cable in stock, we will custom manufacture it to your specifications. Please contact Sierra today with your requirements (email: service@sierrainstruments.com)
Process Connection Accessories
Model 640S process connections
The Model 640S M1 fitting consists of ¾” probe feedthough by 1” male NPT pipe connection. Available as weldolet (specify pipe ID) or threadolet.
Model 620S process connections
The Model 620S M1 fitting consists of 3/8” probe feedthough by ½” male NPT pipe connection. Available as weldolet (specify pipe ID) or threadolet.
Control Valves
Model VO-L
Suitable for up to 100 slpm, this stand-alone solenoid valve may be used for any gas flow application requiring a fast-acting valve without hysteresis. This valve requires 15 to 30 VDC power at 200mA.
Model VO-H
Suitable for up to 500 slpm, this stand-alone solenoid valve may be used for any gas flow application requiring a fast-acting valve without hysteresis. This valve requires 30 VDC power at 800 mA.