Press Release Summary:
Model 121 Indicating Differential Pressure Switch features heavy-duty industrial type terminal strip and Â½ in. NPT conduit interface. Switching configurations are available with 1 or 2 hermetically sealed switches in SPST, SPDT configuration with 240 V, 3 W, or 60 W ratings. With working pressure of 6,000 psig, unit is available in ranges from 0-5 psid to 0-110 psid with Â±2% accuracy. It is available in aluminum or 316 SS pressure housing with 316 SS and ceramic internal parts.
Original Press Release:
New, Heavy Duty, Indicating Differential Pressure Switch
The new, model 121 Indicating Differential Pressure Switch is a heavy -duty version of the very successful Model 120 and features the rugged, field-proven piston/housing design of the 120. In addition, model 121 has a heavy-duty industrial type terminal strip for either one or two switches.
Wiring is easy with ½" NPT conduit interface and a removable cover.
A variety of switching configurations is available with one or two hermetically sealed switches in SPST, SPDT configuration with 240 volt, 3 Watt or 60 Watt ratings.
The model 121 is available in aluminum or 316 S.S. pressure housing with 316 S.S. and ceramic internal parts. Safe Working Pressure is 6000 PSIG (0-400 bar). 121 Models are available in differential pressure ranges from 0-5 PSID (0-.3 bar) to 0-110 PSID (0-7 bar) with ± 2% accuracy. The weather resistant gauge front is of reinforced engineered plastic for corrosion resistance.
Rugged, field proven design of 120
Terminal strip for 1 or 2 switches
Variety of Switch configurations
Aluminum or 316 SS
5 year warranty standard
For More Information Contact:
Fred Lueck, President, Mid-West Instrument
6500 Dobry Dr., Sterling Heights, MI 48314, Ph: 586-254-6500
Fax: 586-254-6509, Toll Free: 800-648-5778,