Mid-West Model 122 Piston Type Differential Pressure Gauge, 5 – 100 PSID

ABLE Instruments are Mid-West Instrument’s Official Representative for Sales and Service in the UK and Ireland, including the Model 122 Piston Type Differential Pressure Gauge (0-5 to 0-100 PSID or equivalent). The Model 122 Piston Type Differential Pressure Gauge from Mid-West Instrument is designed as an affordable entry-level solution for various industrial applications, providing dependable performance at a competitive price. With a full-scale accuracy of ±5%, the Model 122 offers differential pressure dial scales ranging from 0-5 PSID to 0-110 PSID, making it suitable for a wide range of measurement needs. Although it has fewer options compared to the Model 120, it still includes essential features that ensure reliable operation and durability.

This gauge incorporates a rugged piston-type sensing element housed in a glass-reinforced thermoplastic dial case, which is panel mountable. An anodized aluminium dial case option is also available. The Model 122 is designed to withstand harsh environments, being both weather-resistant and corrosion-resistant. It features a shatter-resistant lens and offers over-range protection for both high and low pressures, ensuring longevity and safety in demanding conditions. The gauge also comes with a five-year warranty, underscoring its reliability and robust construction.

Features:

• Competitively priced
• Durable piston-type design sensing element
• Panel-mountable dial case made from glass-reinforced thermoplastic (optional anodised aluminium dial case available, contact sales for details)
• Weather-resistant and corrosion-resistant
• Shatter-resistant lens
• Over-range protection for High over Low and Low over High

Have a particular application / project in mind? We’d welcome a call on +44 (0) 1189 169 420, or email us now at [email protected]

Specifications for the Model 122 include available dial sizes of 2-1/2”, 3-1/2”, 4-1/2”, and 6” diameters, with differential full-scale ascending accuracy of ±5% (ASME B40.1 Grade D). The dial scale ranges from 0-5 PSID to 0-100 PSID (0-.35 bar to 0-7.0 bar) and can be configured in various scales, including Bar, Mbar, kPa, Kg/Cm2, and dual scale options. It operates effectively in temperatures from -40°F to +200°F (-40°C to +93°C) and can handle working pressures up to 3000 PSIG (300 Bar). The body is constructed from aluminium, with internal wetted parts made of 316 stainless steel and ceramic magnets.

Common applications for the Model 122 include filter and strainer monitoring, compressed air systems, hydraulic systems, refrigerant monitoring, pump performance testing, and heat exchanger pressure drop monitoring. Its cost-effectiveness, combined with essential features and reliable performance, makes the Model 122 an excellent choice for entry-level differential pressure measurement needs. Order online now to take advantage of its competitive pricing and robust capabilities.

What are the electrical switch specifications? The Mid-West Instrument Model 122 Clamp-On switches offer adjustability, enabling customers to set the switch within a specific adjustment range of the instrument. Additionally, Mid-West can preset switch set points upon request. These switches operate without requiring power and come with several output options:

• SPDT 3W, 0.25 Amp, 125 VAC/VDC
• SPST 60W, 3.0 Amp, 240 VAC/VDC (Normally Open)
• SPDT 60W, 1.0 Amp, 240 VAC/VDC

All switch options are CE marked in accordance with Low Voltage and RoHS Directives.

Model 122 Specifications: