Mid-West Instrument - Product Announcements

Model 555A with three color bands quickly identify pressure drop across element.

DP Ranges Available 0-3.5 PSID through 0-43 PSID (read more)

Model 115 "Cryogenic"
Diaphragm-Type Differential Pressure Gauge
Range 0-10" H2O (0-25 mbar) to 0-50" H2O (0-125 mbar)

Drop in replacement for Barton Gauges, and Prime Measurement. (read more)

Model 116 "Cryogenic"
Bellows-Type Differential Pressure Gauge
Range 0-50" H2O (0-125 mbar) to 0-600" H2O (0-1.5 bar)

Drop in replacement for Barton Gauges, and Prime Measurement. (read more)

Precision differential pressure bellows type gauge and Switch for Flow, Liquid Level, Balancing Leak Detection, Etc.

Range: 0-10" H2O (0-25 mbar) to 0-80" H2O (0-200 mbar) (read more)

Precision differential pressure bellows-type gauge and Switch for Flow, Liquid Level, Balancing Leak Detection, Etc.

Range: 0-80" H2O (0-200 mbar) to 0-400" H2O (0-1 bar) (read more)

The Model 109 encapsulated bourdon tube design provides a simple, compact, and accurate diferential pressure indicator. Ideal for Flow, Liquid Level Balancing, Leak Detection etc. (read more)

Competitively priced, piston type differential pressure gauges and switches for use on filters, strainers, pumps, liquid level, and local flow indication, etc. (read more)

A low cost differential pressure indicating switch or transmitter for use in measuring the pressure drop across filters, strainers, separators, valves, pumps, chillers etc., and for local flow indication and control. (read more)

"Filter Minder" Piston-Type Differential Pressure Gauge. Competitively priced for use on filters, strainers, pumps, liquid level and local flow indication etc. (read more)

Piston Type Differential Pressure Gauge

High Working Pressure: 10,000 PSIG

Available ΔP Ranges:

0-5 PSID (0-0.35 bar) to 0-110 (0-7.0 bar)

0-150 PSID (0-10.3 bar) to 0-400 (0-27.6 bar) (read more)

The Model 130 diaphragm isolated Differential Pressure Switch is CSA Certified to both the Canadian and U.S. Standards and U.L. Listed to the U.S. Standards. The entire assembly is Certified for use in Class I, Division 1, Groups C, D; Class II, Division 1, Groups E, F, & G Hazardous locations. The entire gauge and the switch is enclosed in a rugged flameproof enclosure. (read more)

Competitively priced, high performance quality differential pressure gauges and switches to meet all of your differential pressure measurement and switching requirements. (read more)

The Model 142 is diaphragm isolated and can sense differential pressures for ranges 0-20" H2O thru 0 - 25 PSID all with a 3-2-3% Full Scale accuracy. The Model 142 is ideally suited for use on dissimilar fluids, wet gas, or fluids with a high concentration of solids, etc. (read more)

The Model 150 "Vari-Damp®" all purpose pulsation dampener features both a fine thread needle valve for adjusting dampening characteristics and a Precision Controlled Flow Rate Ball Check to block line surges, shock waves, or fluid hammer. This adjustment can be performed with the unit pressurized. (read more)

The Model 200 "Gauge Minder" features a pressure limiting valve that blocks off excess pressure to the instrument, preventing calibration failure, internal damage, and "blowout" from over-ranging - a principal cause of instrument failure. (read more)

Competitively priced, quality differential pressure gauges and switches for use in measuring the pressure drop across filters, strainers, separators, valves, and pumps in Hazardous Locations. (read more)

Hazardous Location Indicating / Non-Indicating Differential Pressure Switch, CSA & UL certifed to Class I, Division I, Groups B, C, & D, Class II, Division I, Groups E, F, & G. ATEX rated EEx d IIB + H2 (read more)

The Model 300 Series Inline Delta Tube Flow Element may be used for the measurement of flow in pipe lines from 1/2" NPS through 3" NPS. The Model 300 Series utilizes two averaging flow elements of equal area to sense stagnation (RAM) and static differential pressure providing minimum permanent pressure loss. (read more)

Models 126 & 127 OEM Differential Pressure Indicator/Switch Low Cost, 5% Accuracy (read more)

Model 146 OEM Differential Pressure Indicator/Switch Low Cost, 5% Accuracy (read more)

The Model 444 Series Differential Pressure Indicator offers a simple, yet functional design for use with filters, strainers, etc. This low cost indicator makes the perfect alternative to more costly Differential Pressure Gauges where readability, small size and price are important considerations. (read more)

Mid-West Instrument Launches New Diaphragm Isolated Differential Pressure Gauge for the OEM Market. (read more)

Model 555 OEM Differential Pressure Indicator/Switch Engineered Plastic, Low Cost, 5% Accuracy (read more)