---
product_id: 58752268
title: "Mid-West 140-AC-00-OO-100P Differential Pressure Gauge with Aluminum Body and 316 Stainless Steel Internals, Diaphragm Type, 3/2/3% Full Scale Accuracy, 4-1/2\" Dial, 1/4\" FNPT Back Connection, 0-100 psid Range, 3000 psig SWP"
brand: "mid-west instrument"
price: "$1673"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/58752268-mid-west-140-ac-00-oo-100p-differential-pressure-gauge
store_origin: NZ
region: New Zealand
---

# Over Range Protection to 3000 psig 316 Stainless Steel Internals Weather Resistant Construction Mid-West 140-AC-00-OO-100P Differential Pressure Gauge with Aluminum Body and 316 Stainless Steel Internals, Diaphragm Type, 3/2/3% Full Scale Accuracy, 4-1/2" Dial, 1/4" FNPT Back Connection, 0-100 psid Range, 3000 psig SWP

**Brand:** mid-west instrument
**Price:** $1673
**Availability:** ✅ In Stock

## Summary

> 📊 Gauge Your Success with Unmatched Precision & Durability!

## Quick Answers

- **What is this?** Mid-West 140-AC-00-OO-100P Differential Pressure Gauge with Aluminum Body and 316 Stainless Steel Internals, Diaphragm Type, 3/2/3% Full Scale Accuracy, 4-1/2" Dial, 1/4" FNPT Back Connection, 0-100 psid Range, 3000 psig SWP by mid-west instrument
- **How much does it cost?** $1673 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/58752268-mid-west-140-ac-00-oo-100p-differential-pressure-gauge)

## Best For

- mid-west instrument enthusiasts

## Why This Product

- Trusted mid-west instrument brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Safety First, Always:** Over range protection up to full rated working pressure (3000 psig) prevents damage and downtime
- • **Precision You Can Trust:** 3/2/3% Full Scale Accuracy ensures reliable readings every time
- • **Crystal Clear Visibility:** Shatter resistant 4-1/2" acrylic lens keeps your data visible and safe
- • **Built to Brave the Elements:** Weather resistant aluminum body and engineered plastic case for durability in any environment
- • **Versatile & Ready for Action:** Ideal for wet gas, dissimilar fluids, and high solids concentration applications with 5-year warranty

## Overview

The Mid-West 140-AC-00-OO-100P Differential Pressure Gauge combines a rugged aluminum body with 316 stainless steel internals and a diaphragm sensor for precise pressure monitoring. Featuring a 4-1/2" shatter resistant acrylic dial, weather resistant construction, and over range protection up to 3000 psig, it’s engineered for demanding industrial environments. With 3/2/3% full scale accuracy and a 5-year warranty, it’s the go-to gauge for professionals monitoring filters, pumps, heat exchangers, and more.

## Description

Mid-West Instrument diaphragm type differential pressure gauge. Weather resistant construction standard. Over range protection to full rated working pressure. Shatter resistant acrylic lens. Ideally suited for use on dissimilar fluids and wet gas or fluids with a high concentration of solids. Five year limited warranty. Total separation of high and low pressures by a Convoluted Elastomer Diaphragm. Sensor magnetically coupled to the indicating pointer and optional switches. Common applications: filter/strainer monitoring, compressed air, hydraulic, refrigerant, pump performance testing, heat exchanger pressure drop monitoring, water treatment applications, tank level monitoring horizontal or vertical, flow monitoring and balancing. Two times rated working pressure at ambient temperature. Aluminum body material. 316 Stainless steel internal metal part. Buna-N seal material. 1/4-inches FNPT back connections, 4-1/2-inches uni-directional round dial, weather resistant engineered plastic case, accuracy +/-2 percent full scale (ascending). Teflon guide bushings.

## Features

- Weather resistant construction standard
- Over range protection to full rated working pressure
- Shatter resistant acrylic lens
- Ideally suited for use on dissimilar fluids and wet gas or fluids with a high concentration of solids
- Five year limited warranty

## Product Details

- **Brand:** Mid-West Instrument
- **Material:** Engineered Plastic
- **Manufacturer:** Mid-West Instrument

## Images

![Mid-West 140-AC-00-OO-100P Differential Pressure Gauge with Aluminum Body and 316 Stainless Steel Internals, Diaphragm Type, 3/2/3% Full Scale Accuracy, 4-1/2" Dial, 1/4" FNPT Back Connection, 0-100 psid Range, 3000 psig SWP - Image 1](https://m.media-amazon.com/images/I/71bdJQVI6zL.jpg)

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**Shop now:** [https://www.desertcart.nz/products/58752268-mid-west-140-ac-00-oo-100p-differential-pressure-gauge](https://www.desertcart.nz/products/58752268-mid-west-140-ac-00-oo-100p-differential-pressure-gauge)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-22*