---
product_id: 354992262
title: "Digital Manometer, Air and Gas Pressure Tester, Differential Dual Port Pressure Gauge, Large LCD Display with Backlight Klein Tools ET180"
brand: "klein tools"
price: "R7602"
currency: ZAR
in_stock: true
reviews_count: 5
category: "Klein Tools"
url: https://www.desertcart.co.za/products/354992262-digital-manometer-air-and-gas-pressure-tester-differential-dual-port
store_origin: ZA
region: South Africa
---

# ±1.5% accuracy Auto power-off saves battery Magnetic back for hands-free Digital Manometer, Air and Gas Pressure Tester, Differential Dual Port Pressure Gauge, Large LCD Display with Backlight Klein Tools ET180

**Brand:** klein tools
**Price:** R7602
**Availability:** ✅ In Stock

## Summary

> 🛠️ Elevate your HVAC game with precision and ease — don’t get left behind!

## Quick Answers

- **What is this?** Digital Manometer, Air and Gas Pressure Tester, Differential Dual Port Pressure Gauge, Large LCD Display with Backlight Klein Tools ET180 by klein tools
- **How much does it cost?** R7602 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/354992262-digital-manometer-air-and-gas-pressure-tester-differential-dual-port)

## Best For

- klein tools enthusiasts

## Why This Product

- Trusted klein tools brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Hands-Free Efficiency:** Strong magnetic back lets you secure the device for multitasking without missing a reading.
- • **Clear Readings Anytime:** Large backlit LCD ensures visibility in dim basements or bright job sites, showing min, max, and average values.
- • **Smart Power Management:** Auto power-off extends battery life so your tool is ready when you are—no downtime, no hassle.
- • **Precision You Can Trust:** Measures static & differential pressure with ±1.5% full scale accuracy for HVAC pros who demand exactness.
- • **Versatile Unit Selection:** Switch effortlessly among 11 pressure units to fit any project or client specification.

## Overview

The Klein Tools ET180 Digital Manometer is a professional-grade differential pressure gauge designed for HVAC and gas system diagnostics. It features ±1.5% accuracy over a ±60 inH2O range, a large backlit LCD for easy reading, and a magnetic back for hands-free operation. With 11 selectable units and smart power-saving auto-off, it’s engineered for precision, versatility, and convenience on the job.

## Description

The ET180 Digital Differential Manometer from Klein Tools measures air and gas pressure for port 1, port 2, and measures the differential between the ports. Easily toggle between units: inH2O, bar, oz/in2, psi, mbar, kPa, inHg, mmHg, kg/cm2, ftH20, and cmH2O. Large, backlit LCD shows minimum, maximum and average values. Magnet on back for hands-free operation. Measures P1, P2, and Differential air and gas pressure. Full scale accuracy of +/-1.5%; Range of +/- 60 inH2O. Magnetic back, large Backlit LCD, Hold, and Auto-power off. Large LCD is backlit for easy viewing in low light conditions. Auto-power off feature conserves battery life. Hold button locks current reading on the display. Silicon tubing, 3 x AAA batteries, and storage pouch included. For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857.

Review: Quality and price.
Review: Good product - recommend labeling your ports

## Features

- MEASURE STATIC AND DIFFERENTIAL pressure from two ports in air and gas systems
- MONITOR AND TROUBLESHOOT problems in HVAC Systems with a range of +/- 60 inH2O and full scale accuracy of +/-1.5-Percent
- STRONG MAGNET ON BACK secures manometer for hands-free operation
- ELEVEN UNITS MEASURED: Easily toggle between inH2O, bar, oz/in2, psi, mbar, kPa, inHg, mmHg, kg/cm2, ftH20, and cmH2O
- LARGE BACKLIT LCD provides easy viewing in low light conditions and shows values when toggling between minimum, maximum and average

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B099ZYCV1L |
| Best Sellers Rank | 140,066 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 566 in Pressure & Vacuum Measurement |
| Brand | KLEIN TOOLS |
| Country Of Origin | China |
| Customer Reviews | 4.6 out of 5 stars 583 Reviews |
| Global Trade Identification Number | 00092644693366 |
| Included Components | Manometer, 6.56' (2 m) x 1/8" (3 mm) Inside Diameter Silicon Tubing, 3 x AAA Batteries, Pouch, Instruction Manual |
| Item Dimensions | 6.3 x 3.5 x 15.7 centimetres |
| Item Type Name | Digital Manometer, Air and Gas Pressure Tester, Differential Dual Port Pressure Gauge, Large LCD Display with Backlight Klein Tools ET180 |
| Item Weight | 0.37 Pounds |
| Item dimensions L x W x H | 6.3 x 3.5 x 15.7 centimetres |
| Item weight | 0.37 Pounds |
| Manufacturer | Klein Tools |
| Material | Blend |
| UPC | 092644693366 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** KLEIN TOOLS
- **Item dimensions L x W x H:** 6.3 x 3.5 x 15.7 centimetres
- **Item weight:** 0.37 Pounds
- **Material:** Blend
- **UPC:** 092644693366

## Images

![Digital Manometer, Air and Gas Pressure Tester, Differential Dual Port Pressure Gauge, Large LCD Display with Backlight Klein Tools ET180 - Image 1](https://m.media-amazon.com/images/I/514T-Ymk9JL.jpg)
![Digital Manometer, Air and Gas Pressure Tester, Differential Dual Port Pressure Gauge, Large LCD Display with Backlight Klein Tools ET180 - Image 2](https://m.media-amazon.com/images/I/61Z9iRFybEL.jpg)
![Digital Manometer, Air and Gas Pressure Tester, Differential Dual Port Pressure Gauge, Large LCD Display with Backlight Klein Tools ET180 - Image 3](https://m.media-amazon.com/images/I/61r3RY7UQoL.jpg)
![Digital Manometer, Air and Gas Pressure Tester, Differential Dual Port Pressure Gauge, Large LCD Display with Backlight Klein Tools ET180 - Image 4](https://m.media-amazon.com/images/I/51dIgPByZuL.jpg)
![Digital Manometer, Air and Gas Pressure Tester, Differential Dual Port Pressure Gauge, Large LCD Display with Backlight Klein Tools ET180 - Image 5](https://m.media-amazon.com/images/I/61-PnCScYmL.jpg)

## Questions & Answers

**Q: Will this work to check pressure switches**
A: Yes

**Q: What is the precision in "H2O, 0.01?**
A: + or - 60.32 is the range and the resolution is .01

**Q: There's no how video ofnthis product???**
A: Try YouTube

**Q: What is the difference between p1 and p2? which side is the negative pressure side? i’m resisting sucking on the hose to determine info missing.**
A: Both the same- can be set to use one Or two Or both

## Customer Reviews

### ⭐⭐⭐⭐⭐ Quality and price.
*by A***R on 15 February 2024*



### ⭐⭐⭐⭐⭐ Good product - recommend labeling your ports
*by J***R on 27 October 2025*



### ⭐⭐⭐⭐⭐ Doing my apprenticeship
*by R***D on 22 January 2026*



## Frequently Bought Together

- Klein Tools ET180 Digital Manometer, Air and Gas Pressure Tester, Differential Dual Port Pressure Gauge, Large LCD Display with Backlight
- ZIBOO ASP2 Static Pressure Probes (Two-Pack)
- ZIBOO RMA316 Manometer Tube Adapter, 3/16" to 5/16 Compatible with Fieldpiece JL3KM2 ，SDMN5，SDMN6，ADMN2 Compatible with Klein Tools ET180

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-07*