---
product_id: 525467855
title: "512-2 Manometer for Differential Pressure – Gas Flow and Pressure Measurement on Heating Systems, Air Conditioning, and Ventilation – Digital Manometer 0 to +800 InH2O - App Connectivity"
brand: "testo"
price: "¥155840"
currency: JPY
in_stock: true
category: "Testo"
url: https://www.desertcart.jp/products/525467855-512-2-manometer-for-differential-pressure-gas-flow-and-pressure
store_origin: JP
region: Japan
---

# 0-2000 hPa wide range Smart App integration Audible limit alarm 512-2 Manometer for Differential Pressure – Gas Flow and Pressure Measurement on Heating Systems, Air Conditioning, and Ventilation – Digital Manometer 0 to +800 InH2O - App Connectivity

**Brand:** testo
**Price:** ¥155840
**Availability:** ✅ In Stock

## Summary

> 📊 Elevate your HVAC diagnostics with precision and smart control!

## Quick Answers

- **What is this?** 512-2 Manometer for Differential Pressure – Gas Flow and Pressure Measurement on Heating Systems, Air Conditioning, and Ventilation – Digital Manometer 0 to +800 InH2O - App Connectivity by testo
- **How much does it cost?** ¥155840 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/525467855-512-2-manometer-for-differential-pressure-gas-flow-and-pressure)

## Best For

- testo enthusiasts

## Why This Product

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

## Key Features

- • **Compact Yet Robust:** Lightweight 7 oz design with IP40 protection fits perfectly in your toolkit and tough environments.
- • **Stay Alert, Stay Safe:** Built-in audible alarm warns you immediately when pressure limits are exceeded.
- • **Versatile Pressure Master:** Measures gas flow and static pressure across heating, ventilation, and AC systems with ease.
- • **Seamless Smart Connectivity:** Sync measurements instantly with the testo Smart App for real-time data tracking and documentation.
- • **Precision at Your Fingertips:** 0.5% full-scale accuracy ensures you never miss a detail.

## Overview

The testo 512-2 is a compact, highly accurate digital manometer designed for differential gas pressure measurement in heating, ventilation, and air conditioning systems. Featuring a broad measuring range up to 2000 hPa, 0.5% accuracy, and a position-independent sensor, it delivers reliable results. Its smart app connectivity allows seamless data visualization, storage, and documentation, while an audible alarm ensures safety by alerting users when pressure limits are surpassed. Powered by 3 AA batteries with up to 120 hours of operation, it’s a versatile, professional-grade tool for modern HVAC technicians.

## Description

Testo 512-2 - Digital differential pressure measuring instrument with App connectionMeasuring gas flow and static gas pressure on heating systems, as well as checking filters on air conditioning systems has never been simpler and faster before. The testo 512-2 differential pressure measuring instrument provides the ideal solution and convinces with highly accurate measurement results of up to 2000 hPa.The manometer gas pressure tester with its compact size of 6 x 2 x 1 in. and the supporting testo Smart App offer many useful functions like configuration, graph history, display and storage as well as documentation of the measured values.Testo is a world leader in the design, development, and manufacture of portable test and measurement instrumentation and solutions. Backed by 60 years of measuring engineering experience, our mission is to provide the best quality, service, and value in the industry.Technical Details:Measuring range: 0 to +800 InH₂O / 0 to +2000 hPaAccuracy: 0.5 % FsResolution: 0 InH₂O / 1 hPaDimensions: 6 x 2 x 1 in. / 146 x 60 x 28 mmOperating temperature: -4 to +122 °F / -20 to +50 °CHousing: ABS + PC / TPEProtection class: IP40Battery type: 3x AABattery life: 120 hStorage temperature: -4 to +122 °F / -20 to +50 °CWeight: 7 oz. / 191 gScope of delivery:testo 512-2, Transport bag, Connection hose made of silicone, Calibration protocol, 3 x AA batteries

## Features

- CONVENIENT; Testo’s 512-2 manometer gas pressure tester allows for simple and precise measurement on heating systems, air conditioning, and ventilation with a large measuring rate from 0 to 2000 hPa / 0 to +800 InH2O
- VERSATILE; The natural gas pressure tester is highly flexible, making it ideal for various applications. It efficiently measures gas flow and static pressure on burners and checks filters on air conditioning systems with speed and precision
- ACCURATE; The position-independent gas pressure sensor ensures reliable and highly accurate measurement results as well as a timed and point mean value calculation
- WARNING SYSTEM; For a particularly convenient and care-free application, the digital manometer will warn you with an audible alarm if the limit value is exceeded
- APP CONNECTION; Conveniently display graph history, and view, store, and document all measured values directly from your gas pressure regulator on your Smartphone and Tablet, or use them as a second display

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BT29MK8F |
| Batteries | 3 AA batteries required. (included) |
| Best Sellers Rank | #282,254 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #82 in Manometers |
| Date First Available | January 25, 2023 |
| Item Weight | 6.7 ounces |
| Item model number | testo 512-2 |
| Language | English |
| Manufacturer | Testo |
| Product Dimensions | 5.75 x 2.36 x 1.1 inches |

## Product Details

- **Brand:** Testo
- **Item Weight:** 191 Grams
- **Item dimensions L x W x H:** 5.75 x 2.36 x 1.1 inches
- **Manufacturer:** Testo
- **Material:** Plastic

## Images

![512-2 Manometer for Differential Pressure – Gas Flow and Pressure Measurement on Heating Systems, Air Conditioning, and Ventilation – Digital Manometer 0 to +800 InH2O - App Connectivity - Image 1](https://m.media-amazon.com/images/I/51qorBi32EL.jpg)

## Frequently Bought Together

- Testo 512-2 Manometer for Differential Pressure – Gas Flow and Pressure Measurement on Heating Systems, Air Conditioning, and Ventilation – Digital Manometer 0 to +800 InH2O - App Connectivity
- Pure Silicone Tubing - 1/8" ID x 1/4" OD - High Temp Kink-free Hose Tube 500F (10 Feet)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-20*