---
product_id: 12564743
title: "TPI 621 Dual Differential Input Manometer, 5 Digit LCD, +/-0.5 percent Accuracy, 0.01\" H2O Resolution, +/-120\" H2O Range"
brand: "tpi"
price: "1467.26 DT"
currency: TND
in_stock: true
reviews_count: 2
url: https://www.desertcart.tn/products/12564743-tpi-621-dual-differential-input-manometer-5-digit-lcd-0
store_origin: TN
region: Tunisia
---

# +/-120" H2O Range +/-0.5% Accuracy 0.01" H2O Resolution TPI 621 Dual Differential Input Manometer, 5 Digit LCD, +/-0.5 percent Accuracy, 0.01" H2O Resolution, +/-120" H2O Range

**Brand:** tpi
**Price:** 1467.26 DT
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate Your Measurement Game!

## Quick Answers

- **What is this?** TPI 621 Dual Differential Input Manometer, 5 Digit LCD, +/-0.5 percent Accuracy, 0.01" H2O Resolution, +/-120" H2O Range by tpi
- **How much does it cost?** 1467.26 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/12564743-tpi-621-dual-differential-input-manometer-5-digit-lcd-0)

## Best For

- tpi enthusiasts

## Why This Product

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

## Key Features

- • **Trim Mode for Stability:** Utilize the trim mode to stabilize readings, ensuring you get the most accurate data every time.
- • **Temperature Compensation:** Enjoy reliable, repeatable measurements with built-in temperature compensation for consistent performance.
- • **Designed for Professionals:** Ideal for high-efficiency gas and oil-fired furnaces and condensing boilers, making it a must-have for industry experts.
- • **Versatile Measurement Units:** Switch effortlessly between seven pressure units, including inH2O, mbar, and PSI, to suit your needs.
- • **Precision at Your Fingertips:** Experience unmatched accuracy with a 0.01" H2O resolution, perfect for fine-tuning your systems.

## Overview

The TPI621 Dual Differential Input Manometer is engineered for precision with a 5-digit LCD display, offering +/-0.5% accuracy and a resolution of 0.01" H2O. It features a wide measurement range of +/-120" H2O and is equipped with temperature compensation and a trim mode for stable readings, making it essential for professionals working with high-efficiency gas and oil-fired furnaces and condensing boilers.

## Description

TPI 621 Dual Differential Input Manometer, 5 Digit LCD, +/-0.5 percent Accuracy, 0.01" H2O Resolution, +/-120" H2O Range

## Features

- High efficiency gas and oil fired furnaces along with condensing boilers require a manometer with 0.001 inches of water resolution to make proper adjustments
- 0.001 inH2O resolution at less than 40 inH2O; 0.01 inH2O resolution over 40 inH2O
- Temperature compensated to ensure repeatable measurements
- Seven units of pressure: inH2O, mbar, KPa, PSI, mmH2O, mmHg,
- Trim mode to stabilize readings

## Images

![TPI 621 Dual Differential Input Manometer, 5 Digit LCD, +/-0.5 percent Accuracy, 0.01" H2O Resolution, +/-120" H2O Range - Image 1](https://m.media-amazon.com/images/I/51cUrwyqE9S.jpg)

## Customer Reviews

### ⭐⭐⭐ 3.0 out of 5 stars







  
  
    like
  

*by M***A on Reviewed in the United States 🇺🇸 on June 14, 2015*

Lacks a min/max button, like 615

### ⭐⭐⭐⭐⭐ 







  
  
    Five Stars
  

*by S***T on Reviewed in Canada 🇨🇦 on February 13, 2018*

very good

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**Shop now:** [https://www.desertcart.tn/products/12564743-tpi-621-dual-differential-input-manometer-5-digit-lcd-0](https://www.desertcart.tn/products/12564743-tpi-621-dual-differential-input-manometer-5-digit-lcd-0)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-04-22*