---
product_id: 33325189
title: "HM685 Hydronic Manometer"
brand: "tsi alnor"
price: "COP 40371904"
currency: COP
in_stock: true
url: https://www.desertcart.co/products/33325189-hm685-hydronic-manometer
store_origin: CO
region: Colombia
---

# 0.001 psi Resolution ±1% Pressure Accuracy 12+ Hours Battery Life HM685 Hydronic Manometer

**Brand:** tsi alnor
**Price:** COP 40371904
**Availability:** ✅ In Stock

## Summary

> 🔧 Precision Meets Power: Own the Pressure Game with HM685!

## Quick Answers

- **What is this?** HM685 Hydronic Manometer by tsi alnor
- **How much does it cost?** COP 40371904 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/33325189-hm685-hydronic-manometer)

## Best For

- tsi alnor enthusiasts

## Why This Product

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

## Key Features

- • **All-Inclusive Pro Kit:** Comes complete with carrying case, hose set, batteries, AC adapter, interface cable, software, and instructions—everything you need to dominate your workflow.
- • **Crystal Clear LCD Display:** Read complex data effortlessly on a sharp, easy-to-navigate LCD screen designed for professionals on the go.
- • **Unmatched Battery Endurance:** Stay powered through long workdays with a minimum 12-hour battery life powered by 4 AA cells.
- • **Precision that Commands Confidence:** Experience ultra-accurate pressure readings with ±1% accuracy, ensuring your projects never miss a beat.
- • **Robust & Ready for Any Environment:** Operate seamlessly in temperatures from 40°F to 113°F (4°C to 45°C) and fluid temps up to 212°F (100°C).

## Overview

The HM685 Hydronic Manometer by TSI Alnor delivers professional-grade pressure measurement with ±1% accuracy and ultra-fine 0.001 psi resolution. Designed for demanding environments, it supports a wide pressure range up to 300 PSI and fluid temperatures up to 212°F. Featuring a clear LCD, 12+ hour battery life, and comprehensive accessories, this tool is engineered for millennial managers who demand reliability and efficiency in every measurement.

## Description

' Digital Hydronic Manometer, Pressure Range +/-300 psi, +/-2068 KPA, Pressure Resolution 0.001 psi, 0.01 KPA, Pressure Accuracy +/-1 Percent of rdg, Operating Temp. Range 40 Degrees to 113 Degrees F, 4 Degrees to 45 Degrees C, Flow Range (GPM) 0 to 9999, Max. Pressure (PSI) 300 PSI, 2068 KPA, Fluid Temp. Range (Deg. C) 32 To 212F, 0 To 100C, LCD Display, Memory 1000 Reading, Power Source 4 AA Cell Batteries, Battery Life Minimum 12 Hours '

## Features

- Price For: Each Pressure Accuracy: +/-1% of rdg Pressure Resolution: 0.001 psi, 0.01 KPA Flow Range (GPM): 0 to 9999 Power Source: 4 AA Cell Batteries Manufacturers Warranty Length: 2 Year Display: LCD Fluid Temp. Range (Deg. C): 32 To 212F, 0 To 100C Item: Digital Hydronic Manometer Max. Pressure (PSI): 300 PSI, 2068 KPA Pressure Range: +/-300 psi, +/-2068 KPA
- Battery Life: Minimum 12 Hours Operating Temp. Range: 40 Degrees to 113 Degrees F, 4 Degrees to 45 Degrees C Includes: Carrying Case, Hose Set, Batteries, AC Adapter, Interface Cable, Software, Instructions Memory: 1000 Reading Country of Origin (subject to change): United States

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00NH4DPSU |
| Best Sellers Rank | #852,237 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #192 in Manometers |
| Brand | TSI Alnor |
| Brand Name | TSI Alnor |
| Customer Reviews | 5.0 out of 5 stars 2 Reviews |
| Item Dimensions | 6.95 x 17 x 21 inches |
| Item Weight | 11.7 pounds |
| Item dimensions L x W x H | 6.95 x 17 x 21 inches |
| Manufacturer | TSI ALNOR |
| Model | HM685 |
| Number of Items | 1 |
| Part Number | HM685 |
| Thread Style | Npt |
| Thread Type | Npt |
| Unit Count | 1 Count |

## Product Details

- **Brand:** TSI Alnor
- **Item Weight:** 11.7 pounds
- **Item dimensions L x W x H:** 6.95 x 17 x 21 inches
- **Number of Items:** 1
- **Thread Type:** Npt

## Images

![HM685 Hydronic Manometer - Image 1](https://m.media-amazon.com/images/I/61Bn2ClxV9L.jpg)

## Questions & Answers

**Q: Does this come with the calibration certificate?**
A: Yes, a factory calibration.

## Frequently Bought Together

- TSI Alnor HM685 Hydronic Manometer
- Pure Silicone Tubing - 1/8" ID x 1/4" OD - High Temp Kink-free Hose Tube 500F (50 Feet)
- ZIBOO ASP2 Static Pressure Probes (Two-Pack)

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*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-08-08*