---
product_id: 33325189
title: "TSI Alnor HM685 Hydronic Manometer"
brand: "tsi alnor"
price: "137590 kr"
currency: NOK
in_stock: true
url: https://www.desertcart.no/products/33325189-tsi-alnor-hm685-hydronic-manometer
store_origin: NO
region: Norway
---

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

**Brand:** tsi alnor
**Price:** 137590 kr
**Availability:** ✅ In Stock

## Summary

> 🔧 Master your hydronic game with precision and power!

## Quick Answers

- **What is this?** TSI Alnor HM685 Hydronic Manometer by tsi alnor
- **How much does it cost?** 137590 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/33325189-tsi-alnor-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

- • **Smart Memory Storage:** Never lose critical data with onboard memory capable of storing up to 1000 readings—perfect for detailed project tracking and reporting.
- • **Complete Pro Kit Included:** Arrives with a carrying case, hose set, AC adapter, interface cable, software, and instructions—everything you need to hit the ground running.
- • **Endurance for All-Day Use:** Stay on the job longer with a robust 12-hour minimum battery life powered by 4 AA cells—no mid-shift interruptions.
- • **Versatile Pressure & Flow Range:** Handle everything from delicate calibrations to heavy-duty pressure tests with a ±300 psi range and 0-9999 GPM flow capacity.
- • **Precision that Powers Performance:** Achieve ultra-accurate readings with ±1% pressure accuracy and 0.001 psi resolution—engineered for flawless hydronic system diagnostics.

## Overview

The TSI Alnor HM685 Hydronic Manometer is a professional-grade digital tool designed for precise pressure measurement in hydronic systems. Featuring ±1% accuracy, a wide pressure range of ±300 psi, and a high-resolution LCD display, it supports extensive data logging with 1000 reading memory. Powered by 4 AA batteries for over 12 hours of continuous use, it includes a full accessory kit for immediate deployment, making it an indispensable instrument for HVAC and industrial professionals.

## 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 | #889,493 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #189 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 |
| 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

![TSI Alnor 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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**Shop now:** [https://www.desertcart.no/products/33325189-tsi-alnor-hm685-hydronic-manometer](https://www.desertcart.no/products/33325189-tsi-alnor-hm685-hydronic-manometer)

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*Product available on Desertcart Norway*
*Store origin: NO*
*Last updated: 2026-10-01*