---
product_id: 76638412
title: "GL-3001–21 Gas Level Monitor"
brand: "gaslock"
price: "₨228"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/76638412-gl-3001-21-gas-level-monitor
store_origin: LK
region: Sri Lanka
---

# Compact 6.5x3x1.6 cm size Battery-powered with CR2 support Ultra-light 40g design GL-3001–21 Gas Level Monitor

**Brand:** gaslock
**Price:** ₨228
**Availability:** ✅ In Stock

## Summary

> ⚡ Stay ahead of gas leaks with precision you can carry anywhere!

## Quick Answers

- **What is this?** GL-3001–21 Gas Level Monitor by gaslock
- **How much does it cost?** ₨228 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/76638412-gl-3001-21-gas-level-monitor)

## Best For

- gaslock enthusiasts

## Why This Product

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

## Key Features

- • **Pocket-Sized Power:** Compact dimensions fit seamlessly into any toolkit or pocket
- • **Featherlight Precision:** Weighs just 40 grams for effortless portability
- • **Reliable Battery Backup:** Runs on standard CR2 batteries for easy replacement and long-lasting use
- • **Multi-Coloured Alert System:** Distinctive color coding ensures quick gas level recognition at a glance
- • **Trusted Gaslock Engineering:** Crafted with butane-grade materials for durability and accuracy

## Overview

The GL-3001-21 Gas Level Monitor by GASLOCK is a lightweight, compact, and battery-powered device designed for accurate gas level detection. Its multi-coloured alert system and durable butane construction make it an essential tool for professionals seeking reliable and portable gas monitoring solutions.

## Description



## Features

- Item Package Quantity: 1
- Package Weight: 40 grams
- Package Dimensions (L x B x H) in cm: 20.2 x 9.1 x 1.7
- Model Number: GL-3001-21

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | GASLOCK |
| Part Number | GL-3001-21 |
| Product Dimensions | 6.5 x 3 x 1.6 cm; 40 g |
| Batteries | 2032 CR2 batteries required. |
| Item model number | GL-3001-21 |
| Colour | Multi-coloured |
| Style | Klassisch |
| Material | Butane |
| Power Source | Battery Powered |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 40 g |

## Product Details

- **Brand:** Gaslock
- **Style:** Klassisch
- **Power source:** Battery Powered
- **Colour:** Multi-coloured
- **Item weight:** 40 Grams
- **Alarm:** Visual
- **Operating humidity:** 90 percent
- **Sensor type:** Ultrasonic
- **Global Trade Identification Number:** 04250348831217
- **Material:** Butane

## Images

![GL-3001–21 Gas Level Monitor - Image 1](https://m.media-amazon.com/images/I/41Rj22QdqGL.jpg)

## Questions & Answers

**Q: The specification mentions use on 5, 11 , 33 kg propane bottles - is that crucial ? We use 13kg bottles on our motorhome will this device work ? Thank**
A: Hi, The mentioned bottles are just an example. It works on all gas bottles.  Kind regards, Sándor Körössy

**Q: Would this work on a 19kg red propane gas bottle?**
A: Yes it shows you the level of liquid in the bottle

**Q: with mixed reviews I would like to know if is accurate to check the level of gas in our caravan refillable bottles on site**
A: It works sometimes,not others. Works more often on my 6kg bottles in caravan but never works on 13kg bottles on patio equipment. Very hit and miss.

**Q: will this device work with 47kg propane ? no idea if they are alu or not**
A: i could not get this product to work on anything

## Frequently Bought Together

- Gaslock GL-3001–21 Gas Level Monitor
- ProPlus 341215 Leveller Pyramid with Magnet
- HEOSolution 5251 Water Connector with Gardena, Blue

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**Shop now:** [https://www.desertcart.lk/products/76638412-gl-3001-21-gas-level-monitor](https://www.desertcart.lk/products/76638412-gl-3001-21-gas-level-monitor)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-23*