---
product_id: 19651192
title: "Multi Calibration Gas Mix: 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 2.5% (50% LEL) Methane, 18% Oxygen, Balance Nitrogen (29 Liter)"
brand: "norco"
price: "₱23485"
currency: PHP
in_stock: true
url: https://www.desertcart.ph/products/19651192-multi-calibration-gas-mix-25-ppm-hydrogen-sulfide-100-ppm
store_origin: PH
region: Philippines
---

# 24-month shelf life Compatible with top regulator series Precise multi-gas calibration Multi Calibration Gas Mix: 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 2.5% (50% LEL) Methane, 18% Oxygen, Balance Nitrogen (29 Liter)

**Brand:** norco
**Price:** ₱23485
**Availability:** ✅ In Stock

## Summary

> 🛠️ Calibrate like a pro — precision gas mix that keeps you ahead of the curve!

## Quick Answers

- **What is this?** Multi Calibration Gas Mix: 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 2.5% (50% LEL) Methane, 18% Oxygen, Balance Nitrogen (29 Liter) by norco
- **How much does it cost?** ₱23485 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/19651192-multi-calibration-gas-mix-25-ppm-hydrogen-sulfide-100-ppm)

## Best For

- norco enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Portable:** Lightweight 29L aluminum cylinder fits perfectly in any professional toolkit
- • **Multi-Gas Precision:** Calibrate confidently with 25 PPM H2S, 100 PPM CO, 2.5% Methane, and 18% Oxygen mix
- • **Seamless Compatibility:** Works flawlessly with 500, 6000, 8000 Series regulators for hassle-free setup
- • **Long-Lasting Reliability:** 24 months shelf life ensures readiness when you need it most
- • **Certified Quality Assurance:** ISO:9002 and NIST traceability guarantee industry-leading accuracy

## Overview

This 29-liter multi-component calibration gas mix combines 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 2.5% Methane (50% LEL), 18% Oxygen, and Nitrogen balance in a lightweight aluminum cylinder. Manufactured by NorLab under ISO:9002 standards with NIST traceability, it offers 24 months shelf life and broad compatibility with major regulator series, making it the go-to choice for professional gas detector calibration.

## Description

Multiple component portable calibration gas mix: 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 2.5% (50% LEL) Methane, 18% Oxygen, Balance Nitrogen in 29 Liter Aluminum Cylinder. Use to calibrate any gas detector requiring the specified gas concentration and mixture. Manufactured under ISO:9002 quality standards by NorLab Specialty Gases with NIST traceability certification.

## Features

- 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 2.5% (50% LEL) Methane, 18% Oxygen, Balance Nitrogen - 29L
- Replaces part numbers: BW CG-Q34-4, ISC 1810-9192, Gasco 34L-421, Portagas 70096840
- Regulator compatibility: 500 Series Preset Flow, Trigger Control Series, 6000 Series Multiflow, 8000 Series Demand Flow
- Shelf Life: 24 Months
- Manufactured under ISO:9002 quality standards by NorLab Specialty Gases with NIST traceability certification

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Customer Reviews | 4.6 out of 5 stars 7 Reviews |

## Images

![Multi Calibration Gas Mix: 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 2.5% (50% LEL) Methane, 18% Oxygen, Balance Nitrogen (29 Liter) - Image 1](https://m.media-amazon.com/images/I/616Yhq5d+VL.jpg)

## Frequently Bought Together

- Multi Calibration Gas Mix: 25 PPM Hydrogen Sulfide, 100 PPM Carbon Monoxide, 2.5% (50% LEL) Methane, 18% Oxygen, Balance Nitrogen (29 Liter)
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*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-08-26*