---
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: "59853 som"
currency: KGS
in_stock: true
reviews_count: 2
url: https://www.desertcart.kg/products/19651192-multi-calibration-gas-mix-25-ppm-hydrogen-sulfide-100-ppm
store_origin: KG
region: Kyrgyzstan
---

# 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:** 59853 som
**Availability:** ✅ In Stock

## Summary

> 🛠️ Calibrate Like a Pro — Precision Gas Mix That Keeps You Ahead

## 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?** 59853 som with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/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 professionals demanding precise, reliable 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.

Review: Would buy again... - Great price, got here quick, and calibration gas-mix points consolidate with factory settings of most H2S monitors.
Review: Cal Gas - Works perfectly

## 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 |
|---------------|-------|
| ASIN | B011T9OKRE |
| Best Sellers Rank | #341,453 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #75 in Lab Gas Handling Instruments |
| Date First Available | July 17, 2015 |
| Item Weight | 12.8 ounces |
| Item model number | EQUIV: BW CG-Q34-4, ISC 1810-9192 |
| Manufacturer | NorLAB |
| Product Dimensions | 2.88 x 2.88 x 11.5 inches |

## 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)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Would buy again...
*by J***W on April 25, 2025*

Great price, got here quick, and calibration gas-mix points consolidate with factory settings of most H2S monitors.

### ⭐⭐⭐⭐⭐ Cal Gas
*by A***R on August 5, 2019*

Works perfectly

## 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)
- 0.5lpm Nickel Plated Brass Fixed Flow Calibration Gas Regulator Compatible with BW Technologies, Industrial Scientific, RAE, RKI Monitors - 0.5lpm Nickel Plated Brass Fixed Flow - C10 Fitting
- BW Technologies XT-XWHM-Y-NA GasAlertMax XT II 4-Gas Detector with Pump, Combustible, O2, H2S and CO, Yellow

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*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-01-23*