---
product_id: 86390327
title: "TX-12-HS Hydrogen Sulfide H2S (Line Voltage) Fixed Gas Detector Controller Transducer"
brand: "macurco"
price: "$1877.86"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/86390327-tx-12-hs-hydrogen-sulfide-h2s-line-voltage-fixed-gas
store_origin: US
region: United States of America
---

# 5A SPDT fan relay power 4-20mA current loop output Adjustable buzzer & alarm control TX-12-HS Hydrogen Sulfide H2S (Line Voltage) Fixed Gas Detector Controller Transducer

**Brand:** macurco
**Price:** $1877.86
**Availability:** ✅ In Stock

## Summary

> ⚙️ Stay ahead of gas risks with smart, reliable detection!

## Quick Answers

- **What is this?** TX-12-HS Hydrogen Sulfide H2S (Line Voltage) Fixed Gas Detector Controller Transducer by macurco
- **How much does it cost?** $1877.86 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/86390327-tx-12-hs-hydrogen-sulfide-h2s-line-voltage-fixed-gas)

## Best For

- macurco enthusiasts

## Why This Product

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

## Key Features

- • **Flexible Installation:** Fits standard 4” x 4” electrical boxes for quick, hassle-free setup
- • **Precision Relay Control:** Selectable relay actuation levels for tailored safety responses
- • **User-Friendly Interface:** Digital display with buzzer and latching relay for instant alerts and easy monitoring
- • **Multi-Output Integration:** Simultaneous fan relay, alarm relay, and 4-20mA current loop outputs for seamless system compatibility
- • **Optimized Fan Management:** 5A SPDT fan relay expertly controls exhaust fan starters to maintain safe air quality

## Overview

The TX-12-HS is a fixed hydrogen sulfide (H2S) gas detector controller featuring selectable relay actuation levels, multiple output options including fan and alarm relays plus a 4-20mA current loop, and a digital display with buzzer. Designed for easy mounting on standard electrical boxes, it ensures precise control of exhaust fans and timely alerts to maintain workplace safety.

## Description

The macurco 12-series are line Voltage powered (100-240vac), dual relay gas detector, Controller and transducers. The 12-series utilizes an internal switching power supply that is capable of using line Voltage between 100 and 240VAC and 50-60HZ. The 12-series have selectable 4-20ma output, Buzzer and Digital display options. It is an electronic detection system used to measure the concentration of various gases and provide feedback and automatic control to help reduce gas concentrations in parking garages, maintenance facilities or other commercial applications.

## Features

- Selectable relay actuation levels
- Output: fan relay, alarm relay and 4-20ma current loop
- Controls: buzzer, Digital display, latching relay, relay Delay, relay minimum runtime
- Mounts on a standard 4” x 4” electrical box
- 5 a spdt fan relay controls starters of exhaust fans

## Product Details

- **Brand:** Macurco
- **Style:** Digital
- **Power Source:** Corded Electric
- **Item Weight:** 0.93 Pounds
- **Alarm:** Audible
- **Global Trade Identification Number:** 00743167976305
- **Material:** copper
- **Number of Items:** 1
- **Manufacturer:** Macurco
- **UPC:** 743167976305

## Images

![TX-12-HS Hydrogen Sulfide H2S (Line Voltage) Fixed Gas Detector Controller Transducer - Image 1](https://m.media-amazon.com/images/I/41B+RWQ642L.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.us/products/86390327-tx-12-hs-hydrogen-sulfide-h2s-line-voltage-fixed-gas](https://www.desertcart.us/products/86390327-tx-12-hs-hydrogen-sulfide-h2s-line-voltage-fixed-gas)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-06*