# Detcon DM-634 O2 Gas Sensor - 22-28VDC Oxygen Detector

The Detcon DM-634 O2 Gas Sensor is a reliable solution for detecting oxygen gas in industrial environments. Manufactured by Detcon Inc. as part of the Killark Hubbell Microsafe line, it ensures accurate monitoring and safety in critical applications.

Featuring a model number of DM-634, this O2 sensor operates within a 22-28VDC range and is designed for detecting oxygen levels from 0-25 ppm. Its low current rating of 85 mA at 24VDC ensures energy efficiency. The **Detcon DM-634** is certified for Class I Division 1 Groups B, C, and D, and Class II Groups E, F, and G, as well as Class III environments.

-   **Reliable O2 Detection:** Accurate oxygen gas sensing for industrial safety.
-   **Hazardous Location Approval:** Certified for Class I, II, and III environments.
-   **Energy Efficient:** Low current draw at 85 mA for cost-effective operation.
-   **Durable Construction:** Robust design ensures long-lasting performance.
-   **Made in U.S.A.:** High-quality manufacturing for dependable results.

**Specifications:**  
Voltage: 22-28VDC  
Current Rating: 85 mA at 24VDC  
Range: 0-25 ppm  
Classification: Class I Division 1 Groups B, C, D; Class II Groups E, F, G; Class III

Trust the Detcon DM-634 O2 Gas Sensor for dependable oxygen detection in your critical industrial and automation systems. Detcon Inc. is known for quality and reliability. Contact Ram Automations for seamless integration into your safety protocols.

[info@ramautomations.com](mailto:info@ramautomations.com)

## Details

- **Price:** 999.0 USD
- **Vendor:** Detcon
- **Type:** Industrial Automation > Gas Sensors > O2 Sensors
- **Tags:** 22-28VDC sensor, Detcon, DM-634, gas detection, hazardous locations, industrial safety, O2 gas sensor, oxygen detector, Ram Automations

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| New | 999.00 USD | In stock |

## Images

- Detcon DM-634 O2 Gas Sensor - 22-28VDC Oxygen Detector-Ram Automations

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> Source: [Ram Automations](https://ramautomations.com/products/detcon-dm-634-o2-gas-sensor)
> Updated: 2026-09-19