RKI Instruments OX‑04 Single Gas Monitor Oxygen 0–40% ATEX/IECEx

R4,641.68 Inc Vat

Pricing Includes VAT

Pricing Excludes Shipping Fees

For bulk orders - please request a quote and email us - [email protected]

Estimate lead time: SPECIAL CUSTOMER ORDER - PLEASE CONFIRM STOCK, BEFORE CHECKOUT - lead time could vary from 3 to 7 days

🚚 Delivery Information
In-stock items usually dispatch within 1-3 working days. Please confirm stock availability for urgent orders.
⚠️ Special Order In Items
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🏭 Locally Manufactured Products
Additional lead times may apply due to manufacturing schedules, availability or temporary production delays.

Description

04 Series Single Gas Monitor – Rugged, Reliable, and Field-Ready

The 04 Series Single Gas Monitor is built for professionals who demand long-lasting performance and safety in hazardous environments. Designed for field serviceability and continuous operation, this compact device is ideal for industries where gas detection is critical. Whether you’re in mining, oil & gas, or confined spaces, the 04 Series delivers dependable protection with minimal maintenance.


Key Features

  • Extended Battery Life: Operates up to 9,000 hours on two AAA alkaline batteries (model-dependent)
  • Field Replaceable Sensors & Filters: Easy to swap out and cost-effective
  • Interchangeable Sensors: Compatible with GX-3R, GX-3R Pro, and GasWatch 3
  • Triple Alarm System: Visual, audible, and vibration alerts for maximum awareness
  • User Adjustable Preset Alarms: Customize thresholds to suit your safety protocols
  • Compact & Lightweight: Pocket-sized at just 2.8 oz
  • 360° Rotating Alligator Clip: Secure and flexible attachment
  • Automatic Backlight: Improves visibility in low-light conditions
  • Replaceable Rubber Boot: Adds durability and grip

Benefits That Matter

Stay safe and focused on the job with a monitor that works as hard as you do. The 04 Series gives you peace of mind with its long battery life and rugged design, reducing downtime and maintenance costs. Its compact size and intuitive alarms make it perfect for daily use, while the field-replaceable parts ensure it’s always ready for action. Whether you’re deep underground or working in volatile environments, this monitor helps you breathe easier—literally.


Specifications & Technical Details

  • Dimensions: 2.1” (W) x 2.6” (H) x 0.9” (D)
  • Weight: 2.8 oz (approx. 80g)
  • Battery Life: Up to 9,000 hours (2 x AAA alkaline batteries)
  • Sensor Life Expectancy: Over 3 years
  • Ingress Protection: IP-67 (dust and water resistant)
  • Mounting: Alligator clip with 360° rotation
  • Alarms: Visual, audible, vibration
  • Certifications:
    • Intrinsically Safe (ATEX/IECEx)
    • QPS Certified for Class I, Division 1, Groups A, B, C, D
    • CE Marked

How to Use

  1. Insert two AAA alkaline batteries into the battery compartment.
  2. Power on the device using the main button.
  3. Attach the monitor securely using the 360° rotating alligator clip.
  4. Monitor will automatically begin detecting gas levels.
  5. Respond to any alarms according to your safety procedures.

⚠️ Note: Always calibrate the device before use and follow your workplace’s safety guidelines.


What Customers Are Saying

Simon D.
⭐️⭐️⭐️⭐️⭐️
“We’ve deployed the 04 Series across our plant. The battery life is incredible, and the alarms are easy to hear even in noisy environments.”

Megan T.
⭐️⭐️⭐️⭐️
“I love how compact it is. Fits right in my pocket and doesn’t get in the way. The replaceable sensors are a big plus!”

Riaan K.
⭐️⭐️⭐️⭐️⭐️
“We’ve used other monitors before, but this one is by far the most durable and easy to maintain. Highly recommended for field teams.”


Frequently Asked Questions

Q1: Can I replace the sensors myself?
A1: Yes, the sensors are field-replaceable and designed for easy installation.

Q2: Is this monitor compatible with other RKI instruments?
A2: Absolutely. The sensors are interchangeable with GX-3R, GX-3R Pro, and GasWatch 3.

Q3: How long do the sensors last?
A3: Sensors have a life expectancy of over 3 years and are covered by a 3-year warranty.

Q4: Is the device safe for explosive environments?
A4: Yes, it is intrinsically safe and certified for use in Class I, Division 1 hazardous locations.

Q5: What happens when gas levels exceed safe limits?
A5: The monitor will activate visual, audible, and vibration alarms to alert the user immediately.

Q6: Can I adjust the alarm settings?
A6: Yes, the 04 Series comes with 3 preset alarms that are user adjustable.

Protect Your Team with the 04 Series Monitor

Don’t compromise on safety. The 04 Series Single Gas Monitor is your trusted companion in high-risk environments. With long battery life, rugged design, and easy maintenance, it’s built to keep you safe—day after day. Order now and experience the difference.

Industries & Workplace Applications

  • Mining
  • Oil & Gas
  • Chemical Plants
  • Fire & Rescue
  • Water Treatment
  • Construction
  • Manufacturing
  • Utilities
  • Confined Spaces
  • Environmental Services

🚚 Stock & Lead Times

Important: Online stock availability is not displayed. If your order is required for a specific deadline, please contact us to confirm stock availability before ordering.

Brand / Category In Stock Out Of Stock
Dromex & Most Footwear Brands 1-3 Working Days 5-6 Working Days
Pioneer 1-3 Working Days 1-4 Weeks (MOQ May Apply)
Javlin & Other Brands 1-3 Working Days 1-4 Weeks
Footwear (Rebel, Wayne, Bova, CAT, Lemaitre, Sisi, Frams, Profit, Hi-Tec, Magnum) Supplier Availability Varies By Brand & Size
Locally Manufactured Items Made To Order 10-21 Working Days

🧵 Embroidery & Branding

Branding services are available on qualifying products and we use a third party branding company, please email [email protected] for a quote.

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**The actual product could differ slightly from the product image. We try to advertise with accurate pictures, but we can't be held accountable if the manufacturer changes their design or specifications.**