Gastec GOA-7H-S Oxygen Detector

The Gastec GOA-7H-S Oxygen detector utilizes a precision galvanic cell sensor to deliver stable and accurate oxygen readings. In industrial operations, oxygen levels can drop unexpectedly due to displacement by other gases or chemical reactions. This detector is calibrated to identify these hazardous shifts instantly, triggering high-decibel audible alarms and bright visual indicators to alert users before dangerous physiological effects occur.

What distinguishes the Gastec GOA-7H-S Oxygen detector from standard monitors is its focus on field efficiency and long-term reliability. The device features an extended battery life and a simplified calibration process, allowing for maximum uptime with minimal maintenance. Its ergonomic design allows for comfortable handheld use or secure attachment to clothing, ensuring that air quality monitoring remains a seamless part of the daily safety protocol. For procurement and safety managers, this instrument represents a durable investment in occupational health and safety (OHS) compliance.

Description

The Gastec GOA-7H-S Oxygen detector is a high-performance portable safety instrument specifically engineered for real-time monitoring of oxygen concentrations. Designed to safeguard personnel in environments prone to oxygen deficiency, this device combines a rapid-response sensor with an easy-to-read interface, ensuring critical data is available at a glance.

Brand

Gastec

GASTEC

Although, technology is always evolving, one demand on our products never changes: the demand for customer safety. Whenever we contribute to customer safety, we are presented with an opportunity to develop further.

GASTEC holds this corporate creed of safety and development in high esteem, as it strives to grow while always putting customer safety first.

Specifications

FeatureSpecification
Measurement Range0.0 – 25.0% (Service range up to 42.0%)
Measurement PrincipleGalvanic Cell (Sensor O2-204G)
Alarm Threshold< 18.0% (Oxygen Deficiency)
Response Time ($T_{90}$)Within 15 seconds (at 20°C)
Operating Temp-10°C to +40°C
Battery Life~4,000 hours (1x AAA battery)
Weight~110g (including battery/sensor)
Dimensions48(W) x 105(H) x 37(D) mm

 

Features

  • Precision galvanic cell sensor for consistent and accurate oxygen detection.
  • Large, clear digital LCD display showing real-time O2 percentages.
  • High-intensity audible buzzer and visual LED alarm system.
  • Compact, lightweight design optimized for portability and field use.
  • Extended battery life for continuous operation throughout long shifts.
  • Simple one-button calibration for easy maintenance and accuracy verification.

Applications

The Gastec GOA-7H-S Oxygen detector is critical for safety in several industrial sectors, including:

  • Confined space entry in tanks, tunnels, and underground utility vaults.
  • Atmospheric safety monitoring in chemical and petrochemical refineries.
  • Oxygen surveillance in laboratory and pharmaceutical research facilities.
  • Food and beverage industry where CO2 or Nitrogen displacement is a risk.
  • Routine safety inspections in shipping and maritime environments.
  • Maintenance work in boiler rooms and industrial manufacturing plants.