Description of Gastec GOA-40D-5 Hand-Held Oxygen Detector
The Gastec GOA-40D-5 Hand-Held Oxygen Detector is a portable oxygen detector designed to provide real-time measurement of oxygen levels with high accuracy.

It is ideal for ensuring a safe working environment in confined spaces or areas with potentially low or high oxygen levels. With a lightweight, durable and intuitive design, this product provides a reliable solution for monitoring oxygen levels in a variety of industrial applications.
GASTEC’s Oxygen detector can quickly and accurately measure oxygen concentrations at a variety of different work sites subject to host of complicated and varying factors. All come with a high performance galvanic cel sensor.
- Calibrates to an oxygen level of 21% with one-touch
- Large easy-to-read display
- Low power consumption
- Sensor cable holder
Feature of Gastec GOA-40D-5 Hand-Held Oxygen Detector
- Real-Time Oxygen Detection: Use a high-precision sensor to directly monitor oxygen levels.
- Broad Measurement Range: Provides safety in a range of conditions by detecting oxygen levels in both safe and dangerous ranges.
- Portable Design: It is simple to utilize in the field due to its small size and light weight.
- Digital Display: An easy-to-read digital screen rapidly and precisely shows the oxygen concentration.
- Safety alarms: These include visual, auditory, and vibrating alerts that notify users when oxygen levels fall or rise over acceptable limits.
- Easy Operation: Without specialized training, consumers may effortlessly operate the gadget thanks to its intuitive interface.
- High Battery Life: Makes use of a durable battery to operate continuously in the field.
- Sturdy Structure: Made to last in demanding working conditions using strong, impact-resistant materials.
Application of Gastec GOA-40D-5 Hand-Held Oxygen Detector
- Safety in Confined Spaces: Perfect for keeping an eye on oxygen concentrations in tunnels, silos, or tanks.
- Oil and Gas Industry: Used to measure the amount of oxygen present in areas used for processing, drilling, or storage.
- Environmental Monitoring: Verifies that industrial facilities’ oxygen levels meet environmental requirements.
- Utilized in welding and chemical processing facilities, among other industrial processes where oxygen levels need to be controlled, is the manufacturing industry.
- Emergency Response: Assists rescue personnel in keeping an eye on oxygen levels at the scene of a gas release or accident.
- Marine Industry: Used to maintain oxygen levels in ship enclosed cabins or engine rooms.
Specifications of Gastec GOA-40D-5 Hand-Held Oxygen Detector
Measurement range | 0.0 – 25.0% (also measures 25.1 – 42.0% for extra range) |
Measurement principle | Galvanic cell |
Sampling method | Diffusion |
Display | Digital LCD (backlit) |
Indicating accuracy | +/- 0.5 %O2 ( 0.0 – 25.0 %O2) +/- 3.0 %O2 ( 25.0 – 42.0 %O2) |
Alarm threshold | <18% |
Alarm signal | intermittent sound and blinking light |
Explosion-proof | Certified by Japan Ministry of Health, Labour and Welfare (Class ia2G3 Certification No.T65119) |
Operating Temperature/ Humidity range | Temperature: -10 – 40 ? Relative humidity: 30 – 95 %RH |
Power source | Four size C manganese batteries provide about 4000 hours of operation (without alarm signal being emitted/25ºC |
Dimensions | 153(W) x 71(D) x 133(H) mm |
Weight | 1.4kg |
For More Information & Price: Gastec GOA-40D-5 Hand-Held Oxygen Detector
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