Problue GU-520 Pressure Gauge
RM112.00
The Problue GU-520 Pressure Gauge is a single-function pressure gauge from Problue – one job, done perfectly. It tells you exactly how much air is in your tank, clearly and reliably, so you always know when it’s time to head back up at Perhentian’s crystal-clear waters.
The Problue GU-520 Pressure Gauge is a single-function pressure gauge from Problue – one job, done perfectly. It tells you exactly how much air is in your tank, clearly and reliably, so you always know when it’s time to head back up at Perhentian’s crystal-clear waters.
Technical Specifications
| Specification | Details |
| Brand | Problue |
| Product | GU-520 Pressure Gauge |
| Type | Single gauge |
| Units | Bar / PSI |
| Compass | No |
| Depth Gauge | No |
| Best For | Air monitoring |
Key Features
- Clear, large dial: Read your air pressure at a glance, even at depth.
- Dual units: Bar and PSI – works wherever you are in the world.
- Sealed and depth-rated: Waterproof and accurate at any recreational depth.
- Standard connection: Fits any high-pressure hose.
Suited for Malaysian Dive Sites
The Problue GU-520 Pressure Gauge is built to perform across Malaysia’s best underwater destinations. Whether you’re exploring Perhentian’s crystal-clear waters, or heading to new reefs and wrecks, this gear delivers the reliability and comfort you need on every dive.
Care & Maintenance
- Rinse after every dive – salt damages the internals.
- Cap the connection point when not in use.
- Have it calibrated annually.
- Replace if the needle sticks or the glass cracks.
Final Verdict
One job, done perfectly. The Problue GU-520 Pressure Gauge tells you how much air you have – clearly, reliably, every time.
| Colour | Clear |
|---|---|
| Size | S |
| Skill Level | Advanced |
| Material | Plastic |
| Water Type | Saltwater, Freshwater |
Astrid Teo –
This pressure gauge has been a great addition to my diving gear. The fact that it’s submersible and thread directly into any standard first stage high pressure port is a huge plus.
Faizal Sahabuddin –
Would love to see an updated version with Bluetooth connectivity!
Emily Wong –
The Problue GU-520 Pressure Gauge is a reliable tool for scuba diving instructors like me. Its high visibility luminous display is a game-changer in low-light diving conditions. However, I wish it had a smaller size option.
Karen Seah –
For the price of the Problue GU-520 Pressure Gauge, it’s hard to go wrong. I use it almost every time I dive, and it’s exceeded my expectations every time.
Koh Guan –
This is one of the most useful and versatile gauges I’ve ever used. We went diving and it was like having a personal submersible gauge with us! Problue, keep making products like this!
Zhou Wai –
Will the GU-520 be reliable in extreme water pressure conditions?
Imran Hanafiah –
Thank you for reaching out to us, Zhou Wai. We understand your concern about the reliability of the GU-520 Pressure Gauge in extreme water pressure conditions. The GU-520 is designed to withstand pressure ratings up to 4,000 psi, making it suitable for most scuba diving and technical diving applications. However, please note that prolonged exposure to extreme pressure conditions may affect the gauge’s lifespan. It’s always recommended to follow proper maintenance and storage procedures to ensure optimal performance. If you have any further questions or concerns, please don’t hesitate to reach out.
Darren Tan –
Can the Problue GU-520 Pressure Gauge be used in cold water scuba diving environments?
Junhao Lo –
Thank you for reaching out and sharing your concern about the Problue GU-520 Pressure Gauge. The gauge’s specifications indicate that it’s designed for use in various scuba diving environments, but it does not specifically mention cold water diving. However, it’s worth noting that the gauge is waterproof and fully submersible, suggesting it may be suitable for cold water diving. If you plan to use the gauge in extremely cold conditions, I recommend consulting the manufacturer’s guidelines for optimal performance. We’d love to hear about your experience and any further questions or concerns you may have regarding this product.
Fong Mei –
Has anyone used this for deep-sea exploration?
Junhao Lo –
Thank you for reaching out, Fong Mei! Unfortunately, we don’t have any customers who have used the Problue GU-520 Pressure Gauge for deep-sea exploration. However, based on its design and features, such as being a fully functioning submersible pressure gauge, it has the potential to be used in such conditions. If you’re planning to use it for deep-sea exploration, we would recommend consulting with a professional diver or engineer to ensure it meets the specific requirements for your project. We’d be happy to help with any further questions or concerns you may have!
Natalie Tan –
What makes the Problue GU-520 Pressure Gauge a favorite among scuba divers?
Junhao Lo –
Thank you for your question, Natalie! We’re thrilled that you’re interested in the Problue GU-520 Pressure Gauge. Many scuba divers love this gauge because it’s fully submersible and thread directly into their high pressure port, making it easy to use. The high visibility luminous display also ensures easy reading, even in low light conditions. Additionally, its compact size makes it perfect for back-up air supplies or decompression tanks. Do other scuba divers have any favorite features of this gauge?
Nurfadzillah Abdullah –
If I’m being picky, the instructions could be clearer. That said, it works like a charm and the luminous display on the gauge makes it incredibly easy to read. I love ProBlue’s attention to detail.
Michelle Ng –
I recently tried the Problue GU-520 Pressure Gauge on a deep dive and found its luminous display to be very easy to read despite the darkness. However, it does take up a bit of space in my dive gear bag. How can they make it more compact?
Junhao Lo –
Thank you for sharing your experience with the Problue GU-520 Pressure Gauge, Michelle. We’re glad to hear that the luminous display performed well in low-light conditions. compactness is always important for dive gear, and we appreciate your suggestion. Our designers are constantly looking for ways to improve our products, and we will consider packaging the gauge in a more compact manner for future designs. If you have any other suggestions or ideas, please don’t hesitate to share them. We value your feedback. For now, you might also consider rolling or securing the gauge when not in use to minimize its size in your dive gear bag.
Liana Quah –
I’m beyond impressed with the precision and accuracy of ProBlue’s GU-520 Pressure Gauge! It’s a must-have for any diver or snorkeler. Highly recommend.