Product details
Weiss Case Mount Gauge | 4CTS-1-400-4L-BR | 4″ Dial | 0-400 PSI/BAR
Product Description
The 4CTS-1-400-4L-BR is a specialized gauge featuring a 4-inch (100 mm) dial and an integrated front flange. The model code identifies its configuration: “CTS” signifies the stainless steel case with front flange for flush mounting, “400” is the pressure range, and “4L” indicates a 1/4″ NPT Lower (Bottom) Mount connection. The “BR” denotes the use of precision brass internals.
This gauge is scaled for 0-400 PSI (0-28 BAR), making it ideal for monitoring mid-to-high pressure systems such as fire pump controllers, water distribution panels, and industrial process headers in Dubai and Abu Dhabi. The polished stainless steel case provides excellent protection against the corrosive saline air common in the Middle East, while the large dial ensures readability across busy plant floors.
Key Features
- Flush Panel Mounting: Integrated front flange allows for a clean, secure installation into equipment or control panels.
- Large 4″ High-Visibility Dial: Offers superior readability for critical system monitoring, reducing the potential for manual logging errors.
- Corrosion-Resistant Case: The stainless steel housing is designed for longevity in humid and coastal industrial environments.
- Dual Scale (PSI/BAR): Simultaneously displays pressure in both imperial and metric units to suit international project specifications.
- ASME Grade B Accuracy: Engineered to meet $\pm$3-2-3% accuracy standards, providing reliable data for routine system checks and safety.
Technical Specifications
| Specification | Details |
| Brand | Weiss Instruments |
| Model | 4CTS-1-400-4L-BR |
| Dial Size | 4″ (100 mm) |
| Range | 0 – 400 PSI / 0 – 28 BAR |
| Mounting Type | Front Flange (Flush Mount) |
| Connection Location | Lower Mount (Bottom) |
| Connection Size | 1/4″ NPT |
| Case Material | Stainless Steel |
| Internal Material | Brass Tube and Socket |
| Accuracy | $\pm$
3-2-3% (ASME B40.100 Grade B) |
Frequently Asked Questions
- Q: How does the “4L” (Lower Mount) work with a “CTS” (Front Flange) gauge?
- A: While many CTS gauges are back-mount, the 4L configuration is used for panels where the piping runs below the gauge location. The flange secures it to the panel face while the connection stays accessible from the bottom.
- Q: Is this gauge liquid-filled for vibration?
- A: This specific model is a “Dry” gauge. If your panel is mounted directly on a high-vibration pump skid, a liquid-filled version is recommended.
- Q: Can this gauge be used for chilled water systems?
- A: Yes, the 400 PSI range is excellent for chilled water applications, especially in high-rise buildings in the UAE where system pressures can be elevated.






