Description
GF Signet 3-9900.392 Wall-Mount Accessory Kit
Manufacturer Part Number: 3-9900.392
GF Product Code: 159 001 700
Product Type: Wall-Mount Instrument Enclosure
Primary Compatibility: GF Signet 9900 Transmitter
Instrument Size: ¼ DIN
Enclosure Rating: NEMA 4X
Product Overview
The GF Signet 3-9900.392 Wall-Mount Accessory Kit is a compact, industrial-grade enclosure designed to provide secure wall mounting and environmental protection for the GF Signet 9900 Transmitter and other compatible ¼ DIN instruments.
Constructed from light-gray, fiberglass-reinforced polyester, the enclosure provides excellent resistance to moisture, corrosion, ultraviolet exposure, and demanding industrial environments. Its NEMA 4X-rated design makes it suitable for properly installed indoor or outdoor applications where instrumentation may be exposed to splashing water, washdown conditions, dust, or corrosive surroundings.
The front door includes a standard ¼ DIN instrument cutout that allows the transmitter display and keypad to remain visible and accessible while the wiring and rear electronics are protected inside the enclosure. Two conduit openings at the bottom provide convenient entry points for power, sensor, output, and communication wiring.
Mounting hardware and liquid-tight connectors are included to simplify installation. The enclosure’s hinged and latched design also provides convenient access to the back of the transmitter for wiring, inspection, configuration, and maintenance.
Key Features and Benefits
- Designed for wall mounting the GF Signet 9900 Transmitter
- Compatible with standard ¼ DIN instrumentation
- NEMA 4X-rated industrial enclosure
- Suitable for properly installed indoor and outdoor applications
- UV-stabilized construction for outdoor exposure
- Fiberglass-reinforced polyester enclosure body
- Corrosion-resistant 304 stainless-steel hinges and latch
- 304 stainless-steel mounting brackets and screws
- Brass threaded mounting inserts
- Nylon liquid-tight wiring connectors
- Front-mounted instrument remains visible and accessible
- Hinged enclosure provides access to rear wiring and modules
- Two bottom conduit openings simplify field wiring
- Mounting hardware and liquid-tight connectors are included
- Helps convert a panel-style instrument into a protected wall-mounted installation
- Reduces the need to fabricate a separate instrument panel or enclosure
Technical Specifications
| Specification | Description |
|---|---|
| Manufacturer | GF Signet |
| Manufacturer Part Number | 3-9900.392 |
| GF Product Code | 159 001 700 |
| Product Description | Wall-Mount Accessory Kit |
| Primary Compatible Instrument | GF Signet 9900 Transmitter |
| Instrument Opening | Standard ¼ DIN cutout |
| Enclosure Type | Hinged and latched wall-mount enclosure |
| Enclosure Rating | NEMA 4X |
| Enclosure Material | Fiberglass-reinforced polyester |
| Enclosure Color | Light gray |
| Hinges and Latch | 304 stainless steel |
| Mounting Brackets and Screws | 304 stainless steel |
| Threaded Inserts | Brass |
| Liquid-Tight Connectors | Nylon |
| Conduit Entry | Two openings at the bottom of the enclosure |
| Approximate Overall Height | 20.2 cm (7.95 in.) |
| Approximate Overall Width | 19.53 cm (7.69 in.) |
| Approximate Overall Depth | 10.79 cm (4.25 in.) |
| Mounting-Foot Hole Diameter | 8.74 mm (0.34 in.) |
| Outdoor Suitability | UV stabilized |
| Compliance | RoHS compliant |
| Listing | UL listed |
Compatible Instruments
The GF Signet 3-9900.392 is primarily used with the GF Signet 9900 panel-mount transmitter. Its standard ¼ DIN opening also supports compatible ¼ DIN instruments, including selected:
- GF Signet 8900 Controllers
- GF Signet ProcessPro instruments
- GF Signet ProPoint instruments
- Other compatible ¼ DIN process instruments
Instrument dimensions, mounting-bracket requirements, wiring clearances, and environmental ratings should be confirmed before installing equipment other than the GF Signet 9900.
Typical Applications
The 3-9900.392 wall-mount enclosure is suitable for instrumentation used in:
- Reverse osmosis systems
- Industrial water treatment
- Municipal water treatment
- Wastewater treatment
- Deionization and ultrapure-water systems
- Chemical dosing and injection systems
- Cooling-tower control
- Media filtration
- Chemical manufacturing
- Tank-level monitoring
- Pump stations
- pH and ORP monitoring
- Conductivity and resistivity measurement
- Flow monitoring and totalization
- Pressure and temperature monitoring
- Fume scrubbers
- Metal and plastic finishing
- Equipment skids and packaged treatment systems
Durable NEMA 4X Construction
The enclosure is designed to protect the installed instrument from common industrial environmental hazards. Its fiberglass-reinforced polyester construction provides a strong, lightweight housing with good corrosion resistance.
The stainless-steel hinges, latch, brackets, and mounting hardware help maintain durability in wet or corrosive environments. UV-stabilized materials make the enclosure suitable for outdoor installations when it is correctly mounted, sealed, and wired.
The NEMA 4X enclosure rating applies to the properly assembled accessory. All conduit connections, unused openings, instrument gaskets, and enclosure latches must be properly installed and secured to maintain environmental protection.
Convenient Wiring and Maintenance Access
Two conduit openings at the bottom of the enclosure provide dedicated entry locations for power, sensor, relay, communication, and analog signal wiring. Nylon liquid-tight connectors are included to help establish sealed cable-entry points.
The hinged front panel allows technicians to access the back of the installed instrument without removing the entire enclosure from the wall. This design simplifies:
- Initial instrument wiring
- Sensor replacement
- Output and relay connections
- Optional module installation
- Routine inspection
- Troubleshooting
- Transmitter replacement
Installation Overview
The enclosure mounts to a suitable wall or supporting structure using its adjustable mounting feet, supplied hardware, or integrated brass inserts. After the enclosure is securely mounted, the liquid-tight connectors are installed in the bottom conduit openings.
The instrument gasket is positioned against the front side of the enclosure door. The compatible ¼ DIN instrument is then inserted through the front cutout and secured from inside the enclosure using the instrument’s mounting bracket.
After all electrical connections have been completed and inspected, the enclosure door should be closed and securely latched.
Installation must be completed in accordance with the instrument manufacturer’s instructions, applicable electrical codes, and site-specific requirements.
Important Compatibility Notice
The GF Signet 3-9900.392 is a wall-mount enclosure and installation accessory only. It does not include the GF Signet 9900 Transmitter, sensors, power supply, relay modules, communication modules, or other process instrumentation unless specifically stated by the seller.
Confirm that the selected transmitter and any optional modules will fit within the available enclosure space before installation.
Why Choose the GF Signet 3-9900.392?
The GF Signet 3-9900.392 offers a convenient, manufacturer-designed solution for installing a Signet 9900 transmitter where a conventional control panel is unavailable or unnecessary. Its corrosion-resistant construction, NEMA 4X protection, hinged access, and included installation hardware make it well suited for industrial water-treatment skids, chemical systems, outdoor process equipment, and other demanding measurement applications.
By enclosing the rear electronics and wiring while keeping the transmitter display accessible, the 3-9900.392 provides a clean, professional installation and helps protect critical process instrumentation.
