Other Automation Equipment
GF Signet 3-9900.393 Relay Module Display Controller H COMM Port Tested
$339.95
Used. Available — confirm quantity. Call 206-807-9573 for details. Inquire for shipping.
Manufacturer / brandGF
Model3-9900.393
MPN3-9900.393
ConditionUsed
AvailabilityAvailable — confirm quantity
eBay listing number357776579521
Inquire for shipping
When you call, mention listing 357776579521. Ask about included accessories, testing details, compatibility with your setup, and shipping to your location.
Full item description
Condition, details & included items
This listing is for a GF Signet 3-9900.393 Relay Module, a versatile display and control unit designed for process automation and instrumentation applications.
The unit has been tested and is in good working condition. Cosmetic wear is minimal, and all terminal blocks and connectors are intact.
Key Features
Model: 3-9900.393
Display: Backlit LCD with directional buttons
Relay Outputs:
2x Relays (5A, 250 VAC / 30 VDC)
1x Open Collector Output (50mA, 30 VDC)
Power Requirements: 12–32 VDC
Communication: H COMM Module compatible (slot under removable label)
Inputs: Loop-powered (12–32 VDC, 0.03A max)
Connections: Shield, GND, Data, V+ terminals
Mounting: Panel mount with steel bracket
Country of Manufacture: Made in the U.S. from domestic and imported parts
Certifications: UL Listed, CE, RoHS compliant
Condition
Tested by technician (#374)
Display and buttons responsive
Clean connectors and terminals
Light surface marks from prior installation
Includes
GF Signet 3-9900.393 module
Mounting bracket (attached)
Terminal connectors (as shown)
Specifications
ParameterValue
Input Voltage12–32 VDC
Relay Rating5A @ 250 VAC / 30 VDC
Open Collector50mA @ 30 VDC
Communication PortH COMM Module Slot
Mounting TypePanel Mount
DimensionsApprox. 4.3” x 4.3” x 3.0”
Shipping
Carefully packaged for safe delivery
Ships via UPS, USPS, or FedEx within 1 business day
Notes
This is a genuine +GF+ Signet product, widely used in industrial control and monitoring systems. Ideal for replacement, backup, or integration into existing Signet flow, pH, or conductivity monitoring setups.
FDA & Equipment Disclaimer
FDA Notice
This item may be subject to regulation by the U.S. Food and Drug Administration (FDA) and by state or local regulatory agencies. It is the sole responsibility of the purchaser to comply with all applicable laws and regulations regarding the purchase, ownership, and use of this equipment. Noble Lab Trade LLC makes no representation regarding purchaser eligibility or authorization.
Condition of Sale
The descriptions and photographs provided are offered in good faith to describe the item as accurately as possible. However, all equipment is sold strictly as-is, where-is, with any and all faults, defects, wear, or damage, whether known or unknown. Noble Lab Trade LLC makes no warranties, representations, or guarantees of any kind, express or implied, including but not limited to any warranty of merchantability, suitability, or fitness for a particular purpose. Buyer accepts all risks associated with the purchase and use of this equipment.
Limitation of Liability and Indemnification
The purchaser agrees that Noble Lab Trade LLC, including its officers, directors, employees, agents, affiliates, and shareholders, shall not be held liable for any injury, loss, damage, claim, or expense of any kind, whether direct, indirect, incidental, special, or consequential, arising out of or in connection with this equipment. By purchasing, the buyer expressly assumes all responsibility and agrees to indemnify, defend, and hold harmless Noble Lab Trade LLC and its representatives from any claims, liabilities, demands, damages, or expenses (including attorney’s fees) related to the equipment or its use.
Use Disclaimer
Regardless of documentation, labeling, or markings appearing on the equipment, the item offered here is not certified, recommended, or intended for any specific medical or clinical application. The purchaser assumes full responsibility for determining suitability, safety, and compliance with all applicable laws and regulations prior to any use of this equipment.
Medical Equipment Policy
Noble Lab Trade LLC does not test, inspect, refurbish, or certify equipment for patient use. It is solely the purchaser’s obligation to ensure that any equipment intended for patient use is properly tested, inspected, and certified by qualified professionals in accordance with all regulatory requirements. No exceptions.
Acceptance of Terms
By bidding on, purchasing, or taking possession of this equipment, the purchaser acknowledges that they have read, understood, and agreed to the terms of this disclaimer, and accepts full and sole responsibility for compliance, use, and any outcomes associated with the equipment.









