We recently acquired a large inventory of overstock items. These items are missing the manufacturer’s original packaging. They may also have minor cosmetic blemishes from storage (See Photos)

The character blocks decode to these exact specifications:

DTFXB Standard: Flow Meter Transmitter Prefix: This is a dedicated liquid flow meter model. It features a built-in 4-20mA output, two open-collector transistor outputs (for rate/signal alarms or totalizing pulses), a 0-1,000Hz rate frequency output, and integrated Modbus RTU RS485 communication protocols.

ZN Enclosure Type: Indicates a NEMA 4 (IP65) rated aluminum enclosure. This design is optimized for rugged wall or pipe mounting in harsh, heavy-duty industrial environments.

DK Power Supply: Configured for low-voltage power. It requires either 10–28V DC input to power the transmitter.

NN Output / Network Options: Explains that the unit relies on its Standard Integrated Inputs/Outputs. It does not include add-on, specialized expansion communication cards (such as BACnet or Modbus RS485 module upgrades).

NA Agency Approvals: Approved for North American regulatory standards. The unit complies with regional UL and CSA safety certificates for specialized or standard plant installations.

All items sold at Max Marine Outlet come as you see in the pictures provided, with only the parts and accessories stated in the description section named “What’s Included”. IF YOU DO NOT SEE SOMETHING YOU EXPECT TO BE INCLUDED IN THE DESCRIPTION WE PROVIDE, IT WILL NOT BE INCLUDED. Read all descriptions thoroughly. There are times when a display is used only to show the item being sold is functional and working properly. In this case, these displays are not included. If you have any questions feel free to reach out. We always want to be transparent with our customers and fully disclose any information regarding the products we sell.