Standard features

Easy-to-read 1 in (25 mm) LCD
Three enclosure types or panel mount kit
Status annunciators
AC operation
Backlight for dark conditions
Compatible with a variety of digital weight indicators; intuitive data receiver automatically interprets serial strings

Specifications

Display: 6-digit, 7-segment, 0.8 in (20 mm) LED
Annunciators: lb, kg, gross, net
Operating Voltage: 115 VAC, 230 VAC available DC Voltage Range: 6.2 to 18 VDC
Input Interface: RS-232, 20 mA active or passive current loop ASCII compatible
Baud Rate: Selectable: 300, 600, 1200, 2400, 4800, 9600, 19200
Temperature: Operating: -13 °F to 104 °F (-25 °C to 40 °C)
Rating/Material: NEMA Type 4X FRP or stainless steel
Weight: Approximately 5 lb (2.3 kg) Stainless steel unit, approximately 8 lb (3.6 kg)
Warranty: One-year limited

Models & part numbers

Available configurations.

Part / model	Description
68782	RD-300 AC, compact stainless steel enclosure with backlight 5 lb
22532	RD-300 AC, FRP enclosure with backlight 5 lb
22536	RD-300 AC, NEMA Type 4X stainless steel enclosure with backlight 8 lb
22540	RD-300 AC, panel mount with backlight 3 lb
34750	RD-300 AC, 230 VAC, FRP enclosure with backlight 5 lb

Pricing, availability, and lead times are confirmed in your quote. Source: Rice Lake Weighing Systems 2026 Master Catalog, page 905. Specifications are subject to change without notice.