420 Plus Digital Weight Indicators

  • 420 Plus Digital Weight Indicators

420 Plus Digital Weight Indicators

Rice Lake 420 Plus Weighing Scale Indicators

420 Plus Weighing Scale Indicators are the perfect choices when it comes to tare entry, counting and setpoint outputs. They provide the bonus advantage of two internal setpoints and a full front keypad for simple calibration and configuration. Like other programmable weight indicators, the 420 Plus offers analog output and will also power as many as eight 350 ohm load cells or sixteen 700 ohm load cells.

Download the Indicator 420 Plus Brochure.

Notable Features

  • Large .8 (20.3 mm) Light Emitting Diode (LED) Display
  • Full numeric keypad
  • NEMA 4X/IP66 stainless steel washdown enclosure
  • Power for eight 350 ohm load cells or sixteen 700 ohm load cells
  • Configurable analog to digital measurement rate
  • Primary/secondary units configuration: lb, kg, ounces, short tons, metric tons, grams, or none
  • Two independent communication ports: (2) full-duplex, (1) unidirectional active 20 mA current loop
  • Standardized EDP command sets
  • Programmable ticket formats up to three 300-character printouts
  • Full front-panel digital calibration and configuration
  • Universal mounting stand
  • Three-stage digital filtering
  • Consecutive transaction numbering
  • Two digital inputs, two digital outputs
  • Time and date (volatile)
  • Count mode
  • Request
  • Specifications
  • Services

Please use the form below to request a Quote or More Information.

Power AC Line voltages: 115/230 VAC
Frequency: 50 or 60 Hz
Power consumption: 1.5 A @ 115 VAC (8 W)
0.75 A @ 230 VAC (8 W)
Power DC Line voltages: 9-36 VDC DC input
Power consumption: 1.5 A Max
Excitation Voltage +5 VDC 8 x 350 ohm or 16 x 700-ohm load cells
Analog Signal Input Range -0.5 mV/V - 4.5 mV/V
Analog Signal Sensitivity 0.3 ¼V/graduation minimum,
1.5 ¼V/grad recommended
Resolution Internal resolution: 8 million internal graduations
Display resolution: 100,000 displayed graduations
Measurement Rate 60, 30, 15, 7 1/2, per second
System Linearity Within 0.01% of the full scale
Digital I/O 2 inputs with 8 functions
2 outputs, 250 mA max sink
Circuit Protection RFI, EMI, ESD protection
Serial Output EDP port: Full duplex RS-232
Printer port: Full duplex RS-232 or simplex active 20 mA current loop
Both ports: 38400, 19200, 9600, 4800, 2400,
1200, 600, 300 bps; 7 or 8 data bits; even, odd, or no parity
Display 0.8 in (20 mm), 6-digit Super Red Light Emitting
Diode (LED) display, 7-segment, digits
Status Annunciators Designators for: center of zero, stand still, gross,
net, lb, kg, count, tare
Keyboard 21-key flat membrane panel
Operating Temperature Legal: 14°F to 104°F (-10°C to +40° C)
Industrial: 14°F to 122°F (-10°C to +50° C)
Weight 6.1 lb (2.8 kg)
Rating/Material Enclosure: NEMA 4X/IP66, heavy gauge
stainless steel
Approvals NTEP Certified per H-44 at 10,000 Divisions,
Class III/IIIL, CC# 04-076A5
Measurement Canada, AM-5554, Class III/IIIHD at 10,000 Divisions
OIML approval at 10,000 divisions, TC7004
UL & CUL listed
CE marked
Warranty Two-year limited warranty

Every service under one roof

At Interweigh Systems, we strive to keep your weighing equipment operating at peak performance by providing the most comprehensive range of services available in the industry today.

 Our Premier Services include:

Scale Calibration

Mass Calibration

Legal For Trade

Scale Repair

Truck Scale Repair & Calibration


Interweigh Systems Inc. provides the highest quality Mass and Scale Calibration services, as well as Legal For Trade certification of scales governed by the standards and testing of Industry Canada under the Measurement Canada approval process. Interweigh Systems Inc. is ISO/IEC 17025:2017 accredited as a calibration laboratory by the Standards Council of Canada for specific calibrations as listed on http://www.scc.ca/en/search/palcan/Interweigh