Ready-n-Weigh Bench Scale System CW-90B Scale Base 380 Indicator

As of: Wednesday, July 9, 2025

Save or Print to PDF

Standard Features

Package includes scale with IP67 aluminum environmentally sealed load cell
with an indicator and 12-inch column
Factory calibrated with indicator setup and configured for 5,000 divisions
Scale includes rubber feet to provide exceptional traction and avoid scratching surfaces along with removable top cover for ease of cleaning
Standard RS-232 serial port for connecting to a variety of peripherals
Powered by four alkaline C-cell batteries (not included) or external AC adapter (not included)

Approvals

WARNING: Cancer and Reproductive Harm California Proposition 65

Complete Bench Scale Package with CW-90B Light-capacity Bench Scale and 380 Synergy Series Indicator

Rice Lake’s CW-90B light-capacity bench scale has 304 stainless steel construction and contains an IP67 environmentally sealed aluminum load cell, ensuring it can endure tough environments. The CW-90B is available in capacities up to 100 pounds.

This package pairs the 380 Synergy Series digital weight indicator with the CW-90B. Rice Lake’s 380 has an LCD display with five tactile buttons and a keyed tare. It is battery-powered and provides up to 100 hours of continuous use.

CW-90B Bench Scale Specifications

Load Cell, NTEP Certified:
IP67 aluminum, environmentally sealed

Scale Construction:
304 stainless steel

Maximum Overload:
180% to 200% depending on capacity

Overload Protection:
Five-point, independently adjusted

Scale Frame:
AISI304L, straight line finish, Ra=45 ±10

Scale Cover:
AISI304L, straight line finish, Ra=45 ±10

Cable Length:
34 in

Temperature:
Compensated:
14 °F to 104 °F (-10 °C to 40 °C)

Approvals:
NTEP 21-051, Class III 5,000 d
Measurement Canada AM-6184
NSF
Load cell is cFMus Approved

Warranty:
Two-year limited

380 Indicator Specifications

Power:
Batteries: Four alkaline C-cell
Optional: 115/230 VAC to 12 VAC adapter

Battery Life:
45 hours, one 350 ohm load cell, no backlight
15 hours, four 350 ohm load cells, no backlight
10 hours, eight 350 ohm load cells, backlight

Communication Ports:
One full-duplex RS-232 (three-wire)
One USB 2.0

Display:
Six 1 in (25 mm) tall, LCD digits

Annunciators:
g, lb, t, tn, kg, oz, battery level, PT, LT, gross, zero, unstable, net

Keys/Buttons:
Five-tactile buttons

Rating/Material:
IP69K, 304 Stainless steel

Approvals:
NTEP 21-051
Measurement Canada AM-6184
CE
cULus

Warranty:
One -year limited on battery
Two -year limited on indicator and parts

Ready-n-Weigh Bench Scale System CW-90B Scale Base 380 Indicator Dimensions

10 × 10 in
A	19.56 in	E	9.43 in
B	10.20 in	F	4.25 in
C	14.02 in	G	10.20 in
D	13.36 in
12 × 12 in
A	19.56 in	E	9.30 in
B	12.38 in	F	4.25 in
C	16.10 in	G	12.35 in
D	13.23 in
Note: 1 in = 25.4 mm

Parts

Part #	Description
CW-90B with 380 Package
208528	Scale PKG,CW-90B-380 10x10 5 lb/2.5 kg with 12 inch column 115VAC SST
208529	Scale PKG,CW-90B-380 10x10 10 lb/5 kg with 12 inch column 115VAC SST
208530	Scale PKG,CW-90B-380 10x10 25 lb/10 kg with 12 inch column 115VAC SST
208531	Scale PKG,CW-90B-380 12x12 25 lb/10 kg with 12 inch column 115VAC SST
208532	Scale PKG,CW-90B-380 12x12 50 lb/25 kg with 12 inch column 115VAC SST
208533	Scale PKG,CW-90B-380 12x12 100 lb/50 kg with 12 inch column 115VAC SST

Options

Part #	Description
Options/Accessories
206433	Power Cord Assy, 12V 6W US Plug, 2.5mm ID, 5.5mm OD connector, Universal Input
204258	Board Assy, Real-Time Clock, 380 RTC ADD-ON BOARD, ROHS