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CW-90 – Checkweigh Indicator

Rice Lake · Indicators / Controllers

CW-90

Checkweigh Indicator

Standard features

  • Gore-Tex® breather vent
  • Storage for up to 50 IDs
  • Unit of measure: kg, gm, lb, oz, lb/oz
  • LED display
  • Two full duplex serial ports
  • Configurable print formats
  • Audit trail tracking
  • Optional communications: Ethernet, USB or fiber-optic
  • Four configurable digital I/O
  • Firmware is field upgradeable by reflashing memory
  • Auto print capability
  • Battery backed up time and date
  • Accumulator
  • Membrane keypad consisting of zero, units, print, tare, over, under, ID, target, 0 to 9, clear, decimal, enter, menu, power

Specifications

Power
Line voltages: 115 to 230 VAC Frequency: 50/60 Hz
Power Consumption
1.5 A at 115 VAC (8 W) 0.75 A at 230 VAC (8 W)
Excitation Voltage
+5 VDC 8 × 350 ohm or 16 × 700 ohm load cells
Analog Signal Input Range
-0.5 mV/V to 4.5 mV/V
Analog Signal Sensitivity
0.3 uV/graduation minimum 1.5 uV/graduation recommended
A/D Sample Rate
7.5 to 960 Hz software selectable
Resolution
Display: 100,000 counts
System Linearity
± 0.01% full scale
Digital I/O
Four channels on CPU board
Circuit Protection
RFI, EMI, ESD protection
Annunciators
Designators for percent, kg, gm, lb, oz, center of zero, G/B, N, T, PT, neg, motion
Display
Large 0.8 in 14-segment, six-digit high-intensity red LED display
Keys/Buttons
Membrane keypad, 23 keys with international symbols
Temperature
Certified: 14 °F to 104 °F (-10 °C to 40 °C)
Rating/Material
IP66, 304 stainless steel
Warranty
Two-year limited

Models & part numbers

Available configurations.

Part / modelDescription
105970† CW-90, 115 VAC
118888† CW-90, 230 VAC
171247CW-90, 230 VAC
Options & accessories (5)
200578Ethernet TCP/IP, 10 ft cable included
206272RS-232/Wi-Fi interface 802.11 A/B
95357USB cable, Type A to mini-B, 1 m
171968Firmware download cable
117358WeighVault® (requires part number 200578 or 206272)

Pricing, availability, and lead times are confirmed in your quote. Source: Rice Lake Weighing Systems 2026 Master Catalog, page 494. Specifications are subject to change without notice.