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CW-90 Checkweigh Indicator

  • PreVent™ 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
  • Reflash memory to upgrade firmware
  • 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


Some approval documents are available to view by clicking the icons below.

NTEP Logo OIML Logo UL_Listed_C-US LOGO Measurementcanada Approved BW CE Mark LOGO NSF CMYK

WARNING: Cancer and Reproductive Harm California Proposition 65

The Bench Checkweigher of Choice

Ease of use, real-time data collection and rugged, stainless steel construction make the CW-90 digital weight indicator the equipment of choice for operators, quality control and maintenance departments. 

The configuration menu of the CW-90 is accessible through the front keypad, eliminating the need to open the back of the indicator and expose the unit to moisture or contaminants. Access to these keypad controls can be limited to meet the operator’s needs. The CW-90 will store detailed information for up to 50 separate IDs, allowing for easy recall of previously saved information. An adjustable contrast display is visible in any environment.

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

Display: 100,000 counts

System Linearity:
± 0.01% full scale

Digital I/O:
Four channels on CPU board

Circuit Protection:
RFI, EMI, ESD protection

Designators for percent, kg, gm, lb, oz, center of zero, G/B, N, T, PT, neg, motion

Large 0.8 in 14-segment, six-digit high-intensity red LED display

Membrane keypad, 23 keys with international symbols

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

IP66, 304 stainless steel

Two-year limited

NTEP CC 08-092, Class III/IIIL 10,000d
Measurement Canada AM-5710
OIML R76/2006-GBI-10.02
CE Marked
cULus Listed

CW-90/90X Indicator Dimensions
A 9.5 in (241 mm) D 3.12 in (79 mm) G 3.75 in (95 mm)
B 10.02 in (255 mm) E 6.00 in (152 mm) H 4.00 in (102 mm)
C 11.24 in (285 mm) F 8.57 in (218 mm)    



Resources / Downloads

Title Download Email
CW-90 and CW-90X Indicator Only Catalog Page Download Email

Title Version Revision Download Email Category Archived
CW-90/90X Checkweigher Technical Manual 1.10 H Download Email Checkweighers|Indicators / Controllers|Weight Indicators No
WeighVault for CW-90/90X Installation Instructions B Download Email Indicator Software|Indicators / Controllers|Weight Indicators|Checkweighers No
WLAN Option Installation Addendum for CW-90/90X, 720i, 820i, iQUBE2, LaserLT and Counterpart A Download Email Indicator Hardware|Indicators / Controllers|Indicator Hardware/Options No
CW-90/90X Checkweigh Indicator Overlay Replacement A Download Email Checkweighers|Indicators / Controllers|Weight Indicators No
WeighVault CW-90/90X Technical Manual C Download Email Software|Indicator Software|Weight Indicators|Checkweighers No
WLAN Installation Instructions - CW-90/CW-90X/720i/820i/iQUBE²/LaserLT (Legacy Version) Download Email Indicator Hardware|Indicators / Controllers|Weight Indicators No
Ethernet TCP/IP Interface Installation/Configuration Manual - 720i/820i/920i Download Email Indicator Hardware|Indicators / Controllers|Weight Indicators No

Title Download Email
CW-90/CW-90X Replacement Parts Catalog Page Download Email

Title Collateral Wizard Request Download Email Category
CW-90 Over/Under Checkweigher Request Download Email Checkweighers|Bench Scales|Indicators / Controllers
Rice Lake Digital Weight Indicators Matrix Request Download Email Indicators / Controllers
Cannabis Market Weighing Solutions: From Cultivation to Retail Request Download Email Retail Equipment|Checkweighers

Title Version Size Release Date Download Email
CW-90/90X Firmware v1.10.01 1.10.01 105.8 KB 08/24/2023 Download Email

Title Version Size Release Date Download Email
WeighVault for CW-90 2.10.00 380.9 MB 02/06/2024 Download Email

Title View Email Category
Importance of Torque Recommendations for Assembly Download Email

Title View Download Email Category
CW-90 Food Application View Download Email Platform Scales|Checkweighers|Indicators / Controllers
CW-90/90X Software Overview View Email Indicators / Controllers|Checkweighers|Platform Scales|Washdown Scales
CW-90/90X Hardware Overview View Download Email Checkweighers|Platform Scales|Washdown Scales|Indicators / Controllers
WeighVault for CW-90 Demonstration View Download Email Checkweighers|Weight Indicators
ScaleTalk: What's the Difference Between a Checkweigher and Scale? And How to Configure a Range View Download Email


Part # Description List Price Cart
105970 Indicator,CW90 115VAC with tilt stand

List Price: $925.00

105971 Indicator,CW90 230VAC European Verision with tilt stand, CE marked/OIML approved

List Price: $925.00

118888 Indicator,CW90 230VAC with tilt stand

List Price: $925.00

171247 Indicator,CW90 230VAC with Tilt Stand, Australian Power Cord

List Price: $925.00


Part # Description List Price Cart
200578 Ind OPT,Ethernet Interface CW90, CW90X Straight through 10ft ethernet cable with PG11 cord grip

List Price: $440.00

206272 Ind Opt,Wireless LAN Card RS232/WiFi Interface 802.11 A/B 10/100 XPico for CW90,720i,iQube2

List Price: $610.00

95357 Cable,USB Type A To USB Mini-B 1 Meter Long

List Price: $11.00

171968 Cable,RS-232 5-Wire DB-9F to stripped and tinned leads

List Price: $39.00

96736 Ind Opt,Fiber-Optic Rx/Tx CW90, CW90X, 820i Internal Mount With Bus Power

Call for price

78026 Cable,Plastic Optical 100 ft. includes polishing kit

List Price: $175.00

80892 Cutter, Fiber Optic Disposable, .750 and 1.0mm single and duplex jacket Industrial Fiber Optics #IF-FC2

List Price: $12.00

117358 Software, WeighVault for CW90/90X License (English)

List Price: $265.00

Replacement Parts

Replacement parts can only be purchased through trained and authorized dealers. You must be logged in as a dealer to view any available replacement parts.

To locate a dealer in your area, please call us at 1-800-472-6703 or fill out a request online.

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