Rice Lake CW-90X Over/Under/Washdown Checkweigher

For heavy washdown environments and HACCP requirements, choose Rice Lake’s CW-90X. The over/under CW-90X checkweigher features hermetically sealed load cells, 304 stainless steel construction, extra-strength piezo keypad and an IP69K rating to survive daily sanitary washdowns.

The CW-90X features the toughest keypad available. This rigid piezo device is made to withstand sharp knife-point contacts and is resistant to most contaminants and liquids.

The configuration menu of the CW-90X 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. This checkweigher will store detailed information for up to 50 separate IDs (expandable with WeighVault), allowing for easy recall of previously saved information. An adjustable contrast display is visible in any environment.

This checkweigher keeps things simple to meet the needs of today’s lean manufacturers. Use this checkweigher by easily watching the over/under lights. Program the unit with specified weight limits, and a red light will display an underweight condition, yellow for over and green when a target weight is reached. Rice Lake’s CW-90X will help error-proof your production process and achieve your productivity goals.



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  • Piezo keypad consisting of ZERO, UNITS , PRINT, TARE, OVER, UNDER, ID, TARGET, ENTER, MENU, POWER
  • 304 stainless steel, IP69K rated
  • Prevent breather vent
  • Storage for up to 50 IDs
  • Unit of measure: kg, gm, lb, oz, lb/oz
  • High-Intensity LED display
  • Battery-backed time and date
  • 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
  • NTEP Certified: Indicator (COC# 08-092), Scale Base (COC# 95-072)
  • Five-point overload protection
  • 304 stainless steel
  • Five-point overload protection
Specifications
Power - ACLine voltages: 115/230VAC
Frequency: 50/60Hz
Power Consumption1.5 A @ 115VAC (8W) 0.75A @ 230VAC (8W)
Excitation Voltage+5 VDC 8 x 350 Ω or 16 x 700 Ω load cells
Analog Signal Input Range-0.5mV/V - 4.5mV/V
Analog Signal Sensitivity0.3uV/graduation minimum, 1.5uV/ graduation recommended
Measurement Rate960,480, 240, 120, 60, 30, 15, 7.5 per second
System Linearity+/- 0.01% full scale
Digital I/O4 channels on CPU board
Circuit ProtectionRFI, EMI, ESD protection
DisplayLarge 0.8 in 14 segment, 6 digit high-intensity red LED display
Status AnnunciatorsDesignators for %, kg, gm, lb, oz,center of zero, G/B,N, T, PT, neg, motion
Operating TemperatureLegal: 14ºF to 104ºF (-10ºC to +40ºC)
Rating/MaterialIP69K, stainless steel
Display Resolution100,000 graduations maximum
KeyboardPiezo keypad, 11 keys with International symbols
WarrantyThree-year limited warranty
ApprovalsNTEP CC 08-092,Class III/IIIL 10,000d
Measurement Canada AM-5710
OIML R76/2006-GBI-10.02
TC GB-1385
TAC UK2900
UL & CUL listed
CE marked
ModelCapacity x ResolutionPlatform 
CW90X-5LB5 lb x 0.001 lb10" x 10"
CW90X-10LB10 lb x 0.002 lb10" x 10"
CW90X-25LB25 lb x 0.005 lb12" x 12"
CW90X-50LB50 lb x 0.01 lb12" x 12"
CW90X-100LB100 lb x 0.02 lb12" x 12"