Speed, durability and ease-of-use, designed for static checkweighing operations and other industrial applications--from general purpose to washdown.
CKW55_s.jpg Order Item #

Product Data Sheet (PDF)
Instruction Manual (PDF)


Special Features

  • Unrivaled speed of set-up and configuration for production line efficiency
  • Intelligent design provides ease of installation and maintenance
  • Fast response time for higher productivity
  • NSF/USDA compliance for sanitary environments

The Ohaus CKW-55 is a full-featured static checkweighing indicator with simple functionality at a competitive price. Its multiple configurable checkweighing parameters and construction were designed with simplicity and dependability in mind that could translate to increased productivity, security and lower cost of ownership.

* Stainless steel housing, NEMA 4X / IP66, 3rd party certified
* Food Safety: NSF certified, USDA-AMS accepted, supports HACCP compliance
* Configurable checkweighing setpoints: By range, variance by weight or percent
* Checkweighing indication by: 3-color 24-segment bar graph, beeper and/or display alert
* Dedicated checkweighing ´Target´ key with numeric keypad
* 20-part Library storage for item no., over, under, target and pre-set tare values
* High-contrast LED display with adjustable brightness
* ´Supervisor mode´ with setup and function lockouts
* Built-in RS232 with optional RS422/485 and AC/DC relay output
* Built-in external remote input for tare, zero, print and other operations
* Multiple weighing units: kg, g, lb, oz, lb:oz, %
* 100-240 VAC universal power supply with optional internal rechargeable NiMH battery
* 1:20,000 max displayed resolution, Geo factor, GMP-Time/Date, Auto-Tare/on Accept, Accumulation
Capacity (metric): 100000 kg / 100000 lb
Non LFT Resolution: 1:20,000 max
Graduations (lb/kg): 0.0002 to 50 (capacity dependent)
Display resolution (legal for trade): 1:10,000 (NTEP pending)
Weighing units: kg, lb, g, oz, lb:oz, %
Display (in/cm): 0.8 / 2.0 high, 6-digit, 7-segment LED
Display: 3-Color, 24-Segment LED Bar Graph (Check Weighing Indication)
Keyboard: 8 Function, 11 Numeric, with dedicated Tare and Target entry
Housing: Stainless Steel NEMA 4X / IP66 (3rd party certified)
Load Cell Excitation (V dc): 5
Load Cell input sensitivity: 2 or 3 mv/V
Load Cell Drive: Up to 4 x 350 ohm load cells
Stabilization time (seconds): Within 2 seconds
Auto Zero Tracking: Off, 0.5, 1, or 3 divisions
Span Calibration: 1 kg/lb to 100% of capacity
Zeroing range: 2%, 18% or 100%
Power Requirements: 100-240 VAC / 50/60 Hz universal internal power supply hardwire cord
Battery requirements: Rechargeable NiMH battery (option)
Battery life (typical): 10 hours with 1 x 350 ohm load cell
Operating Temperature Range: -10°C to 40°C / 14°F to 104°F
Interface: Built-in RS232 and External Input / Optional RS422/485, AC/DC Relay
Mounting Bracket: Wall-table mount bracket included
Dimensions WxHxD (in/cm): 9 x 8.5 x 3 / 230 x 217 x 75 (including bracket)
Net Wt. (lb/kg): 6.6 / 3.0
Shipping Wt. (lb/kg): 10.1 / 4.6
Shipping dimensions (WxDxH) (in/cm): 15.2 x 13.6 x 7.3 / 38.5 x 34.5 x 18.5
Features: Beeper alert, 20-part Library, Auto-Tare/on-Accept, Geo factor for local gravity adjustment, GMP/GLP compliant, Time/Date, Accumulation, configurable RS232 commands, function lockout
Comments: Food Safety: NSF certified, USDA-AMS accepted, supports HACCP compliance
Type: EC/OIML Type approved