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Ohaus Digital Scale Indicators
Ohaus Digital Scale Indicators: CD33
Ohaus Digital Scale Indicators: CKW55

Ohaus CD-Series Digital Scale Indicators

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(within the 48 continental US States)



Whatever the application…whatever the scale platform...there’s an Ohaus Indicator to complete the picture. Engineered for easy use, the all-new Ohaus CD Indicators feature smart software and hardware enclosed in a sharp contemporary design.

All Ohaus indicators offer multiple functions, easy-to-read displays and a standard RS232 interface. And you can link to any Ohaus Bench Scale– or any other scale system– with up to four load cells. And a variety of capacities and platform sizes mean you can create exactly the right combination for your operation.

Ohaus CD-33 Indicators

Ohaus digital scale indicatorsThe Ohaus CD Industrial Indicator is the shape of things to come. The Ohaus CD-33 offers functions like basic weighing, parts counting, check weighing, animal weighing and more. Smart software and hardware are enclosed in a sharp contemporary housing. Designed to support up to four analog load cells in industrial and laboratory applications.

  • 5 weighing modes with custom unit for multi-functional weighing possibilities
  • Time, date and ID output throught built-in RS232 for GMP/GLP applications
  • Displayed resolution of up to 1:50,000 divisions

Ohaus CKW-55 Checkweighing Indicators

Ohaus digital scale indicatorsThe Ohaus CKW-55 indicator offers speed, durability and ease-of-use -- designed for static checkweighing operations and other industrial applications--from general purpose to washdown.

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.

  • 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
  • Stainless steel housing, NEMA 4X / IP66, 3rd party certified
  • Includes wall-table mount bracket
  • 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, %
  • 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
  • 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



Model Number








Capacity (lb/kg)

Up to 199,999


Graduation (lb/kg)

0.0005 to 100 (capacity dependant)

0.0002 to 50 (capacity dependant)
EC / OIML Approval yes no yes
Geo Function no yes

Displayed Resolution

1:10,000 LFT

1:20,000 non-LFT
Legal for Trade Type Approved Resolution NTEP 1:10,000 LFT 1:10,000 (NTEP pending)

Max Displayed Resolution

1:50000 Non LFT

1:20,000 non-LFT

Weighting Modes

lb, kg, g lg, kg, g, custom unit kg, lb g, oz, lb:oz, %
Parts Counting yes yes no
Dynamic Weighing yes yes no
Percent Weighing no yes yes
Checkweighing no yes yes
Time/Date/GMP no yes yes
Standard RS232 yes yes yes


weighing, parts counting, animal weighing, percent, check weighing

weighing, checkweighing, percent weighing, USDA, NSF approved for food safety

Internal resolution


Over range capacity

Max capacity + 5 divisions

Stabilization time

1-4 seconds, depending on filter selection

within 2 seconds

Auto-zero tracking capture range

Off, 0.5, 1, or 3 divisions

Zeroing range

2%, 18% or 100% of capacity

Span Calibration

10% to 100% of capacity

1 kg/lb to 100% of capacity

Load cell excitation voltage


Load Cell Drive

up to 4 x 350 ohm load cells


Backlit LCD, 1 in / 2.54 cm digit height, 2 line, weight and prompt message

LCD, 1 in / 2.54 cm digit height, 2 line, weight and prompt message 3-color, 24 segment LED Bar Braph (checkweighing indication)
Operating Temperature Rane 14°F to 104°F / -10°C to 40°C


AC Adapter

100-240 VAC / 50/60 Hz universal internal power supply hardwire cord or Rechargeable NiMH battery (optional)


8 Function, 4 Cursor Membrane Keys

12 function + 11 numeric keys

8 Function, 11 Numeric, with dedicated Tare and Target entry
Interface Bi-directional RS-232 with GMP data output Built in RS232 and external input (optional RS422/485, AC/DC relay)

Dimensions W X D X H

10 x 7.75 x 3.12 in / 25.4 x 19.68 x 7.92 cm

9 x 3 x 8.5 in / 230 x 75 x 217 cm (including bracket)

Net Weight

1.4 lb / 0.65 kg

6.6 lg / 3 kg

Model Number









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