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    Bench scale for production, packaging, and general industrial check weighing applications

Bench Scales

Advanced Checkweighing Bench Scale

  • Provides with quick set-up of targets and full configurability

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CKW3R71XW

Model : CKW3R71XW

  • Capacity x Enhanced Readability: 6 lb × 0.001 lb / 96 oz × 0.02 oz /  6 lb × 0.02 oz / 3 kg × 0.5g
  • Maximum Displayed Resolution: 1:6,000
  • Capacity × Approvable Readability: 6 lb × 0.002 lb / 96 oz × 0.05 oz / 3 kg × 0.001 kg
  • Approval Resolution: 1:3,000

CKW6R71XW

Model : CKW6R71XW

  • Capacity x Enhanced Readability: 15 lb × 0.002 lb / 240 oz × 0.05 oz / 16 lb × 0.05 oz / 6 kg × 1 g
  • Maximum Displayed Resolution: 1:7,500
  • Capacity × Approvable Readability: 
  • 15 lb × 0.005 lb / 240 oz × 0.1 oz / 6 kg × 0.002 kg
  • Approval Resolution: 1:3,000

CKW15L71XW

Model : CKW15L71XW

  • Capacity x Enhanced Readability: 30 lb × 0.005 lb / 480 oz × 0.1 oz / 30 lb × 0.1 oz / 15 kg × 2 g
  • Maximum Displayed Resolution: 1:7,500
  • Capacity × Approvable Readability: 30 lb × 0.01 lb / 480 oz × 0.2 oz / 15 kg × 0.005 kg
  • Approval Resolution: 1:3,000

CKW30L71XW

Model : CKW30L71XW

  • Capacity x Enhanced Readability: 60 lb × 0.01 lb / 960 oz × 0.2 oz / 60 lb × 0.2 oz / 30 kg × 5 g
  • Maximum Displayed Resolution: 1:6,000
  • Capacity × Approvable Readability: 60 lb × 0.02 lb / 960 oz × 0.5 oz / 30 kg × 0.01 kg
  • Approval Resolution: 1:3,000



The OHAUS CKW Checkweighing Scale—Speed, Durability, and Cleanliness

Combining an NSF-certified and USDA-accepted food-safe base, durable stainless steel construction, and industry-leading software, the OHAUS CKW Series includes fully-dedicated check weighing scales built for applications requiring fast and accurate operation.

The OHAUS CKW Series is a feature-rich line of check weighing scales, combining a stainless steel T71XW indicator with a square, all-stainless steel CKW washdown base, and a stainless steel column. Ideal for production, packaging, and general industrial check weighing applications, the CKW offers a multifunctional indicator with multiple weighing units, an alphanumeric keypad, and software modes to meet the requirements of industrial applications. With rugged construction, comprehensive yet intuitive software, and multiple connectivity options, the CKW can meet the needs of demanding industrial operations.

The OHAUS CKW Series base is engineered for static check weighing operations and other bench weighing applications—from general purpose to washdown. With its easy-to-clean design built for food safety conformance and rigid stainless steel construction, the CKW Series scale base is ideally suited for use in industrial environments. It’s designed for simplicity and dependability, which contributes to increased productivity, security, and lower cost of ownership.

Features:

  • Precision Resolution: 1:6000-7500 maximum, certified 1:3000
  • All Stainless Steel Construction: Removable stainless steel platform with an extended skirt and open frame, stainless steel IP66 indicator, and IP67 load cell
  • Food Safe Design: NSF listed/certified to NSF/ANSI 169-2005 (formerly NSF C-2) and USDA-AMS accepted to NSF/3-A 14159-1; supports HACCP compliance
  • Employs 6 down stops to ensure safe overload protection
  • Four adjustable non-slip rubber feet
  • Compact footprint and weighing area
  • All stainless steel construction with IP66 / NEMA4X protection for indicator, with load cells protected to IP67
  • Default resolution of 6,000 to 7,500 days - NTEP resolution / Measurement Canada 1: 3,000 certified / approved
  • Configurable check weighing alerts with a display of results using the LCD display and red/yellow/green LEDs.
  • The audible beeper can be configured to prompt when weight is within range, under, over, or under or over range.
  • Target values can be displayed at any time using a quick key press.
  • Easy to operate with positive feedback 5-function key and alphanumeric membrane keypad
  • Additional weighing modes for Counting, Percent Weighing, Dynamic/Animal Weighing, and Display Hold.
  • 128 item Library data storage function, Accumulation of results with statistics.
  • Operator lock-outs for configuration menu as well as keys.
  • Internal power supply with universal line cord—optional NiMH internal rechargeable power pack available
  • Includes RS-232 interface with GMP/GLP data output including date and time
  • Options include DC relay control kit, AC relay control kit, RS-485/422 and 2nd RS-232 interfaces,
  • Alibi memory module.

Applications

Weighing, Parts Counting, Percent Weighing, Checkweighing, Dynamic/Animal Weighing, Accumulation,

Display

Hold Display Backlit liquid crystal display (LCD) with secondary information line, 3-color check weighing LEDs

Operation

AC power (included) or rechargeable battery (accessory sold separately)

Communication

Easy access communication port including RS232 (included) and second RS232 or RS422/RS485 (sold separately as an accessory.) GLP/GMP data output with Real-Time Clock.

Construction

NEMA 4X/IP66 stainless steel indicator, 304-grade stainless steel platform with no visible threads, rounded corners, drain holes, extended skirt and open frame, IP67 stainless steel load cell, stainless steel column, and wall bracket, level indicator

Design Features

User-configurable resolution up to 7,500d/3,000e, 128 part library, 3-color check weighing LEDS, beeper, alibi memory kit (sold separately as an accessory),150% overload capacity protection, five operating languages, NTEP-certified and Measurement Canada approved.


ModelCKW3R71XWCKW6R71XWCKW15L71XWCKW30L71XW
Capacity (max) × Enhanced Readability6 lb × 0.001 lb
96 oz × 0.02 oz
6 lb × 0.02 oz 3 kg × 0.5g
15 lb × 0.002 lb
240 oz × 0.05 oz
16 lb × 0.05 oz
6 kg × 1 g
30 lb × 0.005 lb
480 oz × 0.1 oz
30 lb × 0.1 oz
15 kg × 2 g
60 lb × 0.01 lb
960 oz × 0.2 oz
60 lb × 0.2 oz
30 kg × 5 g
Maximum Displayed Resolution1:6,0001:7,5001:7,5001:6,000
Capacity (max) × Approvable Readability6 lb × 0.002 lb
96 oz × 0.05 oz
3 kg × 0.001 kg
15 lb × 0.005 lb
240 oz × 0.1 oz
6 kg × 0.002 kg
30 lb × 0.01 lb
480 oz × 0.2 oz
15 kg × 0.005 kg
60 lb × 0.02 lb
960 oz × 0.5 oz
30 kg × 0.01 kg
Approval Resolution1:3,0001:3,0001:3,0001:3,000
Platform Dimensions (W × D × H)10 × 10 × 2.3 in. /
254 × 254 × 57.5 mm
12 × 12 × 2.3 in. /
305 × 305 × 57.5 mm
12 × 12 × 2.7 in. /
305 × 305 × 69.5 mm
Load Cell Capacity6 kg10 kg30 kg50 kg
Safe Overload Capacity150% of rated capacity
ProtectionNEMA 4X/IP66 for indicator, IP67 for loadcell
ColumnTubular 304 Stainless Steel 300 mm / 11.8 in. Fixed Height
Weighing Unitslb, oz, lb:oz, kg, g, custom unit
ModesWeighing, Checkweighing, Counting, % Weighing, Dynamic Weighing/Display Hold
Weight DisplayDual line display with 25 mm / 1 inch high primary digits, white LED backlight
Checkweigh IndicationGreen, yellow, red LEDs for OK, Underweight and Overweight
KeyboardPositive feedback membrane keys, 5 function keys and alphanumeric keypad
Stabilization TimeWithin 2 seconds
Auto-zero TrackingOff, 0.5, 1 or 3 d
Zeroing Range2% or 100% of capacity
Span CalibrationSpan: 1 kg or 1 lb to 100% of capacity / Linearity: 3 or 5 point
Power100-240 VAC / 50-60Hz internal universal power supply with hardwired cord
Operating Temperature Range14 °F to 104 °F / -10 °C to 40 °C
InterfaceBidirectional RS-232 and external tare input
Net Weight19.8 lb / 9 kg22.1 lb / 10 kg26.5 lb / 12 kg28.7 lb / 13 kg
Shipping Dimensions (W × D × H)19.1 × 15.3 × 16.1 in. / 485 × 390 × 410 mm
Shipping Weight26.5 lb / 12 kg28.7 lb / 13 kg33.1 lb / 15 kg35.3 lb / 16 kg