OHAUS CKW-55, Service Manual

Page: 45 / 68

3-25
CHAPTER 3 INDICATOR TESTING
3.10 SPECIFICATIONS
Table 3-4 lists the specifications for the Indicator. Scale Model specifications are also included.
TABLE 3-4. SPECIFICATIONS
INDICATOR CKW-55
Maximum Displayed Resolution 1:20,000
Approval Resolution 1:10,000
Weighing Units kg, lb, g, oz, lb:oz, %
Functions Static Weighing, Checkweighing, Accumulation
Weight Display 0.8" / 20 mm High 6-digit, 7-segment LED with Adjustable Brightness Control
Checkweigh Indication 24-segment LED (3 color x 8) Bar Graph and Audible Beeper with Multiple User Setups
Keyboard 7-Function, 12-Numeric with dedicated Tare and Target Entry Buttons
Construction and Protection Stainless Steel NEMA 4X / IP66
Load Cell Excitation Voltage 5V DC
Load Cell Input Sensitivity 2 or 3 mV/V
Load Cell Drive Up to 4 x 350 ohm Load Cells
Stabilization Time Within 2 Seconds
Auto-zero Tracking Off, .5, 1 or 3 Divisions
Zeroing Range 2%, 18% or 100% of Capacity
Span Calibration 1 kg or 1 lb to 100% Capacity
Overall Dimensions (W x D x H) 230 x 75 x 217 mm / 9" x 3" x 8.5" (includes bracket)
Net Weight 3.0 kg / 6.61 lb
Operating Temperature Range -10°C to 40°C/14°F to 104°F
Power 100-240 VAC / 50-60 Hz Universal Power Supply, Hardwire Cord, Optional
Internal Rechargeable NiMH Battery (10-hour operation is typical)
Interface Built-in RS232 and External Input / Optional: RS422/485, Relay Output
SCALE MODEL CKW3R55 CKW6R55 CKW15L55 CKW30L55
Capacity x Enhanced 3 kg x 0.0005 kg 6 kg x 0.001 kg 15 kg x 0.002 kg 30 kg x 0.005 kg
Readability 3000 g x 0.5 g 6000 g x 1g 15000 g x 2 g 30000 g x 5 g
6 lb x 0.001 lb 15 lb x 0.002 lb 30 lb x 0.005 lb 60 lb x 0.01 lb
96 oz x 0.02 oz 240 oz x 0.05 oz 480 oz x 0.1 oz 960 oz x 0.2 oz
6 lb x 0.02 oz (lb:oz) 16 lb x 0.05 oz (lb:oz) 30 lb x 0.1 oz (lb:oz) 60 lb x 0.2 oz (lb:oz)
Maximum Resolution 1:6000 1:6000 1:7500 1:6000
Capacity x Approvable 3 x 0.001 kg 6 x 0.002 kg 15 x 0.005 kg 30 x 0.01 kg
Readability 3000 x 1 g 6000 x 2 g 15000 x 5 g 30000 x 10 g
6 x 0.002 lb 15 x 0.005 lb 30 x 0.01 lb 60 x 0.02 lb
96 oz x 0.05 oz 240 oz x 0.02 oz 480 oz x 0.2 oz 960 oz x 0.5 oz
Approval Resolution 1:3000 1:3000 1:3000 1:3000
Column Tubular 304 Stainless Steel 11.8" / 300 mm Fixed Height with Indicator and Base Mounting Brackets
Net Weight 8.7 kg / 19.2 lb 9.8 kg / 21.7 lb 11.9 kg / 26.3 lb 12.9 kg / 28.5 lb