OHAUS CKW3R, Service Manual

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CHAPTER 1 INTRODUCTION
1.7 SPECIFICATIONS
Complete specifications for the Ohaus CKW scale Bases are listed in Table 1-1. When a base
has been serviced, it must meet the specifications listed in the table. Before servicing the base,
determine what specifications are not met.
TABLE 1-1. SPECIFICATIONS FOR CKW SCALE BASES
Model CKW3R CKW6R CKW15L CKW30L
Capacity (MAX) x
Readability (d)
3 kg x 0.0005 kg
6 lb x 0.001 lb
6 kg x 0.001 kg
15 lb x 0.002 lb
15 kg x 0.002 kg
30 lb x 0.005 lb
30 kg x 0.005 kg
60 lb x 0.01 lb
Maximum Resolution 1:6000 1:7500 1:7500 1:6000
Capacity (MAX) x
Approved Readability (e)
3 kg x 0.001 kg
6 lb x 0.002 lb
6 kg x 0.002 kg
15 lb x 0.005 lb
15 kg x 0.005 kg
30 lb x 0.01 lb
30 kg x 0.01 kg
60 lb x 0.02 lb
Approved Resolution
(n max)
1:3000 1:3000 1:3000 1:3000
Shift Tolerance new ±1 ±1
±1 ±1
Shift Tolerance Maint. ±2 ±2
±2 ±2
Base Dimensions (WxDxH)
254x254x57.5mm
10x10x3.5in
305x305x57.5mm
12x12x2.26 in. 305x305x69.5mm
12x12x2.74 in.
Load Cell Excitation 5 to 15 DC/AC
Load Cell Rated Output 2mV/V
CKW Base Series Service Manual 1-3 Ohaus Corporation www.ohaus.com