OHAUS Navigator NV1101, Service Manual

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CHAPTER 1 GETTING STARTED
Ohaus Corporation www.ohaus.com 2 Navigator Series Service Manual
1.3 TOOLS AND TEST EQUIPMENT REQUIRED
1. Common hand tools are sufficient to disassemble the Navigator scales.
2. RS2323 Interface Kit
– PN 83032106 or 71147376
1.4 SPECIFICATIONS
Specifications for the Ohaus Navigator Scales are listed in Table 1-1. When a scale has been
serviced, it must meet the specifications listed in the table. Before servicing the scale, determine
what specifications are not met.
Special Note regarding Approved scales
The specifications for the approved scales below are only for initial testing. These scales must be
tested according to the requirements of the local Weights and Measures authority. Before returning
the scale to service an approved representative of the local Weights and Measures authority must
certify the scale. Ohaus does not generally recommend the repair of an approved scale that
involves replacement of the load cell or PCB.
TABLE 1-1 SPECIFICATIONS
NV (non-Approved)
Model
NV212 NV511 NV1101 NV2101 NV4101 NV5101
Capacity (g) 210 510 1100 2100 4100 5100
Repeatability (g) 0.02 0.2 0.2 0.2 0.4 1
Linearity (g) ±0.02 ±0.2 ±0.2 ±0.2 ±0.4 ±1
OCL (g) ±0.03 ±0.3 ±0.3 ±0.3 ±0.6 ±1.5
Zero Drift (g/°C) ±0.03 ±0.2 ±0.2 ±0.2 ±0.4 ±1
Span Sensitivity (g/°C) ±0.01 ±0.1 ±0.1 ±0.1 ±0.2 ±0.5
NV (CMC Approved)
Model
NV212B NV511B NV1101B NV2101B NV3101B NV5100B
Capacity 200 510 1100 2100 3100 5100
Repeatability (g) 0.02 0.2 0.2 0.2 0.4 1
Linearity (g) ±0.02 ±0.2 ±0.2 ±0.2 ±0.4 ±1
OCL (g) 1 MPE 1 MPE 1 MPE 1 MPE 1 MPE 1 MPE
Zero Drift
1e / 5°C 1e / 5°C 1e / 5°C 1e / 5°C 1e / 5°C 1e / 5°C
Span Sensitivity
1 MPE 1 MPE 1 MPE 1 MPE 1 MPE 1 MPE