OHAUS Navigator Series, Service Manual

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CHAPTER 2 DIAGNOSTIC GUIDE
Ohaus Corporation www.ohaus.com 4 Navigator Series Service Manual
1.3 TOOLS AND TEST EQUIPMENT REQUIRED
1. Common hand tools are sufficient to disassemble the Navigator scales.
2. RS233 Interface Kit
– PN 83032107
3. USB Interface Kit
– PN 83032108
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
Non-Approved Models:
Model* Capacity
Readability
(d)
Repeatabilit
y (Std. Dev.)
Linearity
Span Cal.
Wt. Lin. Cal.
Wt.
NV222 220g 0.01g 1d ±2d 200g 100g, 200g
NV422 420g 0.01g 2d ±2d 200g 200g, 400g
NV622 620g 0.01g 2d ±2d 300g 300g, 600g
NV221 220g 0.1g 1d ±2d 200g 100g, 200g
NV621 620g 0.1g 1d ±2d 300g 300g, 600g
NV1201 1200g 0.1g 1d ±2d 500g 500g, 1kg
NV2201 2200g 0.1g 1d ±2d 1kg 1kg, 2kg
NVT2201 2200g 0.1g 1d ±2d 1kg 1kg, 2kg
NVT4201 4200g 0.1g 2d ±2d 2kg 2kg, 4kg
NVT6201 6200g 0.1g 2d ±2d 5kg 3kg, 6kg
NVT2200 2200g 1g 1d ±2d 1kg 1kg, 2kg
NVT6200 6200g 1g 1d ±2d 5kg 3kg, 6kg
NVT12000
12000g 1g 1d ±2d 5kg 5kg, 10kg
NVT22000
22000g 1g 1d ±2d 10kg 10kg, 20kg