JB/T 51089-1999

Product quality grading for electromagnetic ammeters used in tractors and internal combustion engines

Product quality grading for electromagnetic ammeters used in tractors and internal combustion engines

Standard Type

JBT

ICS

65.060.10

CCS

T68

Status

N/A

Issue Date

1999-12-30

Implementation

2000-06-01

Centralized Committee

National Tractor Standardization Committee

Issuing Authority

State Bureau of Machinery Industry

Catalogue

Scope, References, Indexes, Test & Rules

Scope

Factory and market quality inspection standard

Applicable to agricultural electromagnetic ammeter

Normative References

JB/T 9843-1999 GB/T 2828.1-2012

Keywords

Ammeter; pointer stability; overvoltage; vibration

Application Summary AI generated

1. Two quality grades

2. Controls error and pointer damping

3. Evaluates overvoltage & temperature adaptability

4. Arranges vibration and salt spray aging tests.

Standard Timeline

replaces 51089-94

replaces JB/T 51089.1

Related Standards

JB/T 51093-1999 Product quality grading for tractor steering gears JB/T 51087-1999 Product quality grading for Bourdon tube pressure gauges used in tractors and internal combustion engines JB/T 51088-1999 Product quality grading for Bourdon tube thermometers used in tractors and internal combustion engines JB/T 51080-1999 Product quality grading for alternators used in tractors and internal combustion engines JB/T 51075-1999 Product quality grading for tractor-drawn side-delivery rakes JB/T 51084-1999 Product quality grading for permanent magnet alternators used in tractors and internal combustion engines JB/T 51079-1999 Product quality grading for starters used in tractors and internal combustion engines JB/T 51095-1999 Product quality grading for switches used in tractors

Content extracted by AI. Not officially verified.