Weston 15490 Vintage Industrial Amp Meter Missing Feet 39086 - Used

Weston 15490 Vintage Industrial Amp Meter Missing Feet 39086 - Used

PN: 15490

General Electric
Weston
Model: 370

Vintage/Antique
Untested Sold As Is
Missing Feet

This Item Has Been Prepackaged And Stored At An Offsite Location So No Questions About Item Will Be Answered. (Regarding Condition/Features)

Amp Meter
Portable Standard
Alternating And Direct Current
Range: 0-10
Range: 0-5

This Instrument Is A Magnetically Shielded Electrodynamometer Ammeter And Indicates Absolute Amperes. It Was Standardized At Weston Laboratory At An Ambient Temperature Of 25°C (77°F) Using Direct Current, Taking The Mean Value Corresponding To The Two Directions Of Current Flow Through The Instrument.

Rated Accuracy: 0.25 Percent Of Full Scale Value Over The Last 60 Divisions And 0.009 Inch (0.17 Percent Of Full Scale Length) Over The Remaining Divisions.

External Temperature Influence: Less Than 0.2 Percent Of Full Scale Value For Ambient Temperatures From 15° To 35°C (59° To 95°F).

Frequency Influence: Negligible To 125 Hertz. Less Than 0.13 Percent Of Full Scale Value And 0.25 Percent Of Full Scale Value.
Sustained Operation Influence: Maximum Effect Less Than 0.2 Percent Of Full Scale Value Over A Period Of Six Hours.

External Filed Influence: Maximum Effect Less Than 0.15 Percent Of Full Scale Value In A Field Of 5 Oersteds.

Ampere Range 5/10
Approximate Resistance, Ohm 0.17/0.071
Approximate Inductance, Millihenry 0.15/0.037

Last Known Calibration Date 12/10/0