This Is A Magnetic-Vane Type Instrument With A Vane Of Permalloy. It Is Correct To Within 0.2% Of Full Scale Value On Alternating Current Circuits Of Any Frequency Up To 133 Cycles Per Second If The Scale Corrections Are Applied. It May Bey Used Upon Direct Current Circuits If An Accuracy Better Than 0.3% Of Full Scale Value Is Not Required And Provided The Mean Of reversed Indications Be Regarded As True Indication.
The Change In Indication Due To Change In Ambient Temperature Does Not Exceed 0.2% Of Full Scale Reading.
Directions For Connecting And Using Are Given In Instruction Book GEJ121H (Not Included).