AC Voltmeter 433 Equipment Weston Electrical Instrument . . . - Radiomuseum Movable Iron Meter Type calibrated for horizontal use Weston often used the same model number for a complete series of meters Model 433 was available both as an AC ammeter and AC voltmeter Each series covered individual meters with a variety of ranges
WESTON 433 meter - Antique Radio Forums The Weston 433 series are moving iron meters Within their frequency limits, they were rated at 0 75% full scale accuracy with the scales horizontal The voltmeters could be ordered with internal multipliers or with the multiplier in an external top housing which is what you have
AC Ammeter 433 Equipment Weston Laboratories Incorporated . . . - Radiomuseum Weston made two different model 433 meters, one is a three-range AC voltmeter, the other is either a two range or three range AC ammeter The three range version has a switch to select 1, 2 5, and 5 ampere scales Power consumption is 0 5 watts (0 52 VA) at 5 amperes on the 5 ampere range
Vintage Weston Instruments Volts A. C. Meter 433 AC With Case . . . - Etsy Weston Electrical Instruments Model 433 AC Voltmeter Designed to measure AC voltage With original carrying case NOT TESTED Durable and collectible voltmeter Minor scuffs and wear on the exterior consistent with age NOT TESTED Buyers are responsible for return shipping costs
2 Vintage Weston Model 433 AC Ammeters Amperes Amp Meters 6 Pair of vintage 20th century Weston AC Ammeters - Model 433 - No 93333 and No 96538 Black Bakelite case; one with leather strap "An ammeter (abbreviation of ampere meter) is an instrument used to measure the current in a circuit Electric currents are measured in amperes (A), hence the name