Weschler Instruments – Manufacturer & distributor of measurement & control equipment
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 All Categories    Stylist - Window Mount Taut Band 261 - AC Voltmeter (Iron Vane) Configurator - Yokogawa
Weschler Instruments is a manufacturer and distributor of electrical and electronic measurement equipment. Customers worldwide use our products in power plants, steel mills, chemical plants, paper mills and other industrial applications that require rugged, reliable and accurate instrumentation.
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Stylist - Window Mount Taut Band 261 - AC Voltmeter (Iron Vane) Configurator - Yokogawa


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STYLUS-DC-AMMETER-15

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AC Voltmeter
Stylist Window Mount Panel Meter, Model 261.
Pivot & Jewel - In this design the coil and pointer are supported by polished steel pivots at each end which fit into jewel bearings. Pivot and jewel meters are recommended for high- vibration environments because of the mechanism’s inherent stability and strength. Accuracy and repeatability are almost equal to the taut-band’s, and good performance from the pivot and jewel construction is the reason for its long popularity. Don’t specify pivot and jewel meters for applications that involve high shock, but do take advantage of this meter’s ability to withstand vibration.



 Product Overview  

Accuracy

All DC and AC iron vane, ±2% of full scale, AC rectifier type; ±3% of fullscale (with 60 Hz sine wave at 25°C). Expanded scale voltmeters ±0.5% of full scale.

ANSI Specification

All meters meet ANSI Specifications C-39.1

Overload

Voltmeters (AC + DC) - 50% momentary, 20% sustained. Ammeters (AC+DC) momentary: 10 times the rated current for 10 consecutive intervals of .5 seconds with 1 minute interval between successive applications; sustained: 20% for six hours.

Insulation Level

2600V/1 min. (2-1/2-4-1/2)
1500V/1 min. (1-1/2")

Response Time

3 seconds (Max.) - Microammeters
2 seconds (Max.) - All other DC ratings
2.5 seconds (Max.) - All AC ratings
Maximum 40% overshoot

Burden Data

AC Ammeter 5 amps @60 Hz, 0.5VA, Max. 0.5 Power factor lagging
AC voltmeter - unity power factor


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