Weschler Instruments – Manufacturer & distributor of measurement & control equipment
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analog meters, digital meters, transducers, signal conditioners, data loggers and test instrumentation
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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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ToughMeter - DC Ammeters - Yokogawa

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Taut Band Series 270 and Pivot & Jewel Series 271
The ToughMeter series of analog panel meters is designed to operate in harsh environments. The 2 1/2" and 3 1/2" size meters have all metal cases and polycarbonate windows. The ToughMeters have gasket sealed bezels, terminals and zero regulators to ensure dust and moisture protection. The meter mechanisms have a long history of lasting durability and performance within specifications. Either pivot & jewel or taut band suspension is available.

Obsolete - Call for Suitable Replacement


Panel Meter Series

ToughMeter Pivot & Jewel
ToughMeter Taut Band

Base Size

2 1/2"
3 1/2"


DC Amps, Shunt Rated
DC Microamps, zero-center
DC Microamps, zero-left
DC Milliamps, zero-center
DC Milliamps, zero-left


Made with UL & CUL materials and methods
Made with UL materials and methods


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(PDF, 194KB)

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(PDF, 279KB)