Charge is indicated by deflection of an aluminized plastic straw which rotates freely on the saddle of the conducting rod. A scale on the instrument’s back is graduated in degrees to allow measurement of the deflection. The conducting rod is recessed in the metal housing to shield against air currents. With replacements aluminized straws.
Shiv Dial Sud & Sons, brand name Supertek, founded in 1943 is widely recognized as a leading and trusted manufacturer of Educational Teaching Aids, Laboratory Glassware and Essentials. We are an ISO 9001:2015 Quality Systems Certified Organization. Read More…
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USA: 15 W. Commercial Ave. Addison, IL 60101 – Call: 
+1 (630) 345-3450
Disclaimer: With our policy of continuous improvement, we reserve the right to change, or discontinue at any time, specifications or designs without notice.
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