KING-GAGE® Model 7750 Tank Level Indicator
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Catalog excerpts

Effective: May, 2009 Supplment 1000-5 ® nk Liquid Level Inventory Monitoring Liquid Level\nd\cators Process Integratio Tank Level Indicator Analog column easily conveys tank level Accurate and reliable hydrostatic balance principle Simple pneumatic operation (no electrical input) KING-GAGE Indicators are pr頩cision manometric instruments designed for continuous display of liquid level instorage or processing tanks. A vertical column of indicating liquid within a glass tube rises in direct proportion to the pressure applied. This analog display is read against a custom-calibrated scale graduated in one or more units of depth, volume, or weight of tank contents. Working as a frictionless hydrostatic balance, these indicators have none of the mechanical parts common to most gauges. This makes the KING-GAGE Indicator an inherently accurate and extremelyl rugged device. Used in conjunction with a pneumatic 1:1 output sensor, the indicator accepts a pressure signal that is directly proportional to tank depth. Unlike electronic indicators or meters, KING-GAGE pneumatic indicators are inherently safe. Even in areas designated continuous explosion hazard, there are no intrinsic safety devices required. These indicators are in use worldwide and have proven their dependablility over decades of service. t. Model 7750 KING-GAGE ^3E3king engineering division www.king-gage.com

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KING-GAGE® Model 7750 Tank Level Indicator-2

Pneumatic Column Displays Supplment 1000-5 180Q^ 120 Indicator Scales The critical factor affecting accuracy of the indicator is the read-out scale. KING-GAGE scales are computer calibrated according to tank capacity curves (or from wet calibrations) to provide precise level indication for a specific tank. These scales can be graduated in practically any unit of measurement desired. In fact, 2-unit scales can provide a combination of weight, volume or depth indication. The size of the indicator (column height) is governed by the length of scale required. The combination of scale length and type...

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KING-GAGE® Model 7750 Tank Level Indicator-4

Pneumatic Column Displays Supplment 1000-5 2999999999999999999999299999999999999999999999999999999999999999999 9999999999999999999999999999999999999999999999999999999 2000- (D = (fl _ _ 1700^ 1600^ 00 GALLONS COLORS S 1500_^= - POUNDS PA = 160 = X - K 1300- = 140 - - B m 81100 - o : : - - OJ 120 5 - o 1000 = = < 900 = = 100 800 = 700^ _ 600^ 500^ - 400^ m = H-40fn EACH MARK = 10 POUNDS 闇 o o o o EACH MARK = 1GALLON K-1005 - 4 g 70000 Overflow Check Valve Prevents escape of liquid through the top of the tube should the indicator be overpres-sured. This float-type check valve is included with either...

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