Gammon Aqua-Glo III Series Manual

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FM 10-67-1 APPENDIX E

Amprobe Products

Amprobe Electrical meters Amprobe and TIF

a Division of ATP

WATER DETECTION (AQUA-GLO) TEST

To test aviation fuels for undissolved (free) water, use the Aqua-Glo III

ultraviolet detector kit as shown in (Figures E-1A and E-1B). The standard

test method for undissolved water is ASTM D 3240-86a. The following

equipment is required to perform this test:

Aqua-Glow series III Free Water Detector Unit

The Aqua-Glo series III determines the degree of undissolved water content.

The ultraviolet lamp assembly has a single, permanent fluorescing standard,

positioned under a photographic-type iris diaphragm that can be opened or

closed to increase or decrease the amount of ultraviolet light. The water

content is determined by adjusting the diaphragm lever arm until the

fluorescing standard and the test pad shows equal brightness in the ultraviolet

light. The balance is reached when the zero-centering ammeter reads ZERO.

The amount of water is read in parts per million (PPM) on the diaphragm

lever arm scale that has been precalibrated in the factory.

The fuel sample passes through a uranine dye-treated filter pad. Free water in

the fuel reacts with the uranine dye. When the pad is illuminated by ultraviolet

light, the dye contacted by the free water will fluoresce a bright yellow. The

pad is packaged in a hermetically sealed packet. The test pads are packaged 50

to a box.

A test pad holder and sample line are used to draw the fuel sample through the

http://www.globalsecurity.org/military/library/policy/army/fm/10-67-1/APPE.HTML

APPENDIX E

EQUIPMENT

Test Pads

Test Pad Holder and Sample Line

Resistance Meter

0.1u-ohm to 110M-ohm High Accuracy &

High Speed

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5/30/2005