Hydrometer Test Set
ASTM Committee D 18 developed the ASTM hydrometer specifically for particle size analysis of soils. The Hydrometer Test Set is used to indirectly measure particles smaller than No. 200 present in a suspension at a given time. The stem of the ASTM hydrometer is scaled to read either the specific gravity of the suspension (most preferred) or grams per liter of suspension.
The Hydrometer Test Set includes:
• ASTM Soils Hydrometer
• Hydrometer Jar
• Mechanical Stirring Apparatus with a special paddle
• Sodium Hexametaphosphate dispersing agent
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| Part Number | Description |
|---|---|
| S-305 | Hydrometer Test Set, 110 V, 60 Hz |
| Set Includes: | |
| S-300 | ASTM Soils Hydrometer, SG scale |
| S-30010 | Hydrometer Jar, 1000 ml scale |
| S-30020 | Stirring Apparatus w/Cup & Paddle |
| S-30060 | Sodium Hexametaphosphate, 1 lb |
| Related Items: | |
| S-301 | ASTM Soils Hydrometer, g/L scale |
| GW-115 | Triple Beam Scale, 2610 g x 0.1g capacity |
| GW-111 | Triple beam scale, 311 x 0.01 g capacity |
| G-35125 | Glass Beaker, 250 ml capacity |
| G-190 | Stop watch, 30 minute, 1/5 second |
| G-169 | Thermometer, 1° – 50°C x 0.1 |
| G-170 | Thermometer, 0° – 110°C by 0.5°C |
| G-175 | Thermometer, 30° – 120°F by 1°F |
| P-610 | Soil Grinder, motor driven, tripod mount |
| S-178 | Soil Grinder, hand operated w/table clamp |
| S-179 | Soil Grinder, motor driven, pedestal mount |
| S-30015 | Rubber Stopper for Hydrometer Jar, S-30010 |
| S-30060-5 | Sodium Hexmetaphosphate, 5 lb |





