No-purge groundwater sampling device provides comparable, formation quality samples of ALL parameters from small-diameter (1.5" Sched 40 and larger) wells for both short and long-term monitoring.
Disposable. Fits in 1.5 Schedule 40 and larger wells. Standard material = virgin 4 mil PE. Tensile strength 25-35 lb.
Absolute maximum volume obtainable without spilling 600 mls
LAYFLAT | FILLED | FILLED | FILL | |
WIDTH | LENGTH | DIAMETER | VOLUME | STROKE |
2.5" | 30" | 1.5" | ~600 ml |
30"*
|
Fill stroke is the length of the sampler when used in 1.5-inch to 2-inch wells. It will be longer for larger diameter wells. Alternative method of recovery is recommended for use in larger wells - see link below.
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REQUIRED/RELATED ACCESSORIES |
DETAILS | ARTICLES OF INTEREST RELATED TO THIS PRODUCT |
2-inch Spring Clip - recommended for the top of the HydraSleeve |
Don't use Spring Clips in 1.5" wells or when there are obstacles |
Spring Clip Instructions Alternative Attachment without spring clips |
Minimum 4-ounce bottom weight | Very shallow wells - less than 100 | |
Recommended 5-ounce bottom weight |
If the well is more than 250 feet deep, or there are obstacles down hole, you may want to use heavier than 5 ounces. Also stringing multiple sleeves on one tether requires heavier weight. |
Weight Selection Chart |
Top Weight 16-ounce Note: Additional bottom weights must be used with all top weights. |
Needed for short water columns less than 5.5 feet. Compresses the HS-2 to within 6 inches off the bottom of the well. Must have 3.5 feet of saturated screen to fill completely using the top weight |
Topic of Top Weights Alternative method of recovery - oscillating HydraSleeves during retrieval |
Tether available in 500, 1000, and 2000-foot rolls. Marked sequentially in feet along the length of the line. |
About our tether. | |
Sand Weight Clips - for attaching the bottom of HydraSleeves to the tether. Typical for multiple sleeve deployment. |
About bottom (sand weight) clips | |
How to shorten HydraSleeves for less sample volume |