HydraSleeve
The Hydrasleeve is used in place of purging and low-flow sampling methods in groundwater monitoring boreholes to obtain a representative, real time, discrete interval sample of ALL compounds under natural groundwater flow conditions.
For a comparison of the effectiveness of hydrasleeves for sampling from groundwater monitoring boreholes see
US ITRC Sampling Report.
The Hydrasleeve is effective for sampling slow recharge wells, for monitoring interfaces, and for concentration profiling. Simply lower the empty sampler to the desired interval, let the well return to undisturbed conditions, and pull the sampler through the sample zone to retrieve a "core" of water at the sample depth.
The Hydrasleeve reduces field sampling time significantly. It generates no purge water for disposal and requires no expensive equipment. It can be used to sample slow recharge wells and, because it creates minimal disturbance in the borehole, produces lower turbidity samples compared to bailed or pumped samples.
The Hydrasleeve is fast and easy to deploy enabling you to collect samples in less than fifteen minutes! No decontamination or purge water to worry about. No special training or tools required.
The Hydrasleeve can be used to sample discrete and multiple intervals in a borehole well casing. Obtain concentration profiles at multiple intervals simultaneously by attaching several Hydrasleeve samplers to a single tether line
DOWNLOADS
Hydrasleeve Manual For general guidance when using in the field.
Hydrasleeve Clip and Top Weight Instructions For optimium use of accessories.
Hydrasleeve Tethering Instructions For deployment of multiple Hydrasleeves.
For more details:
Hydrasleeve
or
Download as PDF
Hydrasleeves for 2 inch (50mm) diameter Monitoring Boreholes
Use the Standard S650 and S1000 Hydrasleeves for sampling from 50mm diameter boreholes.
The S650 Hydrasleeve can retrieve a sample volume of 650 ml over a vertical interval of 0.7 to 1.1 metre. The S1000 Hydrasleeves can retrieve a sample volume of 1 litre over a vertical interval of 1 to 2 metres.
For information on the use of the Hydrasleeve, see pdf
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EHS-110
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Hydrasleeve S650 (38mm Dia x 762mm, 650ml)
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EHS-111
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Hydrasleeve S1000 (44mm Dia x 965mm, 1 litre)
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EHS-SC
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Hydrasleeve SS Spring Clip
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Hydrasleeves for 4 inch (100mm) diameter Monitoring Boreholes
Use the Large L1600 Hydrasleeve for sampling from 75mm or 100mm diameter boreholes.
The L1600 Hydrasleeve can retrieve a sample volume of 1.6 litre over a vertical interval of 0.7 to 1.1 metre.
Longer Hydrasleeves can be customised to order up to 5 litre capacity.
For information on the use of the Hydrasleeve, see pdf
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EHS-220
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Hydrasleeve L1600 (66mm Diam x 762mm, 1.6 litre)
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Spring Clip for 2 inch (50mm) diameter Monitoring Boreholes
Used to hold the top of the 2" HydraSleeve open for quicker fill time with the tether tied directly to the stainless steel spring clip or to attach stainless steel weights to both the bottom and top of the S650 HydraSleeve. See PDF for instructions and for details of possible configurations .
Dimensions: 38mm wide at the bottom x 75mm in length.
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EHS-SC
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Hydrasleeve SS Spring Clip
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Hollow Top Weight for Sampling from 50mm Diameter Boreholes
Hollow stainless steel weight attaches to the top of S650 HydraSleeves and will compress the Hydrasleeve in the bottom of a 2 inch (50mm) diameter well (typically to within 150 to 200mm of bottom). This allows wells with less than 1.5 metres of water to be more easily sampled. Can also be used as bottom weight for 2" and 4" HydraSleeves. See pdf for instructions.
Weight: 227 gram
Length: 75 mm
Diameter: 41mm
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EWT-227H
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SS Hollow Top Weight 227g for Hydrasleeve (41mm OD)
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Reusable Weights
A series of reusable Stainless Steel weights for suspending one or more Hydrasleeves in a borehole.
The smallest 175g weight is best used with a single Hydrasleeve at up to 60 metres depth; the 275g weights with 2 or 3 Hydrasleeves. Heavier weights (525g) can be used singly or joined together for deploying multiple passive samplers on a single tether line or for working at greater depths.
All weights are supplied complete with eyes and rings ready to attach to Hydrasleeves.
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EWT-150R
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SS Weight 175g with eye and split ring (35mm dia)
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EWT-250R
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SS Weight 275g with eye and split ring (35mm dia)
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EWT-500R
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SS Weight 525g with eye and split ring (35mm dia)
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Polyester Suspension Cord
This 3.5mm diameter braided polyester cord provides an ideal combination of strength and ease of use for most sampling applications.
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BC/K35-50
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Lifting Cord - 3.5mm diam polyester cord (50m)
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BC/K35-300
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Lifting Cord - 3.5mm diam polyester cord (300m)
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Ties for Tethering
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EHS-SC
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Hydrasleeve SS Spring Clip
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EWT-CT100
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Cable Ties (100mm) Pack 100
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Manual Reels with Removeable Spools
A simple high impact hand reel avoids unsightly and dangerous trailing of cord on the ground during use. The reel can hold up to 100m of 3.5mm polyester cord, which is supplied separately in 50m or 300m lengths.
The spool is removable, and additional spools can be purchased.
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ERL-110
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Hand Reel with removable spool (holds 100m of 3.5mm cord)
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ERL-111
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Extra Spool for Hand Reel
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BioBailers
Passive Samplers
