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Heron Instruments Groundwater Monitoring Inc.

The specialists in Water level & Interface Meters.

Interface Meters


Heron H.O1L Oil Water Interface Meter
The Heron Oil Water Interface Meter is ideal for professionals involved with the monitoring and remediation of groundwater that is contaminated by oil products. One of the most popular interface meters on the market, the Heron Oil Water Interface Meter detects floating and sinking layers and is certified intrinsically safe. Thousands of these instruments are being used by groundwater professionals worldwide. The Heron H.O1L interface meter is used to measure the thickness of floating or sinking hydrocarbon products in groundwater accurately, reliably, safely and economically.

Heron H.O1L Oil Water Interface Meter

Heron Sm.Oil Interface Meter
An economical instrument ideal for shallower wells. Uses the same technology as the popular Heron H.01L Interface Meter. Also certified intrinsically safe. Small size; big features. Heron's small interface meter is an economical unit that will measure to 60ft(20m) below the top of the well, making it ideal for shallow wells or high water tables. The Sm.Oil interface meter measures the thickness of floating or sinking layers of hydrocarbon products in the groundwater. Many of these instruments are used by refineries, oil spill and remediation companies, land fills and site clean up projects.

Heron Sm.Oil Interface Meter

Water Level Meters


Heron dipperLog Ground Water Level Logger
The dipperLog measures and records the water level and temperature at preset intervals in wells and open bodies of water. It stores the readings allowing them to be downloaded at a convenient time. Stores 16000 time/dated readings in engineering or metric units. Calculates and tabulates water levels in feet or meters relative to datum and temperature in centigrade. Operates in 4 pressure ranges: 0-35ft/10m, 0-100ft/30m, 0-200ft/60m, 0-400ft/120m. The dipper-log also takes and stores a one-time barometric reading during installation.

Heron dipperLog Ground Water Level Logger

Heron dipper-T Water Level Meter
The dipper-T with its durability and tough easy to read tape means dependable, accurate water level measurements every time. The dipper-T water level meter has been designed to provide a long and reliable service life, we back up our claims with a 5 year warranty. Accuracy begins with a top quality, heavy duty tape. Each tape is tested by the manufacturer to ensure compliance with appropriate ASME standards . These tough tapes have a breaking load of over 300lbs (150 kilos). The tape is made from high tensile steel, ensuring resistance to stretching even at abnormal loads.

Heron dipper-T Water Level Meter

Heron Little Dipper Water Level Meter
Ideal for carry-in sites, shallow wells and direct push equipment. The little dipper utilizes many of the tried and tested components that have made its big brother, the dipper-T one of the most popular water level meters. A small low cost water level meter with all the quality features of the larger units. The Little Dipper comes with a 5/8 inch probe and can be ordered with a slim 3/8 inch (9.5mm) diameter probe that makes it ideal for narrow piezometers, direct push equipment and standpipes. The compact size and light weight of the little dipper is an advantage for carry in sites where portability is a concern.

Heron Little Dipper Water Level Meter

Heron Water Tape, A Tough, Economical Water Level Meter
The low cost and durability of the water tape make it an ideal choice for well drillers, pump installers and other severe service users. The water tape is designed and built with the same attention to quality and value as other Heron products.

Heron Water Tape, A Tough, Economical Water Level Meter

Heron Skinny Dipper Ground Water Monitoring
This rugged unit is intended for use in narrow tubes and piezometers. The tape on the skinny dipper is a narrow 0.24 inch x 0.133 inch (6.2 mm x 3.4 mm). The probe is 0.25 inch (6.25mm) diameter stainless steel. This thin section enables the skinny dipper to be used in tubes as narrow as 0.375 inch (9.5mm) internal diameter.

Heron Skinny Dipper Ground Water Monitoring