Melmach offers high-quality and economical water level meters and sampling bailers for accurate measurement and sampling in various environmental applications.
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Personal Air Sampling Pump GilAir Plus
One Air Sampling Pump with everything you need.
Price On RequestPersonal Air Sampling Pump GilAir Plus
Price On Request -
Personal Air Sampling Pump Gilian 5000
This high-quality private device, which measures back-pressure, offers dependability, extreme level of accuracy as well as a user-friendly interface.
Price On RequestPersonal Air Sampling Pump Gilian 5000
Price On Request -
Personal Air Sampling Pump Gilian LFS-113
Small, private low flow pump, which works with apps up to 350 cc/min and samples air
Price On RequestPersonal Air Sampling Pump Gilian LFS-113
Price On Request -
Personal Air Sampling Pump Gilian BDX-II
Private Air Sampling Pump for discovering lead and asbestos pollution for a reasonable price.
Price On RequestPersonal Air Sampling Pump Gilian BDX-II
Price On Request -
Personal Air Sampling Pump Gilian 800i
This model is used for high backpressure apps.
Price On RequestPersonal Air Sampling Pump Gilian 800i
Price On Request -
Personal Air Sampling Pump Gilian 10i
10i High Flow private Air Sampling Pump
Price On RequestPersonal Air Sampling Pump Gilian 10i
Price On Request -
Personal Air Sampling Pump Gilian 12
High Flow private Air Sampling Pump
Price On RequestPersonal Air Sampling Pump Gilian 12
Price On Request -
QED AutoPump AP2
- Efficient operation in wells with diameters as small as 2″
- 100% air-powered operation
- Corrosion-resistant 316-grade stainless steel metallic parts
- Reliable air control mechanism
- Ideal for high-temperature applications
- ATEX Certified
- Functions under positive or negative (vacuum) pressure environments
- Does not require clean dry air to function and pumps particles up to 1/8 inch in diameter.
- Able to pump products with specific gravity as low as .72
- Viscous pumps able to pump liquids up to 7,000 cSt
- 5 Year Warranty
Price On RequestQED AutoPump AP2
Price On Request -
QED AutoPump AP3
- Efficient operation in wells with diameters of 3″ and larger
- 100% air-powered operation
- Corrosion-resistant 316-grade stainless steel metallic parts
- Reliable air control mechanism
- Ideal for high-temperature applications
- ATEX Certified
- Functions under positive or negative (vacuum) pressure environments
- Does not require clean dry air to function and pumps particles up to 1/8 inch in diameter.
- Able to pump products with specific gravity as low as .72
- Viscous pumps able to pump liquids up to 7,000 cSt
- 5 Year Warranty
Price On RequestQED AutoPump AP3
Price On Request -
QED AutoPump AP4+
- Proprietary non-stick finishes on float and discharge tube to reduce solids buildup
- 100% air-powered operation
- Corrosion-resistant 316-grade stainless steel metallic parts
- Reliable air control mechanism
- Ideal for high-temperature applications
- ATEX Certified
- Functions under positive or negative (vacuum) pressure environments
- Does not require clean dry air to function properly and pumps particles up to 1/8 inch in diameter
- The AP4+ air valves can pass 90-weight oil without fouling
- Able to pump products with specific gravity as low as .72
- Viscous pumps able to pump liquids up to 7,000 cSt
- 5 Year Warranty
Price On RequestQED AutoPump AP4+
Price On Request -
QED Passive Skimmers
- Available for 2” (50 mm) and 4” (100 mm) extraction wells, with different reservoir capacities
- SOS-P (Passive Selective Oil Skimmer):
– Reduces product level to a sheen
– Floats on the product water interface
– Centering disks prevent the float from contacting the sidewalls of well - SPG-P (Passive Specific Gravity Skimmer)
– Viscous products 200-1000 Centistokes
– Hydrocarbon has a specific gravity of less the 0.85
– Floats slightly above product water interface
Price On RequestQED Passive Skimmers
Price On Request -
Photoionization Detector WatchGas NEO
The WatchGas NEO is one of the most advanced handheld VOC (Volatile Organic Compound) monitors available for ppb (parts per billion) detection.
Price On RequestPhotoionization Detector WatchGas NEO
Price On Request -
ATEX Single-Gas Detector WatchGas PDM
The PDM is a full-featured single-gas detector that offers you unequaled value. The PDM single gas detector is your daily monitor for hazardous environments, because of its high reliability and user-friendliness. PDM is the most cost-effective way to ensure safety.
Price On RequestATEX Single-Gas Detector WatchGas PDM
Price On Request -
Portable Multi-Gas Detector WatchGas POLI
The POLI multi-gas detectors offer 4- or 5-gas monitoring of toxic gases, oxygen (O2), combustibles (LEL), carbon dioxide (CO2), and volatile organic compounds (VOCs).
Price On RequestPortable Multi-Gas Detector WatchGas POLI
Price On Request -
ATEX Portable Multi-Gas Detector WatchGas QGM
The WatchGas QGM is a versatile multi-gas monitor engineered to keep you and your staff safe while working in hazardous environments. The WatchGas QGM offers detection for up to four different gases.
Price On RequestATEX Portable Multi-Gas Detector WatchGas QGM
Price On Request