In-Situ / Field Water Quality Testing Instruments
Description
In-situ or field water quality testing instruments are designed to measure various parameters of water directly at the site of interest. These instruments are typically portable and rugged, allowing for real-time analysis of water quality without the need to transport samples to a laboratory. They can measure parameters such as pH, temperature, conductivity, dissolved oxygen, and turbidity, providing immediate feedback on the water's condition.
Working Principle
These instruments operate by using sensors that interact with the water to measure specific parameters. For example, pH meters use an electrode that develops an electrical potential related to the pH of the solution when immersed in water. This potential is then converted into a pH value. The ability to measure these parameters on-site is crucial as it allows for immediate decision-making and adjustments to water treatment processes, ensuring the safety and quality of water supplies.
Applications
In-situ water quality testing instruments are used in a variety of environmental and industrial applications. For instance, they are employed in monitoring the pH levels in streams that may contain heavy metals or sulfides, which can react with certain electrodes. They are also used in wastewater treatment facilities to ensure that effluent meets environmental standards before being discharged. Additionally, these instruments are valuable in agricultural settings to monitor irrigation water quality, which can affect crop health and yield.
Advantages over other Manufacturing - Electronics Manufacturing Equipment
Compared to traditional laboratory-based water testing equipment, in-situ instruments offer significant advantages in terms of portability and real-time data acquisition. They eliminate the need for sample transportation and the associated delays, allowing for immediate corrective actions if necessary. This is particularly beneficial in remote or field locations where laboratory facilities are not readily accessible.
Limitations
Despite their advantages, in-situ water quality testing instruments have limitations. They are often battery-dependent, which can be a drawback during extended fieldwork if batteries deplete. Environmental conditions such as extreme temperatures and humidity can also affect their performance and longevity. Regular maintenance and calibration are required to ensure accuracy, which can be a disadvantage for users seeking low-maintenance solutions.
Considerations
When selecting in-situ water quality testing instruments, several factors should be considered. Initial costs can vary depending on the complexity and capabilities of the instrument. Operating expenses include battery replacements and potential calibration solutions. Durability is a key consideration, especially for instruments used in harsh environmental conditions. Accuracy is paramount, and users should be prepared for regular maintenance and calibration to maintain it. Replacement and maintenance costs should also be factored into the decision-making process, as these can impact the overall cost of ownership.
from Myron L Company
AG6/PH FEATURES. Checks soil pH and salinity. Checks water pH and salinity. Checks correct fertilizer concentration. Checks boiler water conductivity. Automatic temperature compensation means no thermometers or adjustments. Only small amount of soil needed for tests. AG-5 FEATURES. For testing... [See More]
- Form Factor: Lab / Benchtop; In-situ / Field
- Conductivity Range: 0.0 to 5000
- Water Quality Parameters: Water Quality Measurement Instrument; Measures Conductivity / Dissolved Solids
- Instrument Specific Features: Automatic Temperature Compensation
from ABB Measurement & Analytics
The portable UviTec BOD/COD Field Meter provides simple and affordable testing of organic matter in water or wastewater output as biochemical oxygen demand (BOD) or chemical oxygen demand (COD). Operation is straight forward with accurate and repeatable results obtained in seconds. An optional... [See More]
- Form Factor: Portable; In-situ / Field
- Display Type: Digital
- Water Quality Parameters: Water Quality Measurement Instrument
- User Controls: Digital Front Panel
from DOD Technologies Inc.
Test your drinking water using EPA Method 537.1, which identifies 18 common PFAS analytes. This convenient kit provides everything you need to collect and return your samples to us from your work, home or other remote location. Our analytical lab will test and produce a professional, comprehensive... [See More]
- Form Factor: Portable; In-situ / Field
- Display Type: None
- Water Quality Parameters: Water Quality Measurement Instrument
- User Controls: None
from Myron L Company
The choice of hemodialysis professionals for over 30 years, these compact instruments have been designed specifically to test dialysate solutions. By measuring electrical conductivity, they will quickly determine if dialysate concentrations are correct. To use these hand-held instruments, the... [See More]
- Form Factor: Lab / Benchtop; In-situ / Field
- Conductivity Range: 11000 to 15000
- Water Quality Parameters: Water Quality Measurement Instrument; Measures Conductivity / Dissolved Solids
- Instrument Specific Features: Automatic Temperature Compensation
from ABB Measurement & Analytics
The portable TOC/DOC Field Meter from UviTec provides simple and affordable testing of organic matter in water or wastewater output as total organic carbon (TOC) or dissolved organic carbon (DOC). Operation is straight forward with accurate and repeatable results obtained in seconds. An optional... [See More]
- Form Factor: Portable; In-situ / Field
- Display Type: Digital
- Water Quality Parameters: Water Quality Measurement Instrument
- User Controls: Digital Front Panel
from DOD Technologies Inc.
Test your drinking water using EPA Method 537.1, which identifies 18 common PFAS analytes. This process follows EPA Method 537.1 by adhering to all required steps set forth by the EPA for quality control and reporting capabilities. The kit includes everything you need to confidently collect and... [See More]
- Form Factor: Portable; In-situ / Field
- Display Type: None
- Water Quality Parameters: Water Quality Measurement Instrument
- User Controls: None
from Myron L Company
Readings You Can Count On. No water supply is completely pure. Every industrial, commercial, or natural source contains dissolved solids or salts. These impurities contribute to scale, corrosion, poor taste, and environmental pollution that endanger animal and plant life. Myron L ® Company has... [See More]
- Form Factor: Lab / Benchtop; In-situ / Field
- Conductivity Range: 0.0 to 10000
- Water Quality Parameters: Water Quality Measurement Instrument; Measures Conductivity / Dissolved Solids
- Instrument Specific Features: Automatic Temperature Compensation
from ABB Measurement & Analytics
The portable UviTec UV254 field meter leads the way in portable organics field testing for UVA and UV transmittance (UVT) at 254 nm. The meter utilizes UviTec's Split-Sense technology to compensate for lamp fluctuations and drift, enabling highly accurate and reliable results test after test. The... [See More]
- Form Factor: Portable; In-situ / Field
- Display Type: Digital
- Water Quality Parameters: Water Quality Measurement Instrument
- User Controls: Manual Operation
from DOD Technologies Inc.
Test your drinking water using EPA Method 533, which identifies 25 common PFAS analytes. This convenient kit provides everything you need to collect and return your samples to us from your work, home or other remote location. Our analytical lab will test and produce a professional, comprehensive... [See More]
- Form Factor: Portable; In-situ / Field
- Display Type: None
- Water Quality Parameters: Water Quality Measurement Instrument
- User Controls: None
from Myron L Company
Features. • Handheld meters measure TDS and/or pH. • Monitor measures TDS. • All instruments are easy to operate and calibrate. • High degree of accuracy. • Immediate results. • Kit comes with solutions required to calibrate. • Temperature Compensated Readings. TDS... [See More]
- Form Factor: Lab / Benchtop; In-situ / Field
- pH range: 2 to 12
- Water Quality Parameters: Water Quality Measurement Instrument; pH; Measures Conductivity / Dissolved Solids
- pH Measurement Features: pH Reference Electrode Input
from DOD Technologies Inc.
Test your drinking water using EPA Method 533, which identifies 25 common PFAS analytes. This process follows EPA Method 533 by adhering to all required steps set forth by the EPA for quality control and reporting capabilities. The kit includes everything you need to confidently collect and return... [See More]
- Form Factor: Portable; In-situ / Field
- Display Type: None
- Water Quality Parameters: Water Quality Measurement Instrument
- User Controls: None
from Myron L Company
SCALED IN BOTH RANGES. 0-5000 ppm of TDS (442). 0-5000 ppm of NaCl. The “dual ” range PoolMeter ™ is the perfect instrument for the measurement and control of pools and spas. The “dual ” range PoolMeter is a simple compact instrument which operates on the principal of... [See More]
- Form Factor: Lab / Benchtop; In-situ / Field
- Conductivity Range: 0.0 to 5000
- Water Quality Parameters: Water Quality Measurement Instrument; Measures Conductivity / Dissolved Solids
- Instrument Specific Features: Automatic Temperature Compensation
from DOD Technologies Inc.
Test your non-potable water using EPA Method 1633, which identifies 40 common PFAS analytes. This convenient kit provides everything you need to collect and return your samples to us from your work, home or other remote location. Our analytical lab will test and produce a professional, comprehensive... [See More]
- Form Factor: Portable; In-situ / Field
- Display Type: None
- Water Quality Parameters: Water Quality Measurement Instrument
- User Controls: None
from Myron L Company
The choice of professionals for years, this compact instrument has been designed specifically to demonstrate and test Point of Use (POU) reverse osmosis or distillation systems. By measuring electrical conductivity, it will quickly determine the parts per million/Total Dissolved Solids (ppm/TDS) of... [See More]
- Form Factor: Lab / Benchtop; In-situ / Field
- Conductivity Range: 0.0 to 1250
- Water Quality Parameters: Water Quality Measurement Instrument; Measures Conductivity / Dissolved Solids
- Instrument Specific Features: Automatic Temperature Compensation
from DOD Technologies Inc.
Test your non-potable water using EPA Method 1633, which identifies 40 common PFAS analytes. This process follows EPA Method 1633 by adhering to all required steps set forth by the EPA for quality control and reporting capabilities. The kit includes everything you need to confidently collect and... [See More]
- Form Factor: Portable; In-situ / Field
- Display Type: None
- Water Quality Parameters: Water Quality Measurement Instrument
- User Controls: None
from KROHNE Messtechnik
Reliable sludge blanket measurement via optical sensor. The sludge level meter OPTISYS SLM 2100 features an accurate and reliable profile measurement of the sedimentation tank using an optical sensor which travels through all layers of the tank reading suspended solids concentration at the different... [See More]
- Form Factor: In-situ / Field
- Display Type: Digital
- Water Quality Parameters: Water Quality Measurement Instrument; Turbidity
- Maximum Input Channels: 3
from Owlstone Inc.
Lonestar is a portable gas analyzer that can detect a broad range of analytes at part per billion concentrations, with high selectivity in just a few seconds. [See More]
- Form Factor: Portable; Lab / Benchtop; In-situ / Field
- pH Measurement Features: Temperature Measurement (optional feature)
- Water Quality Parameters: Water Quality Measurement Instrument; pH; Measures Conductivity / Dissolved Solids (optional feature)
- Instrument Specific Features: Controller Functionality
from Meter Group
Gee Passive Capillary Lysimeter. The Drain Gauge allows you to measure the flux of water and solutes through the soil profile. It sits below the root zone, collecting down-welling water into a duct and wick system. The collected water volume is recorded by a surface data logger. A surface port... [See More]
- Form Factor: In-situ / Field
- Display Type: None
- Water Quality Parameters: Water Quality Measurement Instrument
- Interface Options: Serial
from Campbell Scientific, Inc.
The OBS-3+ Turbidity Monitor is a submersible probe, part of our OBS ® line of products that use a backscatter method to measure turbidity. The OBS-3+ operates in the range of 0 to 4000 NTU. It replaces the OBS3 on our price lists. The OBS-3+ can be used in several applications, ranging from... [See More]
- Form Factor: In-situ / Field
- Turbidity Range: 0.0 to 4000
- Water Quality Parameters: Water Quality Measurement Instrument; Turbidity
- Accuracy: 2
from Lovibond® Tintometer®
Highlights. Watertight housing. Digital display. Rapid-dissolving tablets. Weight only approx. 100 g. For peace of mind, anyone owning a pool should carry out regular checks on the most important characteristics of the water in the pool (the so-called hygiene parameters). So the quality of the water... [See More]
- Form Factor: Hand Held ; Portable; In-situ / Field
- pH range: 6.5 to 8.4
- Water Quality Parameters: Water Quality Measurement Instrument; pH
- Accuracy: 0.2000
from Advanced Sensors Ltd.
Following in the success of our OIW-EX Series of Side Stream Analyzers the OIW-EX P Series of In Line Analyzers boasts the same rich feature set and maintenance free operation. The OIW-EX P series of oil in water analyzers are designed to operate in hazardous environments and provide consistent,... [See More]
- Form Factor: Lab / Benchtop; In-situ / Field; In Line
- Oil in Water Monitor: 0 to 3000
- Water Quality Parameters: Water Quality Measurement Instrument; Oil/Water
- Display Type: Digital; Video
from Peak Process Controls Inc/Sigrist
In-line measurement in pipe sizes from 1" to 6" [See More]
- Form Factor: In-situ / Field
- Turbidity Range: 0.0 to 2000
- Water Quality Parameters: Water Quality Measurement Instrument; Turbidity
- Instrument Specific Features: Controller Functionality
from OMEGA Engineering, Inc.
The DOB21 is a compact benchtop dissolved oxygen meter and a amperometric dissolved oxygen probe with automatic temperature compensation for field or laboratory applications. The unit measures dissolved oxygen in ppm or percent saturation and temperature in degrees Celsius. Programming is... [See More]
- Form Factor: Portable; Lab / Benchtop; In-situ / Field
- Dissolved O2 Range: 0 to 60
- Water Quality Parameters: Water Quality Measurement Instrument; DissolvedO2
- Accuracy: 0.0200
from Lovibond® Tintometer®
SensoDirect Con110. The SensoDirect Con110 is a compact and versatile meter. The unit is extremely easy to use and is equipped as standard with a protective casing and built-in electrode holder. It is equipped with a LC display showing two or three decimal places and a measuring range either of... [See More]
- Form Factor: Hand Held ; Portable; In-situ / Field
- Conductivity Range: 1 to 19990
- Water Quality Parameters: Water Quality Measurement Instrument; Measures Conductivity / Dissolved Solids
- Accuracy: 3
from Advanced Sensors Ltd.
Maintenance free, the OIW-EX series of oil in water monitors are designed to operate in hazardous environments and provide consistent, accurate and uninterrupted measurements. Using ultrasonic technology, our products provide a consistently reliable measurement environment. This negates the need for... [See More]
- Form Factor: Modular; Lab / Benchtop; In-situ / Field
- Oil in Water Monitor: 0 to 3000
- Water Quality Parameters: Water Quality Measurement Instrument; Oil/Water
- Display Type: Digital; Video
from OMEGA Engineering, Inc.
The TRH444 is a compact turbidity analysis instrument designed for precision measurement of turbidity. The meter is equipped with an advanced microprocessor that results in long-term stability over a wide range of operational conditions. With its low level precision and accuracy, the TRH444 meets... [See More]
- Form Factor: Portable; Lab / Benchtop; In-situ / Field
- Turbidity Range: 0.0 to 1000
- Water Quality Parameters: Water Quality Measurement Instrument; Turbidity
- Accuracy: 0.0100
from Lovibond® Tintometer®
SensoDirect pH110. The SensoDirect pH110 is a high quality, portable, battery operated pH meter. The instrument is equipped as standard with protective casing and built-in electrode holder. The gel electrode of the SensoDirect pH110 is temperature resistant over the range 0 – 80 °C. It is... [See More]
- Form Factor: Hand Held ; Portable; In-situ / Field
- pH range: 0.0 to 14
- Water Quality Parameters: Water Quality Measurement Instrument; pH
- Accuracy: 0.0700
from OMEGA Engineering, Inc.
Pocket-sized ISE meter for measuring chlorine directly in parts per million. It can also be used to display sample temperature or test for pH and ORP. The unit includes 100 reagent tablets at almost half the price of similar Chlorine ISE reagents. Interchangeable flat surface sensor modules make... [See More]
- Form Factor: Hand Held ; Portable; In-situ / Field
- pH Measurement Features: Temperature Measurement
- Water Quality Parameters: Water Quality Measurement Instrument; pH (optional feature); Measures ORP/Redox (optional feature)
- Instrument Specific Features: Automatic Temperature Compensation
from Lovibond® Tintometer®
SensoDirect Salt110. The portable SensoDirect Salt110 provides fast, accurate readings and the convenience of a remote probe separately. The measuring range of this salt tester is 0 to 10 % salt ( % weight ). The SensoDirect Salt110 includes an automatic temperature compensation feature. The unit is... [See More]
- Form Factor: Hand Held ; Portable; In-situ / Field
- Instrument Specific Features: Automatic Temperature Compensation
- Water Quality Parameters: Water Quality Measurement Instrument
- Display Type: Digital
from OMEGA Engineering, Inc.
The CDCN442 toroidal conductivity system isdesigned for online monitoring of chemically aggressive process solutions, water applications that coat or foul traditional sensors, and plating bath operations in which high current densities are present. The sensor consists of 2 metallic ribbon coils that... [See More]
- Form Factor: In-situ / Field
- Conductivity Range: 10000 to 1.00E6
- Water Quality Parameters: Water Quality Measurement Instrument; Measures Conductivity / Dissolved Solids; Measures Resistivity
- Resistivity Range: 10000 to ?
from Lovibond® Tintometer®
The SensoDirect 150 is designed for multi purpose operation and measures pH/Redox, dissolved oxygen and conductivity/TDS. It incorporates an intuitive user interface, large, easy to read display and is supplied with a sturdy handy case with electrodes, buffer solution and accessories. Highlights. [See More]
- Form Factor: Hand Held ; Portable; In-situ / Field
- pH range: 0.0 to 14
- Water Quality Parameters: Water Quality Measurement Instrument; pH; Measures ORP/Redox; Measures Conductivity / Dissolved Solids; DissolvedO2
- Accuracy: 0.0200
from OMEGA Engineering, Inc.
The CDCN-91 series dual channel conductivity/resistivity controller is a two-channel input device equipped with three scalable 4 to 20 mA outputs and four programmable relays. A selector switch activates two open collector outputs in place of two of the relays for extraordinary output versatility. [See More]
- Form Factor: In-situ / Field
- Conductivity Range: 0.0550 to 400000
- Water Quality Parameters: Water Quality Measurement Instrument; Measures Conductivity / Dissolved Solids; Measures Resistivity
- Accuracy: 2
from Lovibond® Tintometer®
SensoDirect pH200. pH / redox measurement and temperature measurement (Pt1000 or NTC 30kOhm). Automatic temperature compensation (ATC). Auto Hold function. Internal memory for 20 data sets. Automatic buffer recognition with Tintometer standard or DIN or individual buffer. 1, 2 and 3 point... [See More]
- Form Factor: Hand Held ; Portable; In-situ / Field
- pH range: 0.0 to 14
- Water Quality Parameters: Water Quality Measurement Instrument; pH; Measures ORP/Redox
- Accuracy: 0.2000
from OMEGA Engineering, Inc.
The CDH-720 and TDS-720 Series water-resistant conductivity/TDS meters are OMEGA ’s reply to requests of accurate, low maintenance process monitoring equipment at affordable costs. Four different models are available to cover all applications. Each meter is supplied with a direct 2 pin probe... [See More]
- Form Factor: Portable; In-situ / Field
- Conductivity Range: 0.0 to 9990
- Water Quality Parameters: Water Quality Measurement Instrument; Measures Conductivity / Dissolved Solids
- Accuracy: 2