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Dissolved Oxygen (DO), Conductivity, Salinity, Total Dissolved Solids (TDS) Meters
For Testing and Monitoring
Conductivity, Dissolved Oxygen, Salinity, and Total Dissolved Solids in Liquids

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Water Quality Meters

TDS3 Meter with Carrying Case

HM-TDS-3
$49.95
$18.95

TDS3 Meter with Carrying Case
TDS Meter with Digital Thermometer
Ideal for commercial use. Includes a carrying case with belt clip. Highly efficient and accurate due to its advanced microprocessor technology. Hold Function: saves measurements for convenient reading and recording. Auto-off function: the meter shuts off automatically after 10 minutes of non-use. Measurement Range: 0-9990 ppm. Built-in digital thermometer. Large and easy-to-read LCD screen.

HM Digital Pocket Size TDS Meter TDS-4 Water Quality Tester

HM-TDS-4
$35.00
$19.69

HM Digital Pocket Size TDS Meter TDS-4 Water Quality Tester
The Smallest and Lightest TDS Meter on the Market
The smallest and lightest TDS meter on the market. Advanced microprocessor technology. Hold Function: saves measurements for convenient reading and recording. Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries. Measurement Range: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1 ppm. Large and easy-to-read LCD screen.

Hanna Instruments Digital Combo pH/TDS/Temperature Testing Meter

HI-98129
$148.00
$131.00

Hanna Instruments Digital Combo pH/TDS/Temperature Testing Meter
Combo Meter Measures pH, Temperature and TDS
No more switching between meters, the Combo Tester does it all! pH Range: 0.0 to 14.0 Accuracy: ±0.1 pH. Temperature Range 0.0 to 60.0°C/32.0 to 140.0°F. TDS Range: 0 to 2000 ppm.

Extech EC500 Exstick II pH/Conductivity/Temperature Meter

EX-EC500
$139.99

Extech InstrumentsExStik II - pH / Conductivity / TDS / Salinity & Temperature Meter
5-in-1 Meter Measures pH, Conductivity, Total Dissolved Solids (TDS) Salinity and Temperature
Measures 5 parameters including Conductivity, TDS, Salinity, pH, and Temperature using one electrode. 9 units of measure: pH, µS/cm, mS/cm, ppm, ppt, mg/L, g/L, °C, °F. Analog bargraph indicates trends. Memory stores up to 25 labeled readings. Adjustable Conductivity to TDS ratio from 0.4 to 1.0; 0.5 fixed Salinity ratio. RENEW feature alerts user when electrode needs replacement.

ExStik Conductivity/TDS/Salinity Meter

EX-EC400
Qualifies for Free Super Saver Shipping $79.99 Qualifies for Free Super Saver Shipping

Extech InstrumentsExStik Conductivity / TDS / Salinity Meter
Waterproof with High Accuracy Multi-Range Sensor That Measures 4 Parameters
Autoranging meter offers 3 ranges of measurements from tap water to wastewater and any aqueous solution requiring a conductivity, TDS or Salinity measurements. Units of measure include µS, mS, ppm, ppt, mg/L, and g/L. High accuracy multi-range conductivity cell measures Conductivity, TDS, Salinity, and Temperature. Adjustable Conductivity to TDS ratio factor from 0.4 to 1.0 — conveniently calculates the TDS value. Large 3-1/2 digit (2000 count) Digital display with analog bargraph to indicate sample trends. Automatic Temperature Compensation of 2% per °C. Simultaneous display of Conductivity, TDS, or Salinity plus Temperature. Internal memory stores up to 15 labeled readings for easy recall.

Heavy Duty Dissolved Oxygen Kit

EX-407510
Qualifies for Free Super Saver Shipping $399.99 Qualifies for Free Super Saver Shipping

Extech InstrumentsHeavy Duty Dissolved Oxygen Meter
Dual Display of Oxygen Concentration and Temperature plus RS-232 PC Interface
Super large 1.4" (36mm) LCD display. Dual display of oxygen and temperature. Measures dissolved oxygen from 0 to 20.0mg/L and 0 to 100.0% oxygen plus temperature from 32 to 122°F (0 to 50°C). Automatic Temperature Compensation from 0 to 50°C via temperature probe sensor built into polarographic type oxygen probe. Fast 0.8 second sampling time. Recall Min/Max/Average readings. Built-in RS-232 PC serial interface with optional data acquisition software and datalogger. Kitted complete with 0.8"(20mm) diameter probe on 13ft (4m) cable, 3 membranes, rubber holster, 9V battery and hard vinyl carrying case. Auto power off saves battery life.

Heavy Duty Conductivity/Temperature Meter
EX-407303
Out of Stock

Extech InstrumentsHeavy Duty Conductivity & Temperature Meter
Dual Display of Conductivity and Temperature plus RS-232 PC Interface for Datalogging
Super large 1.4" (36mm) LCD display. 3 Measuring Ranges with resolution from 0.1µS and accuracy to ±2%. Dual display of conductivity and temperature measurements. Conductivity ranges include 200µS, 2mS and 20mS. Measures Temperature from 32 to 140°F and 0 to 60°C. Manual or Automatic Temperature Compensation from 0 to 50°C adjustable from 0 to 5% per °C. Fast 0.8 second sampling time. Recall Min/Max/Average readings. Includes RS-232 PC serial interface. Auto power off with override saves battery life. Kit comes complete with 1K carbon cell on 39" (1m) cable, protective holster, 9V battery and hard vinyl carrying case

pH/Conductivity Plus TDS (polymer cell)

EX-341350-P
$399.99

Extech InstrumentsOyster pH & Conductivity Meter
Measures Total Chlorine from 0.01ppm. Unaffected by Sample Color or Turbidity
Measures total chlorine quickly, economically and accurately in wide variety of water samples. It detects Free Chlorine, Hypochlorite and Chlorine bound to Nitrogenous Compounds. Ideal for the measurement of chlorine in drinking, cooling, industrial and domestic wastewater treatment. The ExStik™ chlorine is also very useful in any processes that use chlorine as a biocide and sanitation agent such as industrial process water, spas, pools and food processing.
Related Books

Laboratory Manual for the Examination of Water, Waste Water and Soil, 3rd Edition

JW-3527298258
Qualifies for Free Super Saver Shipping $75.00 Qualifies for Free Super Saver Shipping

Laboratory Manual for the Examination of Water, Waste Water and Soil
Learn The Proper Techniques for Examination of Water and Water Quality
This successful laboratory manual is now available in its third edition. It has been thoroughly revised and updated. New features include:
- Methods for the determination of AOX, TOC and DOC
- Luminescent bacteria waste water test
- Extended description of sample preparation for soil analysis
- Comprehensive description of environmental protection measures in the laboratory
As in the previous editions, all methods for analysis described can be applied without consulting further literature. They have proven their practicability. Their description includes the necessary safety measures. 224 pages.

Analytical Instrumentation: A Guide to Laboratory, Portable and Miniaturized Instruments

JW-0470027959
$100.00
Qualifies for Free Super Saver Shipping $86.15 Qualifies for Free Super Saver Shipping

Analytical Instrumentation: A Guide to Laboratory, Portable and Miniaturized Instruments - Hard-cover
Insightful Text Covering Principles of Analytical Instrumentation for Today's Chemists & Biologists
This valuable resource covers the principles of analytical instrumentation used by today's chemists and biologists and presents important advances in instrumentation, such as the drive to miniaturize and lab-on-a-chip devices. In terms of the lab-based analytical instrumentation, the five main categories of technique—spectroscopic, chromatographic, electrochemical, imaging and thermoanalytical, are included and presented in a practical, not theoretical way. Including relevant examples and applications in a number of fields such as healthcare, environment and pharmaceutical industry this book provides a complete overview of the instruments used within the chemistry industry, making this an important tool for professionals and students alike. 318 pages.
 

 

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