Tds Monitor

List Price: $24.99
Sale Price: $15.59
You save: $9.40 (38%)

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Description

Ideal for all basic water testing applications. The best value meter in the world! .. Economy model that is ideal for end-users. .. 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 to conserve batteries. .. Measurement Range: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image. .. Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver. ...

Features

• Economy model that is ideal for end-users.
• 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. Display: large and easy-to-read LCD screen.

List Price: $31.99
Sale Price: $16.99
You save: $15.00 (47%)

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Description

The Milwaukee Instruments pH Pen, PH600 is an easy to use pH meter. It features +- 0.2 Accuracy, one-point calibration and a long battery life (hours of continuous use). Calibration solution not included.

Features

• Includes protective cap
• Includes calibration screwdriver
• Batteries included
• Instructions included

List Price: $35.00
Sale Price: Too low to display

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Description

TDS Meter - Tester To Test For Total Disolved Solids In Water - Reverse Osmosis Membrane Tester The Only Way To Know If Your Reverse Osmosis RO Membrane Is Performing Correctly - Tests for TDS - Total Dissolved Solids. A Must For All RO System Owners. Compare Incoming Feed Water To Treated Water - Replace Membrane If Less Than 80% of TDS Is Being Removed - Total dissolved solids (TDS) are the total weight of all solids (minerals, salts or metals) that are dissolved in a given volume of water expressed in milligrams per liter (mg/L), or in parts per million (PPM). The lower the TDS level in the water, the more efficiently your body's cells actually get hydrated by the water that you drink. The higher the TDS levels in the water, the greater the probability of harmful contaminants that can pose health risks or hinder the absorption of water molecules on the cellular level. 17 PPM of TDS = 1 grain of hardness. 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: 0-9990ppm. From 0-999ppm, the resolution is in increments of 1ppm. From 1,000 to 9,990ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image. Display: large and easy-to-read LCD screen. Factory Calibrated: recalibration is not necessary, but can be done easily with a watch screwdriver. There's no need for messy solutions to initially calibrate the meter. Range: 0 - 9990ppm (mg/L) Accuracy: +/- 2% ATC: Built-in sensor for Automatic Temperature Compensation of 1 to 50 degrees Celsius (33 to 122 degrees Farenheit) Power source: 2 x 1.5V button cell batteries (included) Battery life: over 1,000 hours of continuous use Dimensions: 14 x 2.3 x 1.5cm (5.5 x .9 x .55 inches) Weight: 32g (1.13 oz) We really like this tester and think that anyone who wants to know about the quality of their water should have one of these TDS Meter Testers.

Features

• 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

List Price: $129.99
Sale Price: $75.00
You save: $54.99 (42%)

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Description

FEATURESMeasures pH and TemperatureAuto-ranging three point calibration with digital fine tuningIncludes 4 pH buffer solution in a sponge embedded in a clear cap so you can see if it's dried upWaterproof housingSimultaneous temperature displayMeasurement Range: 0-14 pH Digital Calibration (push button)Auto-off function data-hold function and low-battery indicator. Display: large and easy-to-read LCD screen includes simultaneous temperature reading.Factory Calibrated: The PH-200 meter is three-point factory calibrated to 4 7 and 10 pH. The meter can be recalibrated with digital calibration using the push buttons rather than a screwdriver. Includes a cap batteries and lanyardSPECIFICATIONSpH Range: 0 - 14Temperature Range: 0-80 C; 32-176 FResolution: 0.01 pH; Temperature resolution is 0.1 C/FAccuracy: +/- 0.02 pHCalibration: Digital calibration by push button.Electrode: Replaceable glass sensor and reference tube electrodesHousing: Waterproof (submersible; floats)Power source: 3 x 1.5V button cell batteries (included)Dimensions: 18.5 x 3.4 x 3.4 cm (7.3 x 1.3 x 1.3 inches) Weight without case: 96.4 g (3.4 oz)

Features

• Measures pH and temperature
• Auto ranging 3 point calibration with digital fine tuning
• Simultaneous temperature display
• Measurement range 0-14 pH

List Price: $154.00
Sale Price: $126.00
You save: $28.00 (18%)

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Description

No more switching between meters, the Combo Tester does it all!

Features

• Automatic calibration at one or two points with two sets of memorized buffer values for ease of use
• Replaceable electrodes to prolong life of meter
• Automatic temperature compensation (ATC) eliminates need for extra calculations
• Waterproof and floats in water
• Automatic shut-off to extend battery life

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Description

Ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver. FEATURESIncludes an internal digital thermometer (celsius).The smallest and lightest TDS meter available on the market.Hold Function - Saves measurements for convenient reading and recording.Auto-off function - Turns off meter after 10 minutes of non-use to conserve batteries.Dual Range - Measures from 0 - 999 ppm, with a resolution of 1ppm. From 1000 to 9990 ppm, the resolution is 10 ppm, indicated by a blinking 'x10' image.Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.Recommended for aquariums & aquaculture, horticulture & hydroponics, pools & spas and water cooler professionals.

List Price: $131.22

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Sale Price: $40.00

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Description

www.Atlas-scientific.com
Conductivity probe Required, NOT included. Conductivity probe Required, NOT included. Reading the electrical conductivity (E.C.) total dissolved solids (TDS) and salinity of a liquid is an extremely complicated task, frustrating many embedded systems engineers. Atlas Scientific has taken the complexity out of E.C. / TDS and salinity water quality analysis with the Atlas Scientific E.C.-2 Conductivity Circuit. The E.C.-2 is a highly compact conductivity monitoring system that fits into any breadboard.The E.C.-2 can take readings from 3 different types of conductivity probes (K 0.1/ K 1.0/ K 10); giving the E.C.-2 a range from 11µs up to 92,000µs. Communication with the E.C.-2 is done using only 6 simple commands. The E.C.-2 Conductivity Circuit provides scientific grade readings to any embedded system that has a UART RS-232 interface.

Features

• E.C. readings +/- 5µs
• Full E.C. capability from 10µs to 65,000µ
• Total dissolved solids (TDS) referenced to KC
• Temperature dependent or temperature independent reading
• 5V operational voltag

Sale Price: $149.95

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Description

www.Atlas-scientific.com
Reading the electrical conductivity (E.C.) total dissolved solids (TDS) and salinity of a liquid is an extremely complicated task, frustrating many embedded systems engineers. Atlas Scientific has taken the complexity out of E.C. / TDS and salinity water quality analysis with the Atlas Scientific E.C.-2 Conductivity Circuit. The E.C.-2 is a highly compact conductivity monitoring system that fits into any breadboard.The E.C.-2 can take readings from 3 different types of conductivity probes (K 0.1/ K 1.0/ K 10); giving the E.C.-2 a range from 11µs up to 92,000µs. Communication with the E.C.-2 is done using only 6 simple commands. The E.C.-2 Conductivity Circuit provides scientific grade readings to any embedded system that has a UART RS-232 interface.

Features

• Full E.C. capability from 11?s to 92,000?s
• E.C. readings +/- 5?s
• Temperature dependent or temperature independent readings
• Single reading or continuous reading modes
• Total dissolved solids (TDS) referenced to KCL

List Price: $27,289.74
Sale Price: $15,458.76
You save: $11,830.98 (43%)

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Description

Cisco Catalyst 3750E 48-Port Multi-Layer Ethernet Switch. CATALYST 3750E 48PORT 10/100/ 1000 +2 10GE(X2) 265W IPB S/W STK-SW. 48 x 10/100/1000Base-T, 2 x

Features

• Manufacturer/Supplier: Cisco Systems, Inc. Product Type: Layer 3 Switch.
• Interfaces/Ports: 48 x RJ-45 10/100/1000Base-T LAN, 1 x RJ-45 Console Management, 2 x Stack.
• Number of Expansion Slots: 2. Expansion Slots: (2 Total) X2 Uplink. Manageable: Yes.
• The Cisco C3750E-48TD-S Switch with StackWise Plus is an enterprise-class line of stackable wiring closet switches that facilitates the deployment of secure converged applications while maximizing investment protection for evolving network and application requirements.