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Showing 1–12 of 46 results

Sale!

Hanna Waterproof Combo Handheld Meter

$195.95 $176.36
The Hanna Waterproof Combo Handheld Meter (HI 98129) offers high accuracy pH, EC/TDS and temperature measurements in a single tester! No more switching between meters for your routine measurements. The waterproof Combo (it even floats) has a large easy-to-read, dual-level LCD and automatic shut-off. pH and EC/TDS readings are automatically compensated for the effects of temperature (ATC). This technologically advanced tester has a replaceable pH electrode cartridge with an extendable cloth junction as well as an EC/TDS graphite electrode that resists contamination by salts and other substances. This gives these meters a greatly extended life. Your tester no longer needs to be thrown away when the pH sensor is exhausted.The EC/TDS conversion factor is user selectable as is the temperature compensation coefficient (ß). Fast, efficient, accurate and portable, the Combo pH, EC/TDS and temperature tester brings you all the features you've asked for and more!.Calibration SolutionsSold Separately
  • 7.01 pH Calibration Solution
  • 4.01 pH Calibration Solution
  • Hanna 1500ppm/700 Scale
  • pH Storage Solution
  • pH Cleaning Solution
 
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Sale!

Milwaukee Inst. Smart pH/EC/TDS Meter MW802

$249.95 $224.96
The Milwaukee Smart Combo Meter (MW802) is a compact portable meter with a faster micro processor then most competitve meters. This meter allows you to measure pH, EC and TDS with just one instrument and one single probe! This easier and faster to calibrate portable meter has a smaller, ergonomic and lighter case design. Also has 100% larger and easier to read LED Display and long battery life. It calibrates manually in pH, Conductivity and TDS. Range: 0.00 to 14.00 pH, 0 - 4000 ppm, 0.00 - 6.00 mS/cm, accuracy of ±0.20 pH and ±2% full scale for EC and TDS. Supplied with a MA850 combination electrode, 9v battery, 20ml packet buffer solution of pH 7.01, 1500 ppm and 1413 !S/cm.
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Sale!

Hanna Grocheck Combo Meter HI 9813-6

$267.95 $241.16
  • Water resistant
  • On-screen tutorial messages for calibration
  • BEPS (Battery Error Prevention System) alerts the user in the event that low battery power could adversely affect readings
  • Switch parameters at the touch of a button
  • Automatic Temperature Compensation for pH and conductivity
  • Simple calibration; Dials located on the front panel makes calibration quick and simple, even for non-technical users
  • Battery % displayed on startup
  • Fast response multiparameter probe
HI 9813-5 is a versatile, water resistant, multiparameter portable instrument specifically designed for agricultural applications such as hydroponics, greenhouses, farming and nurseries.This meter features an large LCD that clearly displays the parameter being measured as well as calibration instructions. Calibration is fast and easy with knobs located on the front panel of the instrument.HI 9813-5 is a pH/EC/TDS meter designed for simplicity of use in taking pH, mS/cm, ppm and temperature in the °C scale measurements.This instrument utilizes the HI 1285 series pH/EC/TDS/temperature probe. This probe features a fiber junction and gel electrolyte making it ideal for fertilizer solutions.Includes: HI 9813-5 is supplied with HI 1285-5 multiparameter probe, HI 70007 pH 7.01 calibration solution sachet, HI 70442 1500 ppm (mg/L) calibration solution sachet, HI 70031 1413 µS/cm calibration solution sachet, HI 700661 electrode cleaning solution sachets (2), battery, instructions and rugged carrying case.
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Sale!

Bluelab Combo Meter

$307.95 $277.16
The Bluelab Combo Meter offers gardeners a conductivity, pH, and temperature meter all in one. This battery powered portable meter can be used anytime and anywhere and features auto-off function to extend battery life and simple push button pH calibration. Meter will display temperature as °C or °F, pH 0-14, and conductivity as Electrical Conductivity, Conductivity Factor or parts per million. Includes probes, pH calibration solution, two AAA batteries and a five year manufacturer’s guarantee.
  • Light weight and portable
  • Measures pH, Nutrient and Temperature
  • Three display options for nutrient - EC, CF, ppm (500 scale)
  • Two display options for temperature (C or F)
  • Three calibration points, 4, 7 and 10 pH
  • Temperature at a push of a button
  • Simple push button pH calibration
  • Auto turn off function
  • Large 13mm (1/2) digital display for easy reading
  • Supplied with quality probes and pH calibration solutions
  • Low battery indicator
  • Long life 3 AAA batteries
  • 5 year Bluelab Guarantee (6 mo for pH probe)
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Sale!

Bluelab Guardian Monitor

$399.00 $359.10
In just one glance it measures all three critical parameters for successful growth pH, conductivity and temperature.
  • Adjustable brightness display.
  • Large easy to read, Plant Safe green LED displays.
  • Selectable values for conductivity and temperature.
  • Simple push button pH calibration system.
  • No calibration required for conductivity and temperature.
  • Silent alarm for both high and low settings.
  • Settings retained when power lost (non-volatile memory).
  • Temperature compensation.
  • An international power supply.
  • Water resistant design.
  • 2 year warranty (6 months on probe).
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Sale!

HM Digital Handheld TDS Tester TDS-3

$36.95 $33.26
  • 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 to conserve batteries.
  • Measurement Range: 0-9990 ppm.
  • Built-in digital thermometer
  • Display: large and easy-to-read LCD screen.
  • Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.
  • Also available in "x 10" mode: reads in increments only of 10 ppm (0-9990 ppm).
  • 3 year warranty.
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Sale!

HM Digital EC/PPM TDS Meter COM-100

$74.95 $67.46
  • Measures electrical conductivity (EC), total dissolved solids (TDS) and temperature.
  • Three different calibration options (KCl, 442TM, NaCl), each with its own non-linear conversion factor.
  • Automatic Temperature Compensation (ATC) using three temperature coefficients.
  • Waterproof housing.
  • Measurement Range: 0-9990 µS; 0-8560 ppm (auto-ranging).
  • 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 COM-100 meter is calibrated with a 1413 µS solution. The meter can be recalibrated with digital calibration using the push buttons, rather than a screwdriver.
  • Includes a cap, batteries and lanyard.
  • One year warranty.
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Sale!

Oakton Eco Testr TDS low Meter

Rated 5.00 out of 5
$90.95 $81.86
Oakton‘s Waterproof EcoTestr TDS Low is a convenient TDS meter that doesn’t let dirt or moisture keep it from delivering accurate readings. It features a clear LCD display, a waterproof, dustproof housing, and automatic shutoff! It also has a self-adjusting TDS factor, allowing TDS measurement in an array of applications. Measures TDS from 0 to 1990 ppm with a resolution of 10 ppm. Unit measures 6 1/4" x 1 5/8" x 1 1/8" and includes four 1.5V button cell batteries that provide over 200 hours of use.Calibration SolutionsSold Separately
  • Hanna 1500ppm/700 Scale
  
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Sale!

EC-Shake Nutrient Meter

$102.95 $92.66
This revolutionary EC meter is powered by a magnet instead of a battery! A gentle shaking action generates the energy to power this simple, yet sophisticated meter. With just a few easy steps you will get a quick & accurate reading of the electrical conductivity (EC) of your nutrient solution. This patented meter will completely simplify your growing experience and success.
  • Green LED display.
  • No batteries required.
  • Factory calibrated.
  • Automatic temperature compensation.
  • Automatic on/off function.
  • Waterproof.
  • 1 year warranty.
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Sale!

Truncheon Original TDS Meter

Rated 5.00 out of 5
$134.95 $121.46
With its super tough, high quality, fully waterproof design, no calibration required, daylight readable blue LED's and no on/off buttons to worry about, the Bluelab Truncheon Nutrient Meter has proven itself as the world's favourite nutrient meter. It is powered by three standard AA batteries.
  • EC (0.2 - 3.6), CF (2 - 36) and ppm scales (TDS and 700 scale).
  • Fully waterproof design.
  • No calibration required.
  • Auto sense on and off.
  • No external switches or adjustable buttons
  • 5 year Bluelab® Guarantee.
 
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Sale!

Milwaukee Inst. pH Tester – pH600 AQ

$33.95 $30.56
Milwaukee's most affordable pH tester, the pH600 AQ, has a range: 0.0 to 14.0 pH, with one point manual calibration and accuracy of_+ 0.2 pH. Battery Life: 700 hours. Calibration solution sold separately. 30 day warranty.Sold Separately
  • 7.01 pH Calibration Solution
  • 4.01 pH Calibration Solution
  • pH Storage Solution
  • pH Cleaning Solution
 
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Sale!

Oakton Ecotestr pH1 meter

Rated 4.00 out of 5
$74.95 $67.46
Oakton‘s Waterproof EcoTestr pH1 is a convenient pH meter that doesn’t let dirt or moisture keep it from delivering accurate readings. It features a clear LCD display, a waterproof, dustproof housing, automatic shutoff, and it floats! Measures pH from 0.0 - 14.0 with a resolution of 0.01 and ±0.1 accuracy range. Includes four 1.5V button cell batteries and single-junction electrode.
  • Economical, pocket-sized meter
  • Waterproof, dust proof housing that floats
  • Easy to use; push-button calibration with auto buffer recognition
  • Includes transparent electrode cover / sample cup
  • Push-button calibration, HOLD function, and error messages
  • Range: 0.0 to 14.0 pH
  • Power: four 1.5 V button cell batteries (included)
Calibration SolutionsSold Separately
  • 7.01 pH Calibration Solution
  • pH Storage Solution
  • pH Cleaning Solution
 
Add to cart