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HANNA PORTABLE PH/EC/TDS METER (HI9813-0) Hanna Waterproof pH/EC/TDS Meter (Model HI 9813-0)
HI 9813-0 allows you to measure pH, EC (conductivity) and TDS with just one instrument! This meter has a full-spectrum pH measurement range.
The EC range goes to 4.00 mS/cm. In the TDS range, both instruments use a conversion factor from 0.56 to 0.72 for fertilizer readings, to ensure your measurements fully conform to indust... ...more.
Hanna Portable pH/EC/TDS/Temp Meter w/ CAL CHECK (HI 9813-6N) Hanna Combo Meter
HI 9813-6 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... — Ships from Seattle, Washington USA...more.
MI SMS110 PH MONITOR (1/CASE) Milwaukee pH Monitor [model SMS110]
SMS110 PH MONITOR
Model SMS110 pH monitor, range: 0.0 to 14.0 pH, with 2 point manual calibration, and accuracy of 0.2 pH. Set point range: 3.5 to 7.5 pH, and led visual alarm active when reading is higher than set point. Supplied with 12v DC power adapter, MA911B/2 double junction pH electrode, 20ml. pH 7.01 buffer solution and screwdrive... Note: Calibration Buffer Solutions are available separately.This item is sold individually. — FREE shipping when ordering $75 or more of qualifying items....more.
MI SMS410 TDS MONITOR (1/CASE) Milwaukee TDS Monitor [model SMS410]
SMS410 TDS MONITOR
TDS monitor, range: 0-1990 ppm with accuracy of 2% full scale and with 1 point manual calibration and automatic temperature compensation. Set point range 700 to 1800 ppm, and led visual alarm active when reading is lower than set point. Supplied with 12v DC power adapter, MA812B/2 conductivity probe and 20ml. 1500 ppm p... Note: Calibration Buffer Solutions are available separately.This item is sold individually. — FREE shipping when ordering $75 or more of qualifying items....more.
OAKTON MULTI PTTESTER 35 (PH/TDS/TEMP) Oakton® MULTI PT Testr 35
One pocket sized meter for pH, TDS and temperature!
Up to 5 point pH calibration with NIST or USA auto buffer recognition.
Great for water, laboratory or plant use, this multi Testr features single-junction pH electrodes for longer life and wider range of sample compatibility. Pin-style conductivity sensors feature stainless steel electrodes for chem... ...more.
Replacement Electrode for Hanna pH/EC/TDS Pen (Combo Meter) HANNA WATERPROOF PENS
Replacement Electrode for pH/EC/TDS Pen
Hanna Instruments offer the most advanced pens in the market today. The pHep4 pH/Temperature waterproof pen
has a .01 ph resolution. The Dist5 EC/TDS pen is unmatched in EC/TDS/Temperature measurement. The Combo
pH/EC/TDS/Temperature pen offers highly advanced accuracy with a single tester. All Hanna Instruments pens... — Ships from Perris, California; Cranston, Rhode Island; Portland, Oregon; Aurora, Colorado; Dallas, Texas USA — FREE shipping when ordering $75 or more of qualifying items....more.
Replacement pH Electrode for 24-7 Nutrient Monitor. If your 24-7 Nutrient Monitor pH electrode breaks or wears out, order this item. This electrode is compatible with the combination Hanna meter listed on this site as HI9813-6 GROCHECK PORTABLE COMBO. ... Note: Calibration Buffer Solutions are available separately. — Ships via UPS from Portland, Oregon USA...more.
Replacement probe for CalCheck Meter (HI1285-6) Replacement probe for CalCheck Meter (HI1285-6)
Preamplified pH and EC Probe with CAL CHECK™ for use with HI 9813 Series. Recommended for greenhouses, hydroponics, environmental monitoring, water treatment, boilers and cooling towers.... — Ships from Seattle, Washington USA...more.
T75 WATERPROOF TDS TESTER (1/CASE) Milwaukee Waterproof TDS Tester [model T75]
T75 WATERPROOF TDS TESTER
Model T75 Waterproof TDS tester with automatic temperature compensation and 1 point manual calibration range: 0.0 to 1999 ppm (mg/L), replaceable MA73075 probe.
Manufacturer's Product Information
2007 MSRP Each $76.95
Case Weight0.71... Note: Calibration Buffer Solutions are available separately.This item is sold individually....more.
TDS Wand TDS Wand CW512
The TDS Wand™ replaces the EC Dipstick™ as the new flagship PPM meter from CWP Instruments™. The lighted display is large and easy to read. There are no mistakes when the temperature compensating microchip quickly senses the electro-conductivity of the nutrient solution or water sample and automatically freezes the displayed reading. PPM, EC and CF scales are easi... — Ships via UPS from Portland, Oregon USA...more.
CW DIPSTICK
DigiStick™
DIGI STICK
The lighted display is large and easy to read. There are no mistakes when the temperature compensating microchip quickly senses the electro conductivity of the nutrient solution or water sample and automatically freezes the display reading. PPM, EC and CF scales are easily accessed by easy to read buttons. Cutting edge electronic circuitry keep... — FREE shipping when ordering $75 or more of qualifying items....more.
Dual Grochek - Same as above - self calibrating (HI991404) Dual Grochek - Same as above - self calibrating (HI991404) (eco-5422D)GroChek pH/EC/TDS/Temp. Combo
Large, Dual-level Backlit LCD
Waterproof
Auto Calibration & pH Temp. Computing
Hanna Dual Grochek
The HI 991404 continuously monitors
pH/EC/TDS/Temp. in your
nutrients. Comes with a rugged, nonclogging
pH electrode and conductivity
probe that will stand up to the most
agressi... — Ships from Seattle, Washington USA...more.
EC 1.413 CALIBRATION/BOX OF 25 SACHETS EC 1.413 Calibration/Box of 25 Sachets (CAL-3)MILWAUKEE WATERPROOF PENS The Milwaukee Waterproof Pen series of EC, TDS (PPM) and pH pens allow you to monitor your nutrient solution for best plant growth. They all feature replaceable electrodes for long life. The batteries will last 1500 hours of use. The pH pen will measure from 0 to 14.0 pH. The EC and TDS pens have automatic tem... — Ships from Perris, California; Cranston, Rhode Island; Portland, Oregon; Aurora, Colorado; Dallas, Texas USA...more.
Gro’Chek® Combo pH/EC Wall Mount Meter GRO’CHEK® PH/EC METER WALL MOUNT
These meters are ideal for agricultural,
horticultural and hydroponics applications
where pH and EC levels need to be continuously
monitored for optimal plant growth. These
wall-mount meters feature a larger, easy-to-read
LCD that displays pH and EC readings
simultaneously.
MSRP: $182.95... — Ships from Perris, California; Cranston, Rhode Island; Portland, Oregon; Aurora, Colorado; Dallas, Texas USA...more.
HANNA GROCHEK® WATERPROOF pH/EC/TDS TEMP METER W/pH ELECTRODE DIAGNOSTIC - HI9813-6 HANNA GROCHEK® WATERPROOF pH/EC/TDS TEMP METER W/pH ELECTRODE DIAGNOSTIC - HI9813-6 (716815) Hanna Waterproof pH/EC/TDS Temp Meter W/pH Electrode Diagnostic HI 9813-6
pH electrodes are commonly designed to produce and output signal equal to 0 mV when immersed in a solution with pH 7. But a constant output value at pH 7 occurs as a result of certain adverse events, such as: A ... — FREE shipping when ordering $75 or more of qualifying items....more.
Hanna pH/TDS/Temperature meter HANNA PH/TDS/TEMPERATURE
CONTINUOUS READ METER
Designed for continuous monitoring of pH, TDS and
temperature. It is simple to install and can
be placed above the sample to be tested. pH, TDS
and temperature measurements are simultaneously
displayed on three backlit LCDs which can be easily
viewed at a distance - even in low light. This means
no more switching between parame... — Ships from Perris, California; Cranston, Rhode Island; Portland, Oregon; Aurora, Colorado; Dallas, Texas USA — FREE shipping when ordering $75 or more of qualifying items....more.
Meters, Timers & Instruments 
