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PH REPLACEMENT PROBE Special Order For HM Digital Waterproof pH Meter Model PH-200
Measures pH and Temperature.
Auto-ranging three point calibration with digital fine tuning.
Includes 4 pH buffer solution in a sponge embedded in a clear cap.
Waterproof housing.
Simultaneous temperature display.
Measurement Range: 0-14 pH.
Digital automatic calibration (one point), with digital fine tuning.
Auto-off f... ...more.
pH Test Indicator 8 oz. pH Test Indicator 8 oz. (eco-5516)pH Test Indicator 8 oz
pH test kit.
Fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial. Use 3 drops per 5mL of solution.
SKU: GH1516
Weight: 1.0 lbs.
Package Dimensions: 1.2L x 1.7W x 6.0H
Suggested Retail: $10.76
... — Ships from Seattle, Washington USA...more.
pH Test Kit. GENERAL HYDROPONICS pH TEST KIT (LIQUIDS ONLY) Range of 4.0-8.5Add sample to be tested to the clear container and add three drops from the test kit bottle to it. Place the cap on tightly and shake. Now compare the samples color to the test chart.... — Ships via UPS from Portland, Oregon USA...more.
COMMERCIAL TRUNCHEON METER (EC/PPM) Bluelab Commercial Truncheon®
EC(0.4-6.0), CF(4-60) and ppm scales (TDS and 700 scale)
Fully waterproof
Factory calibrated
Auto sense on and off
No external switches or adjustable buttons
Battery life minimum 1 year (or shelf life of battery)
5 year Bluelab guarantee
The Bluelab Commercial Truncheon® Nutrient Meter measures the strength of a nutrient solution, just ... ...more.
KILL A WATT METER Kill A Watt
KILL A WATT METER
Measures electrical consumption accurately within 0.2% and is ETL approved. Features large LCD screen which displays 8 critical units of measurements. Enables you to cost forecast.
Manufacturer's Product Information
2007 MSRP Each $39.95
Case Weight0.44 LB
Case Dimens... ...more.
Active Air 3-Way Meter (12/case) Active Air 3-Way Meter (12/case) (eco-2374)ActiveAir 3 - Way Meter
Active Air™ Environment Meters
Gardeners can conveniently test their moisture, light, and pH levels with the handy ActiveAir 3-Way Meter. Moisture readings register on a scale of 0 (dry) to 10 (moist), light readings range from 0 (low light) to 2000 (very strong light), and pH readings between pH 0 (acidic)... This item is sold individually. — Ships from Seattle, Washington USA...more.
FH TRI-METER REPLACEMENT PROBE - 3' CABLE Tri-Meter Replacement Probe
TRI-METER PH REPLACEMENT PROBE (3'CABLE
Replacement probe for the Tri-Meters or the pH Meters. 6 month limited warranty.
Manufacturer's Product Information
2007 MSRP Each $66.95
Case Weight0.12 LB
Case Dimensions9. x 3.25 x 0.5 IN
Case Quantity1
... — FREE shipping when ordering $75 or more of qualifying items....more.
Hanna pH/Temperature Waterproof Pen (pHep4 Meter) Hanna pH/Temperature Waterproof Pen (pHep4 Meter)
HANNA WATERPROOF PENS
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 Instru... — 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.
HM HANDHELD TDS-3 TESTER HM Digital Handheld TDS Tester Model TDS-3
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 Rang... ...more.
WATERPROOF ECOTESTR 1 Oakton® EcoTestr™ PH1
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)... ...more.
Accurate pH 3. This is the Accurate pH 3. This waterproof meter is a step up from Control Wizard Products' Accurate pH 2 meter. It's readings are shown in whole, tenths and hundredths of a pH point.It has a one-point calibration process for fast and accurate tests. This process requires the pH 7.0 calibration solution (sold separately).The electrode (CW504) is easily replaceable by the consumer a... Note: Calibration Buffer Solutions are available separately. — Ships via UPS from Portland, Oregon USA...more.
HANNA GROCHEK® REPLACEMENT pH PROBE - HI1285-6 (SPECIAL ORDER ONLY) HANNA GROCHEK® REPLACEMENT pH PROBE - HI1285-6 (SPECIAL ORDER ONLY) (716816) FOR 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 broken bulb i... Note: Calibration Buffer Solutions are available separately....more.
MILWAUKEE MARTINI PH55 PH/TEMP PROBE ONLY Probe Only FOR Martini pH55/Temp Tester
IP67 Waterproof pH tester with large dual-level LCD that displays pH and temperature (°C or °F). The large display shows readings in an extended range from 2.0 to 16.0 pH and simultaneously shows temperature from 5.0 to 105.0°C or 23.0 to 221.0°F. This tester has a stability indicator and hold function that freezes the display for easy and... ...more.
OAKTON WATERPROOF pH TESTER 30 Oakton Waterproof Dbl Junction pHTestr® 30 w Temperature
WATERPROOF PH TESTER 30
Dual Display of pH & TemperatureHigh 0.01 pH accuracy Simultaneous pH and temperature (C) displaypH range - 1.0 to 15.0 pH Three point push-button calibrationDouble junction electrode ideal for dirty water, heavy sulfides and organicsIncreased reference gel volume offers significantly ... Note: Calibration Buffer Solutions are available separately....more.
Meters, Timers & Instruments 
