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Meters, Timers & Instruments: pH, EC, PPM & TDS Testers: pH, EC, PPM & TDS Meters, Monitors, Testers, Pens & Test Kits for Water & Soil

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Displaying 221 to 240 (of 318 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  [Next >>] 
 Sort by Popularity   Manufacturer   Product(s)   Model+   Price   Buy Now 
 GroChek pH Tester   Hanna Instruments   GroChek pH Tester 
Hanna Instruments GroChek pH Tester (HI981408)This tester has been specifically designed to address the needs of growers in hydroponics, greenhouses, and nurseries. The meter has all the features necessary to check the pH of the fertilizer solution during preparation. With a sturdy body, it also floats so that it can be quickly retrieved if accidentally dropped in the tank. Frequen... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI981408   $78.63 
 GroChek TDS Tester   Hanna Instruments   GroChek TDS Tester 
Hanna Instruments GroChek TDS Tester (HI981409)This TDS tester has been specifically designed to address the needs of operators in hydroponics, greenhouses, and nurseries. Calibration is easy and completely automatic. Simply press and hold the on/off button for a few seconds and the meter will request the appropriate calibration solution. Place the probe in the solution and wait un... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI981409   $80.01 
 GroChek EC Tester   Hanna Instruments   GroChek EC Tester 
Hanna Instruments GroChek EC Tester (HI981410)This EC tester has been specifically designed to address the needs of operators in hydroponics, greenhouses, and nurseries. Calibration is easy and completely automatic. Simply press and hold the on/off button for a few seconds and the meter will request the appropriate calibration solution. Place the probe in the solution and wait unti... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI981410   $80.01 
 Mini pH Controller   Hanna Instruments   Mini pH Controller 
Hanna Instruments Mini pH Controller (HI9814110)The mini pH controller has been designed for easy, affordable installation in tight spaces, ideal for simple and effective process control. The unit is provided with high impedance pH input and can be used with any pH electrode with standard BNC connector. Measurements are clearly displayed on the LCD, while the status LED indicates o... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI9814110   $147.63 
 Cont. pH/TDS/temp Monitor (Special Order)   Hanna Instruments   Cont. pH/TDS/temp Monitor (Special Order) 
Hanna Instruments Cont. pH/TDS/temp Monitor (HI9815045)Designed for continuous monitoring of pH, TDS, and temperature, the monitor 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. No more switching between parame... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI9815045   $174.54 
 Continuous pH/TDS/temp Monitor   Hanna Instruments   Continuous pH/TDS/temp Monitor 
Hanna Instruments Continuous pH/TDS/temp Monitor (HI9815047)Designed for continuous monitoring of pH, TDS, and temperature, this device 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 switchin... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI9815047   $192.50 
 DiST 1 TDS Tester   Hanna Instruments   DiST 1 TDS Tester 
Hanna Instruments DiST 1 TDS Tester (HI98301)DiSTs are rugged and reliable pocket-sized testers that offer quick and accurate readings of conductivity or TDS. The DiST family of testers is widely used for monitoring EC/TDS in drinking water, water conditioning, reverse osmosis, cooling towers, wastewater, laboratories, agriculture, aquaculture and aquariums, hydroponics, and the pr... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI98301   $47.60  $43.05 
 DiST 5 EC/TDS Meter   Hanna Instruments   DiST 5 EC/TDS Meter 
Hanna Instruments DiST 5 EC/TDS Meter (HI98311)When the original DiST (Dissolved Solids Tester) was first introduced, conductivity and total dissolved solids measurements became easy and affordable. The DiST's ease of use, in combination with its affordability, made it the standard in EC and TDS measurement. HANNA continues the standard in EC and TDS testing with the DiST 5. This ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI98311   $91.07 
 GroChek Hanna EC/TDS Monitor w/ HI7632 EC Probe   Hanna Instruments   GroChek Hanna EC/TDS Monitor w/ HI7632 EC Probe 
Hanna Instruments GroChek Hanna EC/TDS Monitor w/ HI7632 EC Probe (HI983301N)Waterproof and chemically resistant, this monitor has been designed to meet the grower's need for equipment suited to the aggressive environments found in agricultural and hydroponics applications. At startup, the meter performs a self-check to ensure proper working condition. This monitor from Hanna has ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI983301N   $79.32 
 GroChek EC Monitor   Hanna Instruments   GroChek EC Monitor  
Hanna Instruments GroChek EC Monitor (HI983302N) Waterproof Rugged Housing Large LCD Manufacturer's Product Information MSRP each $114.95 Dimensions4.52 x 1 x 7 Case Quantity1 ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI983302N   $79.32 
 pH Soil Meter (Special Order)   Hanna Instruments   pH Soil Meter (Special Order) 
Hanna Instruments pH Soil Meter (HI99121N)With this direct soil pre-amplified pH and temperature probe, you can test both the pH of soil directly or after preparation of a diluted sample. The meter features a conical, rugged tip that can be directly inserted in moist or soft soil. For harder soils, the kit includes a plastic auger to perforate the ground. Features ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI99121N   $314.61 
 GroChek pH/EC/TDS/Temp. Combo   Hanna Instruments   GroChek pH/EC/TDS/Temp. Combo 
Hanna Instruments GroChek pH/EC/TDS/Temp. Combo (HI991404)This indicator continuously monitors the three most crucial nutrient parameters in hydroponic, greenhouse, and horticultural applications. At startup, the GroChek performs a self-check to assure proper working condition. The stability indicator and HOLD function lets the user know when to take readings and freezes the readin... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI991404   $179.39 
 Soil Conductivity/Salinity Meter w/ Carrying Case (SPECIAL ORDER)   Hanna Instruments   Soil Conductivity/Salinity Meter w/ Carrying Case (SPECIAL ORDER) 
Hanna Instruments Soil Conductivity/Salinity Meter w/ Carrying Case (HI993310) (SPECIAL ORDER) This instrument was designed to address the need for fast and accurate conductivity measurements in soil and liquids. It is supplied with two probes: a stainless steel, conical tip for direct soil measurement and one for fertilizer-enriched solutions. The meter measures the soil con... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI993310   $441.57 
 WM pH TDS Cntrl. 15 VAC   Hanna Instruments   WM pH TDS Cntrl. 15 VAC 
Hanna Instruments WM pH TDS Cntrl. 15 VAC (HI9935-1)Add this 2-in-1 pH and TDS controller engineered for economical dosage of fertilizer solutions in hydroponics to your growroom. The product measures pH from 0 to 14 and TDS from 0 to 1999 mg/L (ppm). Two separate set points can be adjusted from 4 to 7 pH and 900 to 1800 ppm (mg/L). The relays are activated when the pH exceeds... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HI9935-1   $536.79 
 pH Controller 115V   Hanna Instruments   pH Controller 115V 
Hanna Instruments pH Controller 115V (HIBL981411-1)This pH controller has been designed for easy, affordable installation in tight spaces, ideal for simple and effective process control. The unit is provided with high impedance pH input and can be used with any pH electrode with standard BNC connector. Measurements are clearly displayed on the LCD, while the status LED indicates op... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HIBL981411-1   $151.79 
 Primo TDS Tester   Hanna Instruments   Primo TDS Tester 
Hanna Instruments Primo TDS Tester (HIPRIMO)Primo testers provide a fast and dependable way to measure the total dissolved solids or conductivity in your water samples. Each tester is ideally suited for the rigorous demands of water quality professionals. Many professionals use the cabled version of the Primo when demonstrating the before and after results of conditioning... Note: Calibration Buffer Solutions are available separately. — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HIPRIMO   $33.80 
 HM Digital Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp   HM Digital   HM Digital Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp 
HydroMaster Digital testers make monitoring water easier than ever by reading the levels that matter most and providing accurate readings that you can depend on. Continuous pH/EC/TDS/Temp monitor with rechargeable battery. Portable, wall mount, or benchtop use. HydroMaster HM-500 pH/EC/TDS/°F Tester (113831)• Tests pH at a range of 0 pH-14 pH, temperatures from 30°F-176°F, TDS fro... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HMD500   $247.25 
 Waterproof EC/TDS/Temp Combo Meter   HM Digital   Waterproof EC/TDS/Temp Combo Meter 
HM Digital Meters Waterproof EC/TDS/Temp Combo Meter (HMDCOM100) Measures EC, TDS and temperature. It has three different calibration options (KCl, 442TM, NaCl), each with its own non-linear conversion factor, and Automatic Temperature Compensation (ATC) using three temperature coefficients. Measurement Range: 0-9990 uS; 0-8560 ppm (auto ranging). ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HMDCOM100   $52.84 
 EC/TDS/Temp Waterproof Hydro Tester   HM Digital   EC/TDS/Temp Waterproof Hydro Tester 
HM Digital Meters EC/TDS/Temp Waterproof Hydro Tester (HMDCOM80)   KEY FEATURES Best value in its class (under $50) Measures electrical conductivity (EC), TDS and temperature. Automatic Temperature Compensation (ATC) Water-resistant housing Large LCD display Hold button and Auto shut-off Digital Calibration (push butto... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HMDCOM80   $32.60 
 Waterproof pH/Temperature Meter   HM Digital   Waterproof pH/Temperature Meter 
HM Digital Meters Waterproof pH/Temperature Meter (HMDPH200)FEATURES 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, so you can see if it's dried up Waterproof housing Simultaneous temperature display Measurement Range: 0-14 pH Digital Calibration (push button) ... — Ships from Vancouver, WA and/or HF: North & South California, Colorado, Pennsylvania, Texas, Florida USA....more info.
 hf-HMDPH200   $68.97 
Displaying 221 to 240 (of 318 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  [Next >>] 
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