Hanna Instruments Primo TDS Tester w/Batteries & Auto Calibration | 0 - 1999 PPM

Hanna Instruments Primo TDS Tester w/Batteries & Auto Calibration | 0 - 1999 PPM

Hanna Instruments 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... more

$49.99 $40.74

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Hanna Instruments PRIMO3 TDS Tester with Cabled Probe, 0 to 1999 ppm, 1 ppm EC Resolution, 0.1 Degree C Resolution, +/-2% Accuracy, 0 to 60 Degree C

Hanna Instruments PRIMO3 TDS Tester with Cabled Probe, 0 to 1999 ppm, 1 ppm EC Resolution, 0.1 Degree C Resolution, +/-2% Accuracy, 0 to 60 Degree C

The Hanna Instruments Primo 3 is a total dissolved solids (TDS) and temperature tester for water quality applications, with automatic temperature compensation, automatic calibration, and automatic shutoff after five minutes of non-use. The meter is... more

$82.76

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6in1 Handheld Ph PPM Temp TDS EC CF Meter Water Hydroponic Aquarium Tester Kit Solution

6in1 Handheld Ph PPM Temp TDS EC CF Meter Water Hydroponic Aquarium Tester Kit Solution

The Six-in-one Meter can be used to constantly monitor the Temperature, PH, TDS of your nutrient solution or living environment of aquariums. It is also an essential tool for those who frequently do chemical experiments. This easy-to-use and affordable... more

$68.99

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APEC TDSMETER Digital Water Quality TDS Tester Meter with Carrying Case, 0 to 1999 ppm Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy

APEC TDSMETER Digital Water Quality TDS Tester Meter with Carrying Case, 0 to 1999 ppm Measurement Range, 1 ppm Resolution, +/- 2% Readout Accuracy

Tds stand for TOTAL dissolved solids, which includes Salt, metal or mineral in the water. A tds meter is an easy to use hand-held digital meter to instantly check your overall water quality. It allows you to stay on top of your drinking water quality... more

$18.48

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ABLEGRID TDS Meter Digital LCD Tester Water Quality Filter Purity Pen Stick 0-9999 PPM

ABLEGRID TDS Meter Digital LCD Tester Water Quality Filter Purity Pen Stick 0-9999 PPM

Description: This is a Digital TDS Meter Tester, For Test the Filter Water Quality Purity, Check the performance of your water filter, Check for hardness (1grain=17ppm), Make sureyou always drink pure water! Features: 1. 100% Brand new and high quality... more

$7.99

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iSpring 3-Button Digital TDS Water Hardness Test Meter Kit with Temperature Calibration, 0 - 9990 ppm Measurement Range, 1 PPM Accuracy

iSpring 3-Button Digital TDS Water Hardness Test Meter Kit with Temperature Calibration, 0 - 9990 ppm Measurement Range, 1 PPM Accuracy

A TDS meter (aka ppm pen, nutrient tester, TDS stick) is an inexpensive and convenient digital tool to instantly check your overall water quality. TDS stands for Total Dissolved Solids, which is any salt, metal or mineral in the water. With the push of... more

$13.99

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Hanna Primo 1-1999 PPM A/Off 1 PPM Resolution Pocket TDS Meter

Hanna Primo 1-1999 PPM A/Off 1 PPM Resolution Pocket TDS Meter

Hanna Hanna PRIMO 1-1999 PPM A/Off 1 PPM Resolution Pocket TDS Meter more

$39.99

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Hanna HI70080P 800 PPM (MG/L) 25C 25 Pack TDS Calibration Solution

Hanna HI70080P 800 PPM (MG/L) 25C 25 Pack TDS Calibration Solution

Hanna Hanna HI70080P 800 PPM (MG/L) 25C 25 Pack TDS Calibration Solution Size: Large. more

$95.39

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(2) Hanna Instruments Combo pH/EC/TDS/C/PPM Tester & Temp Monitors | HI98129

(2) Hanna Instruments Combo pH/EC/TDS/C/PPM Tester & Temp Monitors | HI98129

(2) Hanna Instruments Combo pH/EC/TDS/C/PPM Testers- Dual-level LCD- Replaceable pH electrode cartridge- Measures in PPM (parts per million)- Waterproof and designed to float- Cloth, renewable junction- Close proximity temperature probe- Automatic... more

$464.99 $324.99

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Milwaukee TDS/PPM T75 Tester WP

Milwaukee TDS/PPM T75 Tester WP

Stainless steel probes deliver fast and accurate readings with ten times better resolution. Comes with protective case and calibration solution. Measures in part per million (PPM) more

$85.59

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"Hanna Primo TDS Tester"

"Hanna Primo TDS Tester"

"The Primo TDS tester provides a fast and dependable way to measure the Total Dissolved Solids in your water samples. It is ideally suited for the rigorous demands of water quality professionals, who will appreciate the practicality of Primo's... more

$37.56

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Hanna TDS Calibration Solution HI 7032, 1382 ppm, 230 ml

Hanna TDS Calibration Solution HI 7032, 1382 ppm, 230 ml

The TDS Calibration Solution (HI 7032, 1382 ppm, 230 ml) by Hanna Instruments will keep the TDS meter on your Hanna Instruments Combo Waterproof Tester properly calibrated, which is crucial for producing accurate readings. The Hanna Instruments TDS... more

$18.99

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"Hanna 1382 PPM TDS Solution 20 ml (25/Cs)"

"Hanna 1382 PPM TDS Solution 20 ml (25/Cs)"

"HANNA® packet solutions are prepared according to precise formulas and are standardized with a pH meter calibrated according to the NIST standards. The 20 mL sachets are single-dose and are ready to use. Sold in case quantities only. " more

$1.06

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Hanna TDS Calibration Solution HI 70442, 1500 ppm, 230 ml

Hanna TDS Calibration Solution HI 70442, 1500 ppm, 230 ml

Hanna Instruments TDS Calibration Solution (HI 70442, 1500 ppm, 230 ml) is a premium-quality conductivity solution. Precision results and readings are certain when you calibrate your TDS instruments with this NIST999 potassium chloride and deionized... more

$17.99

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Hanna Instruments PH/EC/TDS/C Portable Meters

Hanna Instruments PH/EC/TDS/C Portable Meters

"Hanna Instrument's pH/EC/TDS waterproof meter designed for simplicity in taking pH, åµS/cm, ppm (mg/L) and temperature measurements. both the HI 9811-5 and HI 9812-5 are ideal for hydroponics, greenhouses, farming and ground water applications. Due to... more

$212.47

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Hanna Instruments DiST 5 EC/TDS Meter

Hanna Instruments DiST 5 EC/TDS Meter

"When the original DiSTåš (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... more

$121.50

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Hanna Waterproof EC/TDS Tester

Hanna Waterproof EC/TDS Tester

Hanna Instruments Waterproof EC/TDS Tester is an intuitive nutrient-concentration meter with a straight-forward design. Details on the Hanna Instruments Waterproof EC/TDS Tester: Easily replaceable graphite electrode Stainless steel probe Automatic... more

$119.99

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"Hanna DiST 5 Waterproof EC/TDS Temperature Tester (HI 98311)"

"Hanna DiST 5 Waterproof EC/TDS Temperature Tester (HI 98311)"

"The original DiST (Dissolved Solids Tester) was first introduced in 1986 by HANNA®. Since then, Conductivity and Total Dissolved Solids measurements have never been easier. DiST's ease-of-use, in combination with its affordability, made it the... more

$102.36

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HANNA Instruments HI 98130

HANNA Instruments HI 98130

Combo pH/EC/TDS/Temperature Tester with High Range EC. High accuracy pH, EC/TDS and temperature measurements in a single tester. more

$129.00

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HANNA Instruments HI 86301N

HANNA Instruments HI 86301N

TDS Portable Meter from 0 to 1999 ppm (mg/L). OVERSTOCK Price $89.00 more

$89.00

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HANNA Instruments HI 98129

HANNA Instruments HI 98129

Combo pH/EC/TDS/Temperature Tester w/Low Range EC. HI 98129 Combo waterproof tester offer high accuracy pH, EC/TDS and temperature measurements in a single tester. more

$129.00

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HM Digital TDS-4 Pocket Size TDS Tester Meter with 0-9990 ppm Measurement Range , 1 ppm Resolution, +/- 2% Readout Accuracy

HM Digital TDS-4 Pocket Size TDS Tester Meter with 0-9990 ppm Measurement Range , 1 ppm Resolution, +/- 2% Readout Accuracy

Product Description: How Pure is Your Water? A TDS meter (aka ppm pen, nutrient tester, tds stick) is an inexpensive and convenient digital tool to instantly check your overall water quality. TDS = Total Dissolved Solids, which is any salt, metal or... more

$17.96

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HM Digital AP-1 AquaPro Water Quality Total Dissolved Solids Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, +/- 2% Readout Accuracy (Magnetic Body)

HM Digital AP-1 AquaPro Water Quality Total Dissolved Solids Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, +/- 2% Readout Accuracy (Magnetic Body)

Product Description: How Pure is Your Water? A TDS meter (aka ppm pen, tds stick) is an inexpensive and convenient digital tool to instantly check your overall water quality. TDS = Total Dissolved Solids, which is any salt, metal or mineral in the... more

$21.95

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HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, +/- 2% Readout Accuracy

HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, +/- 2% Readout Accuracy

Product Description: NEW! The COM-80 is an economically priced, reliable EC/TDS meter (ppm pen / nutrient tester) that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking... more

$32.60

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HM Digital ZT-2 Basic TDS Tester, 0-999 ppm Measurement Range , 1 ppm Resolution, +/- 3% Readout Accuracy

HM Digital ZT-2 Basic TDS Tester, 0-999 ppm Measurement Range , 1 ppm Resolution, +/- 3% Readout Accuracy

How Pure is Your Water? A TDS meter is an inexpensive and convenient digital tool to instantly check your overall water quality. TDS = Total Dissolved Solids, which is any salt, metal or mineral in the water. With the push of a button, the ZT-2 can... more

$12.38

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Hanna Instruments Primo TDS Tester w/ Auto Calibration, 2-Pack| Hiprimo

Hanna Instruments Primo TDS Tester w/ Auto Calibration, 2-Pack| Hiprimo

Package Includes: (2) Hanna Instruments Primo TDS Testers ---------- Hanna Instruments 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... more

$76.99

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Oakton Waterproof TDSTestr 11 Plus Pocket Meter, 0 to 200 ppm; 0 to 2000 ppm; 0 to 10.00 ppt TDS Range

Oakton Waterproof TDSTestr 11 Plus Pocket Meter, 0 to 200 ppm; 0 to 2000 ppm; 0 to 10.00 ppt TDS Range

The Oakton Portable Waterproof TDSTestr is a pocket-sized total dissolved solids (TDS) tester that floats, is suitable for use in a tank or pond, and has automatic temperature compensation and single- or one-point per range calibration. It comes with a... more

$93.25

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Cole-Parmer 99001048-010 Dual-range, high-resolution, tds testr 30, 0 to 99.9 ppm, 100 to 999 ppm

Cole-Parmer 99001048-010 Dual-range, high-resolution, tds testr 30, 0 to 99.9 ppm, 100 to 999 ppm

DESCRIPTION: dual-range, high-resolution, TDS Tester 30, 0 to 99.9 ppm, 100 to 999 ppm, number of items: 1, made in United States, manufactured by Cole-Parmer. more

$56.50

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Hanna Instruments HI 98129 Waterproof Combo Tester - pH, EC, TDS, Temp, As Shown

Hanna Instruments HI 98129 Waterproof Combo Tester - pH, EC, TDS, Temp, As Shown

Hanna Instruments offers innovative solutions for testing and controlling analytical properties for effective soil nutrient management. Easy to use testers are well built, reliable and will assist you in growing superior crops. Calibration, storage and... more

$293.04

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Oakton Waterproof TDSTestr 11 Pocket Meter, 0 to 2000 ppm/0 to 10.00 ppt TDS Range

Oakton Waterproof TDSTestr 11 Pocket Meter, 0 to 2000 ppm/0 to 10.00 ppt TDS Range

The Oakton Portable Waterproof TDSTestr is a pocket-sized total dissolved solids (TDS) tester that floats, is suitable for use in a tank or pond, and has automatic temperature compensation and single- or one-point per range calibration. It comes with a... more

$70.61

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Watts Premier 273001 Digital Water Purifier Tester

Watts Premier 273001 Digital Water Purifier Tester

273001 Features: -Water purifier tester. -Large and easy-to-read LCD screen. -TDS range: 0 - 9990 ppm (mg/L). -Built-in sensor for automatic temperature compensation. Generic Dimensions: -6" H x 2" W x 1" D, 3 lbs. Dimensions: Overall Product Weight:... more

$29.67

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Hanna Instruments HI9934-1 Industrial Grade TDS Controller with Proportional Fertilizer Dosing, For Hydroponic Application, 0 to 1999 ppm (mg/L), 115VAC

Hanna Instruments HI9934-1 Industrial Grade TDS Controller with Proportional Fertilizer Dosing, For Hydroponic Application, 0 to 1999 ppm (mg/L), 115VAC

HI 9934 is supplied complete with instructions. HI 9934 is a wall mounted meter that controls TDS in the 0 to 1999 ppm ( milligrams per liter) range through a single set point for dosage of fertilizers. The proportional control can be fine tuned... more

$577.00

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LabGenius 7200-DSI LabGenius Waterproof pH/ORP/Conductivity/TDS/Salt/Temp Pocket Tester

LabGenius 7200-DSI LabGenius Waterproof pH/ORP/Conductivity/TDS/Salt/Temp Pocket Tester

The lab genius waterproof meter is capable of performing multifunctional testing on ph., Cond(us), tds(ppm), orp(mv), salt(ppm). it is simple to calibrate by one keyboard. Low batter and consumption indicator with Auto power shut-off after 10 minutes... more

$102.60

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Oakton Multi-Range TDS Tester

Oakton Multi-Range TDS Tester

Multi-Range TDS Tester, TDS Range 0 to 200.0, 0 to 2000 ppm; 0 to 10.00 ppt, Temp. Range (F) 32 to 122 Degrees F, Display Dual Line LCD, Calibration 1, 2 or 3 Point, Includes Protective Plastic Storage Case, Lanyard, and Batteries, Range 0 to 200, 0 to... more

$93.25

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Milwaukee MIT75 Waterproof TDS Tester

Milwaukee MIT75 Waterproof TDS Tester

The IP67 Waterproof casing and replaceable probe make it suitable also for heavy-duty applications, such as wastewater treatment and agriculture. The modular design allows easy probe and battery replacement. Tester range: 0 to 1999 ppm (mg/L).... more

$59.10

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Hanna Instruments 716820 Combo Waterproof ph/EC/TDS/Temp (HI 98129)

Hanna Instruments 716820 Combo Waterproof ph/EC/TDS/Temp (HI 98129)

The combo waterproof Tester offer high accuracy pH, EC/tds & 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 &... more

$149.95

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Hanna Instruments HI1220 EC/TDS Probe with DIN Connector, 240mm Length

Hanna Instruments HI1220 EC/TDS Probe with DIN Connector, 240mm Length

The Hanna Instruments HI 1220 is an electro-conductivity (EC) and total dissolved solids (TDS) probe with Automatic Temperature Compensation (ATC), measures 24cm (9.4'), can be used to mix fertilizer solutions, is for use with the HI 981409 TDS tester... more

$12.74

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Digital LCD TDS Tester Meter for Water Quality Testing 3-in-1 Accurate(TDS,EC,Temperature), 0-9990 ppm, 1 ppm Resolution,+/-2% High Accuracy TEMP PPM Meter Tester Filter Pen Purity

Digital LCD TDS Tester Meter for Water Quality Testing 3-in-1 Accurate(TDS,EC,Temperature), 0-9990 ppm, 1 ppm Resolution,+/-2% High Accuracy TEMP PPM Meter Tester Filter Pen Purity

How to use it: 1.Please unplug the electrode sleeve before use 2.Press the switch ,place the electrode into the test solution. 3.After the numerically stable ,press the HOLD button and take it out of the solution to read. 4.After reading ,turn off the... more

$10.99

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HM Digital ZT-2 TDS Testing Meter, Purple

HM Digital ZT-2 TDS Testing Meter, Purple

Measures TDS Tests TDS (total dissolved solids), an indicator of water quality Measurement Range: 0-999 ppm Measure high TDS levels for high usability Advanced Microprocessor Creates a highly efficient and accurate tester Auto-off Automatically shuts... more

$14.97

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Apera Instruments TDS20 Value Waterproof TDS Pocket Tester, Accuracy: ±1% F.S, 0.5˚C, Complete Kit

Apera Instruments TDS20 Value Waterproof TDS Pocket Tester, Accuracy: ±1% F.S, 0.5˚C, Complete Kit

The Apera Instruments TDS20 tester is simply the most reliable pocket TDS tester with the best value for all kinds of regular TDS testing, including tap water testing, agriculture, aquaculture, pools& spas, education, etc. (Range: 0-100.0 ppm, 0-1000... more

$59.50

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