5 In 1 Digital Water Quality Detector PH/EC/TDS/Salinity/Temperature Testing Meter Multi-Function Water Quality Tester Monitor
$19.98
0
1.3K+sold
$59.99
-66%
(2,627)
2pcs TDS Meter Digital Water Tester Digital 0.0-14.0 PH Meter Tester 0-9990ppm TDS&EC LCD Water Purity PPM Aquarium Filter
$8.48
0
4.1K+sold
$19.99
-57%
(25,953)
1pc 7-in-1 PH TDS EC ORP Salinity S. G Temp Meter Water Quality Monitor Tester For Drinking Water, Aquariums PH Meter
$25.48
0
150sold
$69.99
-63%
(203)
High Accuracy TDS Meter Digital Water Quality Tester, Digital 0-14 PH Meter Tester 0-9990ppm, 3 In 1 TDS, EC, Temperature Meter Pen For Drinking Water Fertilizer Concentration For Farm
$4.48
0
1.4K+sold
$22.98
-80%
(121,058)
New 10 in 1 Water Quality Tester PH/TDS/EC/SALT/TEMP/S.G/ORP/H2/Fertile/Resistivity Tester Pen For Aquarium Swimming Pool
$27.44
0
371sold
$53.14
-48%
(203)
1pc, 5-in-1 TDS/EC/Salt/S.G./Temperature Salt Meter Swimming Pool Drinking Water Aquarium Digital Saltwater Water Quality Tester
$11.65
0
109sold
$57.29
-79%
(203)
Portable LCD Digital TDS Water Quality Tester Water Testing Pen Filter Meter Measuring Tools Accessory For Aquarium Pool
$2.14
0
3.2K+sold
$3.49
-38%
(7,223)
GOXAWEE Portable 7-in-1 Water Quality Tester, PH/ORP/EC/TEMP/SALT/S.G/TDS LCD Water Salinity Tester, Multifunctional Analysis Instrument, Drinking Water Aquariums Hydroponic Cooking Tester, High Accuracy Water Tester For Pools
$25.98
0
424sold
$69.99
-62%
(121,058)
PH TDS Meter Digital Tester Pen Aquarium Pool SPA Water Quality Monitor
$5.39
0
798sold
$50.68
-89%
(18,375)
4 In 1 PH Meter PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester For Pools Drinking Water Aquariums
$20.98
0
80sold
$90.33
-76%
(2,627)
7-in-1 Water Quality Tester, Multifunctional Analysis Instrument Test Pen, PH/ORP/EC/TEMP/SALT/S.G/TDS LCD Backlight
$26.98
0
568sold
$72.58
-62%
(2,627)
1pc Digital Water Quality Tester, TDS EC Meter, Ultra High Accuracy Water Quality Meter, Multi-functional Water Purity Temperature Meter
$3.98
0
170sold
$20.55
-80%
(2,091)
4 in 1 PH and TDS Meter Digital Water Tester 0.01 High Accuracy Pen Type PH Meter, Water Test Kit for Household Drinking, Pool and Aquarium Water
$7.18
0
54sold
$64.09
-88%
(103)
1pc High Accuracy 5 In 1 Salinity/ EC/ Temp/ TDS/ PH Meter Digital Drinking Water Quality Tester For Aquarium Hydroponics Type-C Charge
$33.29
0
1sold
$39.09
-14%
(11)
1 Set, PH And TDS Meter Combo, 0.05ph High Accuracy Pen Type PH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter For Hydroponics, Household Drinking, And Aquarium, CE Certified
$9.39
0
524sold
$39.94
-76%
(1,375)
TDS Multifunctional Intelligent Backlight Water Quality Detection Pen 3-in-1 Water Monitoring Instrument Household Water Hardness Test Pen
$6.48
0
114sold
$28.95
-77%
(19,456)
3-in-1 TDS Dual Color Backlight Household Water Quality Testing/EC Conductivity/Temperature Testing Pen
$5.48
0
58sold
$28.95
-81%
(44,551)
2pcs Digital TDS Meter And PH Tester For Aquarium And Water Purification - Accurate 0.0-14.0 PH And 0-9990ppm TDS/EC Reading - LCD Display For Easy Reading
$8.48
0
79sold
$33.36
-74%
(9,193)
4 In 1 Tds Meter Digital Water Tester - Accurate And Reliable TDS EC & Temperature(°C, °F) Meter - 0-9990ppm - Professional Testing For Drinking Water, RO/DI System, Aquariums, Pool, Etc.
$7.48
0
14sold
$19.79
-62%
(7)
1pc Digital PH/TDS/Temp Meter With ATC PH Tester, 3-in-1 High Precision Water Quality Tester With 0.01 Resolution And LCD Backlight, For Drinking/Aquariums/Hydroponics/Pools/Wine, Portable PH Meter
$20.23
0
2sold
$23.48
-13%
(1,691)
Portable Pen Portable Digital Water Meter Filter Measuring Water Quality Purity Tester TDS Meter
$3.47
0
294sold
$26.74
-87%
(44,551)
Digital pH Meter with TDS & EC Tester, 0-14 pH Range, Battery Powered with Button Battery, Water Quality Testing Pen for Aquariums
$9.89
0
$17.99
-45%
(11,626)
TDS Water Quality Detector (M2) Accurate And Reliable Compact, Lightweight, Portable TDS Water Quality Detection Pen, Multifunctional Pen, EC Meter&thermometer 0-9999ppm, Ideal TDS Water Quality Detector For Drinking Water, Aquariums, Etc
$3.48
0
200sold
$15.24
-77%
(3,566)
Beige Portable LCD Digital TDS Water Purity Tester - Battery Operated; For Safe Aquarium, Pool & Dining Water
$2.42
0
85sold
$2.98
-18%
(54)
Accurately Monitor Your Drinking Water Quality with the TDS EC PPM Meter Test Pen!
$3.48
0
926sold
$15.24
-77%
(2,165)
TDS Meter Digital Water Tester 0-9990ppm Drinking Water Quality Analyzer Monitor Filter Portable Digital LCD TDS-M2 Meter Pen
$3.48
0
540sold
$15.24
-77%
(44,551)
1set (Salinity+EC+Ph+TDS+Temperature) Five In One Water Quality Testing Pen Color Large Screen Display, High Precision Aquarium Water Quality Testing Pen Swimming Pool Water Quality Testing Pen
$22.48
0
6sold
$31.37
-28%
(1,691)
Bside U1 professional digital clamp meter fork dc ac 100a ampere meter clamp T-RMS current openjaw electrical tester car multimeter
$31.86
0
3sold
$134.78
-76%
"Easy-to-Read" Hytais Ts-18D High Precision Digital Clamp Meter - Ac/Dc Voltage, Resistance, Capacitance, Temperature & Diode Measurement Tool With Live Wire Detection
$19.79
0
12sold
(7)
Three in one high-precision water quality detection pen (Ph+TDS+temperature) for swimming pools, fish ponds, and fish tanks
$20.67
0
3sold
(1,691)
Automatic range Digital Clamp Meter T-RMS 6000 Counts, Multimeter Voltage Tester Auto-ranging, Measures Current Voltage Temperature Capacitance Resistance Diodes Continuity Duty-Cycle (AC/DC Current)
$28.79
0
959sold
$38.48
-25%
(16,682)
TP-101 Digital Meat Thermometer For Cooking Food Kitchen BBQ Probe Water Milk Oil Liquid Oven Temperature Measurement For Large Restaurant Kitchen, Digital Temperature Sensor Meter (battery Included)
$2.12
0
12K+sold
$19.55
-89%
(25,953)
1pc Digital Clamp Meter DC/AC Current Multimeter Ammeter Voltage Tester Car Amp Hz Capacitance NCV Ohm Temperature Test
$14.98
0
119sold
$35.94
-58%
(16,682)
1pc Test Meter Digital LCD 3 In 1 Multi-function Tester Pen Water Quality Tester
$3.98
0
2.8K+sold
$20.55
-80%
(23,290)
Soil Moisture Meter, 4-in-1 Soil pH Tester with Digital Plant Temperature, Light, Soil Moisture, pH Meter, and Backlight LCD Display - Plant Water Meter for Gardening, Farming, Lawn and Outdoor
$15.48
0
3sold
1pc Digital Multimeter Tester Auto-Ranging TRMS 6000 Counts Voltmeter Smart Rechargeable Meter Measures AC/DC Current, NCV, Voltage, Ohm, Amp, Resistance, Diodes, Countinuity, Capacitance, Temperature
$29.24
0
676sold
(16,682)
"Accurate" 5-In-1 Water Quality Tester For Pools, Ponds & Aquariums - Alloy, Led Display, Sandproof, Battery Operated
$14.39
0
2sold
$24.99
-42%
(1,691)
TASI Ultra-Thin Multimeter & Ohm Meter - Electrician's Universal Meter with Extra Large Screen, Fully Automatic Intelligent Anti-Burning Digital Multifunctional Ohm Meter
$16.14
0
21sold
$44.44
-63%
(24)
1pc NJTY T28B Digital Multimeter, 6000 Counts Auto-Ranging Voltage Tester Meter With Ohm Volt Amp Capacitance Temperature Frequency Diode Backlit LCD And Flashlight
$31.99
0
13sold
$64.73
-50%
(959)
2-In-1 PH Chlorine Meter Chlorine Tester PH Tester Chlorine Water Quality Testing Device CL2 Measuring For Pool Aquarium
$16.04
0
1.7K+sold
$114.21
-85%
(113,353)
1pc Water Quality Chlorine Tester, Portable Digital Water PH Tester, Chlorine Level Meter Water Quality Analysis Checker For Drinking Water, Swimming Pool, Spa Water (Batteries Not Included)
$25.98
0
74sold
$114.21
-77%
(39,901)
"Digital Clamp Meter Multimeter 2000 Count TRMS: AC/DC Voltage & AC Current Tester for Accurate Measurements"
$26.98
0
1sold
$86.53
-68%
(7)
UNI-T UT256 Digital True RMS Fork Automatic Multimeter 60A AC DC Current Clamp Meter NCV Tester High Precision
$46.27
0
18sold
$74.99
-38%
(360)
1pc, Soil Tester, 3-in-1 Plant Moisture Meter Light And PH Tester For Home, Garden, Lawn, Farm, Indoor And Outdoor Use, Promote Plants Healthy Growth, Environmental Testing Instrument Illumination Hygrometer Ph Meter
$3.80
0
51sold
$4.99
-23%
(2,067)
Soil Moisture Meter, 5-in-1 Soil pH Tester with Digital Plant Temperature, Light, Soil Moisture, pH Meter, and Backlight LCD Display - Plant Water Meter for Gardening, Farming, Lawn and Outdoor
$10.99
0
7sold
NJTY T28B Digital Multimeter High Precision Multifunctional Auto-Ranging True RMS Tester for AC/DC Voltage, Current, Resistance, Capacitance, Temperature, Diode Measurement - ABS Housing, Battery Operated (Excludes Battery), ≤36V Operating Voltage
$25.98
0
1sold
UNI-T UT210D Professional Mini Clamp Meter - 200A AC/DC Digital Ammeter with Frequency, Resistance & Capacitance Multitester
$60.48
0
45sold
$213.81
-71%
(360)
Accurate PH Meter: Get 0.01 High Precision Measurement for Household Drinking, Pool & Aquarium Water with GOXAWEE PH Tester Pen
$4.80
0
17K+sold
$34.99
-86%
(121,058)
JUEMEL Water Quality Chlorine Tester, Water Quality Tester, Portable Digital Water PH Tester, Chlorine Level Meter Water Quality Analysis Checker For Drinking Water, Swimming Pool, Spa Water (Batteries Not Included)
$21.14
0
110sold
$101.44
-79%
(1,299)
NJTY T1 Digital Multimeter, High Precision Intelligent Auto-Ranging, True RMS Measurement, Non-Contact Power Test, Auto-Off, ABS Material, Battery Powered (No Battery Included), Operating Voltage ≤36V
$8.22
0
131sold
$23.06
-64%
(7)
HT206D Current Clamp Meter Pliers Ammeter Professional Digital Multimeter 600V 600A AC DC Tester
$30.14
0
383sold
$93.99
-67%
(5,610)
Professional Ohm Meter: 1000V DC/AC Voltmeter, Ammeter, Resistance & Capacitance Tester for Biode, LED & Transistor
$27.89
0
85sold
(6,841)
UNI-T TDR Cable Tester Twisted Pair Cable Detector Coaxial POE Network Cable Length Sequence Detector RJ11 RJ45 Plug Adapter Digital Meter
$106.64
0
29sold
$269.00
-60%
(1,399)
TASI Digital Lux Meter with Color Screen, High Accuracy Illuminance Measuring Tool for LED Lighting and More, Professional Grade Digital Light Meter with Data Storage and Transfer to compter
$34.19
0
1sold
$95.60
-64%
(24)
4-in-1 Soil Moisture Meter Digital Plant Temperature/Soil Moisture/PH Meter/Sunlight Intensity/Environment Humidity Backlight LCD display Soil Test Meter for Gardening, Farming and Outdoor Plants
$10.11
0
8sold
$45.68
-77%
PH Meter 0.01 High Precision for Water Quality Tester with 0-14 Measurement Range Suitable Aquarium Swimming Pool
$2.94
0
170sold
$5.98
-50%
(5,476)
Digital Clamp Meter Tester, 1000A T-RMS 4000 Counting Current Amplifier Meter, Multimeter Voltage Tester Automatic Ranging, Measuring Voltage, Temperature, Capacitance, Resistance, Frequency Continuity, NCV Induced Voltage
$27.98
0
225sold
$48.32
-42%
(16,682)
UNI-T TDR Cable Wire Tester, Adjustable Sensitivity Line Finder, POE Network Cable Length Sequence Detector, RJ11 RJ45 Plug Adapter Digital Meter, LCD Display
$111.47
0
1sold
$269.00
-58%
1pc, Foreign Trade Quality Four-In-One Soil Detector Soil Tester Soil Ph Meter Thermometer Soil Moisture Meter 13.39*2.36*1.38 Inches
$6.58
0
268sold
$63.87
-89%
(375)
1pc 4-in-1 soil survey instrument, Electronic Soil Detector, PH Tester, Light Meter, Acid And Alkali Detection
$7.19
0
12K+sold
$61.03
-88%
(11,837)
View more