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ATU-100 HAM Antenna Tuner Aluminum Alloy Tester C Type 1.8‑30Mhz 0‑15VDC Antenna Tuner Tester Radio Transceivers
Aliexpress UK
EC, TDS: ±2%F.S. The water quality tester is suitable for water sources, aquarium, hydroponics, hot springs, swimming pools and other water systems. EC: 0-19990us/cm 0-19.9ms/cm. PH: 0.00-14.00 PH. pH: 0.01PH.
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High Quality 50MW FTTH Fiber Optic Tester Pen Type Red Laser optical fiberLight 50KM Visual Fault Locator Optical Cable Tester
Aliexpress UK
8-11: Alkalinity. This ph tester can read super fast and accurate, which is convenient for you to judge the data. Purpose: PH value test. 1 x PH Testing Machine. 2 x PH Reagent. If you are satisfied with our service, pls.
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50mw Visual Fault Locator FTTH Fiber Optic Cable Tester 50KM Range VFL Fiber Optic Tester Pen Red light Optical Fiber light 50KM
Aliexpress UK
This water quality tester is designed to test pH and chlorine level for swimming pool and spa. It is easy to operate, no more chemicals need. Large screen quickly shows the test result with high precision.
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Mini 4 in 1 Optical Power Meter Visual Fault Locator Fiber Optic Light Meter Optic Fiber Tester OPM Tester VFL
Aliexpress UK
DPD Test Kits are test devices which operate with the help visual comparisons. The finer the scale, the easier it is to classify the test results. Great for testing hot tub or swimming pool water. FREE 10 Phenol Red Tablets and FREE 10 DPD No. 1 Tablets.
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NOYAFA Network Cable Length Tester NF-8601W POE/PING Testers Multipurpose Line Tracker with 8Pcs Remot Line Network Tracker
Aliexpress UK
If chlorine is above 3.0 ppm, PH results may be inaccurate. Reduce chlorine before testing PH. Functions: PH & Residual Chlorine Testing. Ideal Chlorine Range: 1.0–1.5 ppm. 1x Swimming Pool Water Test Box.
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COMPTYCO AUA-D50 Optical Power Meter Visual Fault Locator Network Tester LED Light 4 in 1 Fiber Optic Tester FTTH Testing Tool
Aliexpress UK
CL2 can also get eaten up if lot of nitrogen (from debris, pee, sunscreen, sweat). An electro-tester for testing pH and free chlorine (Cl2) levels in water for routine monitoring of pH and chlorine levels of swimming pools, spas and different water sources.
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FTTH Fiber Optic Tester Pen Type Red optical fiber Light Visual Fault Locator Optical Cable Tester 5-50MW VFL
Aliexpress UK
1 PH Probe.
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COMPTYCO 1-50KM FTTH Fiber Optic Tester Pen Type Red Optical Fiber Light Visual Fault Locator Optical Cable Tester 5-50MW VFL
Aliexpress UK