qolviro - Quality Products And Services

New Arrivals

-5%

Neptune Systems Apex Conductivity Calibration Solution 53.0 mS

Original price was: $11.99.Current price is: $11.39. Add to cart
-5%

BESTING Grounding Test Kit with Outlet Tester and Conductivity Pen

Original price was: $14.99.Current price is: $14.24. Add to cart
-4%

APEC TDS Meter Water Quality Test Kit with Carrying Case 0-1999ppm

Original price was: $18.99.Current price is: $18.23. Add to cart
-2%

HM Digital Conductivity Meter COM-80 with 0-5000 ppm TDS Range

Original price was: $27.55.Current price is: $27.00. Add to cart
-2%

CQRobot TDS Meter Sensor for Raspberry Pi/Arduino – Input, Waterproof

Original price was: $11.99.Current price is: $11.75. Add to cart
-2%

HM Digital Triple Inline RO/DI TDS Monitor with 1/4″ T-Fittings TRM-1

Original price was: $33.30.Current price is: $32.63. Add to cart
-2%

Apera Instruments AI213 Waterproof TDS Pocket Tester Kit ±1% Accuracy

Original price was: $53.34.Current price is: $52.27. Add to cart
-2%

Digital Salinity Meter, Platinum Electrode & Concave Surface for Lab-Grade Accuracy, Auto-Measured Salt Content Tester, Rapid Test for Aquarium/Saltwater/Salty Food, Range: 50ppt/1.000〜1.045

Original price was: $56.99.Current price is: $55.85. Add to cart
-2%

HM Digital HMDCOM100 Waterproof EC/TDS And Amp Temperature Combo Meter

Original price was: $49.99.Current price is: $48.99. Add to cart
-3%

Apera Instruments, LLC-AI314 Premium Series EC60 Waterproof Conductivity Pocket Tester Kit, ±1% F.S Accuracy, Easy Switch of EC/TDS/Salinity, Replaceable Probe

Original price was: $78.79.Current price is: $76.43. Add to cart
-3%

Apera Instruments 84 µS/cm (microsiemens) Conductivity Standard Calibration Solution, 8 oz

Original price was: $15.00.Current price is: $14.55. Add to cart
-5%

HM Waterproof EC/TDS/Temp Combo Meter

Original price was: $49.95.Current price is: $47.45. Add to cart
-47%

MyronL ULTRAPEN Conductivity Tester PT1 Pocket-Size Auto-Range

Original price was: $179.99.Current price is: $95.18. Add to cart
-2%

Conductivity Pocket Tester Apera EC20 Value Series with BPB Probe

Original price was: $48.67.Current price is: $47.70. Add to cart
-2%

YINMIK 56.2mS Conductivity Solution Salinity Calibration, 4×50 mL

Original price was: $12.99.Current price is: $12.73. Add to cart
-3%

HM Digital COM300 Conductivity Meter Waterproof Accurate Temperature

Original price was: $93.00.Current price is: $90.21. Add to cart
-45%

HORIBA LAQUAtwin EC-33 Pocket Conductivity Meter 0‑199.9 mS/cm Range

Original price was: $179.00.Current price is: $97.80. Add to cart
-8%

Waterproof pH TDS Tester Hanna Instruments HI98130 Meter

Original price was: $215.00.Current price is: $198.82. Add to cart
-4%

HI98304 EC/TDS Tester by Hanna Instruments – 19.99 mS/cm

Original price was: $99.99.Current price is: $95.99. Add to cart
-3%

4 in 1 TDS Meter Digital Water Tester by ILORVIUN with Titanium Probes

Original price was: $7.99.Current price is: $7.75. Add to cart
-4%

Commercial In-Line Dual TDS Monitor HM Digital Conductivity Meter

Original price was: $38.58.Current price is: $37.04. Add to cart
-5%

Conductivity System PVDF GF Piping Systems 3-2850-52-41V

Original price was: $1,257.77.Current price is: $1,194.58. Add to cart
-17%

Extech EC510 Waterproof ExStik II pH/Conductivity Meter Kit

Original price was: $234.00.Current price is: $195.10. Add to cart
-3%

Bante 540 Portable Conductivity Meter | Resistivity, Conductivity, TDS, Salinity Meter | 0 to 200 mS/cm Range, ±0.5% Accuracy | Suitable for Sea Water Salinity and Routine Conductivity Measurements

Original price was: $310.00.Current price is: $299.31. Add to cart
-4%

HM Digital AP-2 AquaPro Water Quality Electrical Conductivity Tester, 0-9999 µS Range, 1 µS Resolution, +/- 2% Readout Accuracy , Black

Original price was: $18.99.Current price is: $18.23. Add to cart
-27%

Conductivity Probe AZ 86021/86031/84051 for Meter-0-199.9 us/cm

Original price was: $133.00.Current price is: $97.45. Add to cart
-0%

Conductivity Meter Myron L 4PII with Auto Ranging and Temp

Original price was: $900.92.Current price is: $899.14. Add to cart
-4%

Bluelab PENCON Conductivity Pen Digital TDS Meter for Hydroponics

Original price was: $89.59.Current price is: $86.01. Add to cart
-30%

Extech EC400 Waterproof Conductivity Meter TDS Salinity Temperature

Original price was: $134.00.Current price is: $94.46. Add to cart
-2%

Bluelab 2.77 EC Calibration Solution 30 Single‑Use Sachets

Original price was: $49.50.Current price is: $48.51. Add to cart

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